Publications and communications of Jacques Balthazart

Cornil, C., & Balthazart, J. (09 August 2023). Contribution of birds to the study of sexual differentiation of brain and behavior. Hormones and Behavior, 155, 105410. doi:10.1016/j.yhbeh.2023.105410

Dos Santos, E. B., Ball, G. F., Logue, D. M., Cornil, C., & Balthazart, J. (01 August 2023). Sex differences in song syntax and syllable diversity in testosterone-induced songs of adult male and female canaries. Biology of Sex Differences, 14 (1), 49. doi:10.1186/s13293-023-00533-8

Dos Santos, E. B., Logue, D. M., Ball, G. F., Cornil, C., & Balthazart, J. (August 2023). Does the syrinx, a peripheral structure, constrain effects of sex steroids on behavioral sex reversal in adult canaries? Hormones and Behavior, 154, 105394. doi:10.1016/j.yhbeh.2023.105394

Chiver, I., Dos Santos, E. B., Valle, S., LALLEMAND, F., Cornil, C., Ball, G. F., & Balthazart, J. (02 June 2023). Effects of the depletion of neural progenitors by focal X-ray irradiation on song production and perception in canaries. Scientific Reports, 13 (1), 9010. doi:10.1038/s41598-023-36089-1

Burniat, A., Noël, A., Colige, A., Vanderplasschen, A., de Kerchove d'Exaerde, A., Kupper Cardozo, A., Van Keymeulen, A., Moens, A., Bondue, A., Herpain, A., Marchant, A., Loumaye, A., Beck, B., Van den Heyden, B., Corvilain, B., Lakaye, B., Rogister, B., Malgrange, B., Michiels, C., ... Brunko, E. (2023). Cent scientifiques répliquent à SEA (Suppression des Expériences sur l’Animal vivant) et dénoncent sa désinformation. La Libre Belgique.

Dos Santos, E. B., Ball, G. F., Cornil, C., & Balthazart, J. (18 May 2022). Treatment with androgens plus estrogens cannot reverse sex differences in song and the song control nuclei in adult canaries. Hormones and Behavior, 143, 105197. doi:10.1016/j.yhbeh.2022.105197

Chiver, I., Ball, G. F., LALLEMAND, F., Vandries, L., Plumier, J. P., Cornil, C., & Balthazart, J. (10 May 2022). Photoperiodic control of singing behavior and reproductive physiology in male Fife fancy canaries. Hormones and Behavior, 143, 105194. doi:10.1016/j.yhbeh.2022.105194

Balthazart, J., & McCormick, C. (2022). Statistical rules versus biological reasoning: Some apparent conflicts and how to solve them. Hormones and Behavior, 137, 104938. doi:10.1016/j.yhbeh.2021.104938

Court, L., Balthazart, J., Ball, G. F., & Cornil, C. (2022). Role of aromatase in distinct brain nuclei of the social behavior network in the expression of sexual behavior in male Japanese quail. Journal of Neuroendocrinology, 34, 13127.

Muraille, E., De Kerchove d'Exaerde, A., Drion, P., Vanderplasschen, A., Lambermont, B., Rogister, B., Muylkens, B., Vassart, G., Balthazart, J., Pillot, J., Pastushenko, L., Moutschen, M., LEONARD, P., Naccache, P., Costagliola, S., & Guerin, S. (2021). "Opter pour l'obligation vaccinale est un choix de société". Le Vif. L'Express.

Cornez, G., Valle, S., Barros Dos Santos, E., Chiver, I., Muller, W., Ball, G., Cornil, C., & Balthazart, J. (27 August 2021). Perineuronal nets in HVC and plasticity in male canary song. PLoS ONE, 16 (8), 0252560. doi:10.1371/journal.pone.0252560

Chiver, I., LALLEMAND, F., Cornil, C., Ball, G. F., & Balthazart, J. (29 June 2021). Photoperiodic control of singing behavior and reproductive physiology in male fife fancy canaries [Poster presentation]. Virtual Annual Meeting of the Society of Behavioral Neuroendocrinology.

Barros Dos Santos, E., Ball, G. F., Cornil, C., & Balthazart, J. (29 May 2021). Activational effects of androgens and estrogens can not reverse sex differences in song behavior and the song control nuclei in adult male and female canaries [Poster presentation]. Virtual Annual Meeting of the Society of Behavioral Neuroendocrinology.

Court, L., Balthazart, J., Ball, G. F., & Cornil, C. (26 February 2021). LONG TERM EFFECTS OF THE INHIBITION OF BRAIN AROMATASE ON THE EXPRESSION OF SOCIO-SEXUAL BEHAVIORS IN MALE JAPANESE QUAIL [Paper presentation]. virtual meeting steroids and nervous system.

Ball, G. F., & Balthazart, J. (2021). Evolutionary neuroscience: Are the brains of birds and mammals really so different? Current Biology, 31 (13), 840-R842. doi:10.1016/j.cub.2021.05.004

Balthazart, J. (2021). Membrane-initiated actions of sex steroids and reproductive behavior: A historical account. Molecular and Cellular Endocrinology, 538, 111463. doi:10.1016/j.mce.2021.111463

Court, L., Balthazart, J., Ball, G. F., & Cornil, C. (2021). Effect of chronic intracerebroventricular administration of an aromatase inhibitor on the expression of socio-sexual behaviors in male Japanese quail. Behavioural Brain Research, 410, 113315. doi:10.1016/j.bbr.2021.113315

de Bournonville, M.-P., de Bournonville, C., Vandries, L., Nys, G., Fillet, M., Ball, G., Balthazart, J., & Cornil, C. (2021). Rapid changes in brain estrogen concentration during male sexual behavior are site and stimulus specific. Scientific Reports, 11 (1), 20130. doi:10.1038/s41598-021-99497-1

Diddens, J., Coussement, L., Frankl-Vilches, C., Majumbar, G., Steyaert, S., Ter Haar, S., Galle, J., De Meester, E., De Keulenaer, S., Van Criekinge, W., Cornil, C., Balthazart, J., Van Der Linden, A., De Meyer, T., & Vanden Berghe, W. (2021). DNA Methylation Regulates Transcription Factor-Specific Neurodevelopmental but Not Sexually Dimorphic Gene Expression Dynamics in Zebra Finch Telencephalon. Frontiers in Cell and Developmental Biology, 9, 583555. doi:10.3389/fcell.2021.583555

Lallemand, F., Chiver, I., Barros Dos Santos, E., Ball, G. F., & Balthazart, J. (2021). Repeated assessment of changes in testes size in canaries by X-ray computer tomography. General and Comparative Endocrinology, 310, 113308. doi:10.1016/j.ygcen.2021.113808

Majumdar, G., Yadav, G., Malik, S., Rani, S., Balthazart, J., & Kumar, V. (2021). Hypothalamic plasticity in response to changes in photoperiod and food quality: An adaptation to support pre-migratory fattening in songbirds? European Journal of Neuroscience, 53 (2), 430-448. doi:10.1111/ejn.14994

Court, L., Balthazart, J., Ball, G. F., & Cornil, C. (18 December 2020). EFFECT OF CHRONIC INTRACEREBROVENTRICULAR ADMINISTRATION OF AN AROMATASE INHIBITOR ON THE EXPRESSION OF SOCIO-SEXUAL BEHAVIORS IN MALE JAPANESE QUAIL [Paper presentation]. Journée scientifique virtuelle de la Société de Neuroendocrinologie.

Balthazart, J. (2020). How technical progress reshaped behavioral neuroendocrinology during the last 50 years… and some methodological remarks. Hormones and Behavior, 118. doi:10.1016/j.yhbeh.2020.104682

Cornez, G., Collignon, C., Müller, W., Ball, G., Cornil, C., & Balthazart, J. (2020). Seasonal changes of perineuronal nets and song learning in adult canaries (Serinus canaria)
. Behavioural Brain Research, 380, 112437. doi:10.1016/j.bbr.2019.112437

Cornez, G., Collignon, C., Müller, W., Cornil, C., Ball, G. F., & Balthazart, J. (2020). Development of perineuronal nets during ontogeny correlates with sensorimotor vocal learning in canaries. eNeuro, 7 (2), 0361-19.2020. doi:10.1523/ENEURO.0361-19.2020

Cornez, G., Langro, J., Cornil, C., Balthazart, J., & Lynch, K. (2020). Comparing perineuronal nets and parvalbumin development between black bird species with differences in early developmental song exposure. Journal of Experimental Biology, 223 (Pt1), 212910. doi:10.1242/jeb.212910

Cornez, G., Schevchouk, O., Ghorbanpoor, S., Ball, G., Cornil, C., & Balthazart, J. (2020). Testosterone stimulates perineuronal nets development around parvalbumin cells in the adult canary brain in parallel with song crystallization. Hormones and Behavior, 119, 104643. doi:10.1016/j.yhbeh.2019.104643

Cornil, C., Ball, G. F., & Balthazart, J. (2020). Sexually differentiated and neuroanatomically specific co-expression of aromatase neurons and GAD67 in the male and female quail brain. European Journal of Neuroscience, 52 (3), 2963-2981. doi:10.1111/ejn.14765

Court, L., Vandries, L., Balthazart, J., & Cornil, C. (2020). Key role of estrogen receptor β in the organization of brain and behavior of the Japanese quail. Hormones and Behavior, 125, 104827. doi:10.1016/j.yhbeh.2020.104827

Majumdar, G., Yadav, G., Hamaide, J., Coussement, L., De Meyer, T., Verhoye, M., Vanden Berghe, W., Van Der Linden, A., & Balthazart, J. (2020). Molecular correlates of hypothalamic development in songbird ontogeny in comparison with the telencephalon. FASEB Journal. doi:10.1096/fj.201902477R

Orije, J., Cardon, E., De Groof, G., Hamaide, J., Jonckers, E., Van Massenhoven, S., Darras, V., Balthazart, J., Verhoye, M., & Van der Linden, A. (2020). In vivo online monitoring of testosterone-induced neuroplasticity in a female songbird. Hormones and Behavior, 118. doi:10.1016/j.yhbeh.2019.104639

Balthazart, J., Blanpain, C., Bureau, F., Cani, P., Chariot, A., Drion, P., Engel, V., Hanson, J., de Kerchove d'Exaerde, A., Malgrange, B., Muraille, E., Nguyen, L., Servais, O., Seutin, V., & Tissir, F. (2019). L’expérimentation animale : toujours une nécessité pour la santé animale et humaine. Le Soir.

Ball, G. F., & Balthazart, J. (2019). The neuroendocrine integration of environmental information, the regulation and action of testosterone and the challenge hypothesis. Hormones and Behavior. doi:10.1016/j.yhbeh.2019.104574

Ball, G. F., Madison, F. N., Balthazart, J., & Alward, B. A. (2019). How does testosterone act to regulate a multifaceted adaptive response? Lessons from studies of the avian song system. Journal of Neuroendocrinology. doi:10.1111/jne.12793

Balthazart, J. (2019). New concepts in the study of the sexual differentiation and activation of reproductive behavior, a personal view. Frontiers in Neuroendocrinology, 55. doi:10.1016/j.yfrne.2019.100785

Balthazart, J., & Ball, G. F. (2019). Male sexual behavior and hormones in non-mammalian vertebrates. Encyclopedia of Animal Behavior, 373-387. doi:10.1016/B978-0-12-809633-8.01059-1

de Bournonville, C., Schmit, M., Telle, M., Court, L., Ball, G., Balthazart, J., & Cornil, C. (2019). Effects of a novel partner and sexual satiety on the expression of male sexual behavior and brain aromatase activity in quail. Behavioural Brain Research, 359, 502-515. doi:10.1016/j.bbr.2018.11.026

de Bournonville, M.-P., Vandries, L., Ball, G., Balthazart, J., & Cornil, C. (2019). Site-specific effects of aromatase inhibition on the activation of male sexual behavior in male Japanese quail (Coturnix japonica). Hormones and Behavior, 108, 42-49. doi:10.1016/j.yhbeh.2018.12.015

Liere, P., Cornil, C., de Bournonville, M.-P., Pianos, A., Keller, M., Schumacher, M., & Balthazart, J. (2019). Steroid profiles in quail brain and serum: sex and regional differences and effects of castration with steroid replacement. Journal of Neuroendocrinology, 31 (2), 12681. doi:10.1111/jne.12681

Shevchouk, O. T., Ball, G. F., Cornil, C., & Balthazart, J. (2019). Rapid testosterone-induced growth of the medial preoptic nucleus in male canaries. Physiology and Behavior, 204, 20-26. doi:10.1016/j.physbeh.2019.02.007

Vandries, L., Ghorbanpoor, S., Cornez, G., Shevchouk, O., Ball, G., Cornil, C., & Balthazart, J. (2019). Testosterone or estradiol when implanted in the medial preoptic nucleus trigger short low-amplitude songs in female canaries. eNeuro, 6 (2), 0502-18.2019. doi:10.1523/ENEURO.0502-18.2019

Cornez, G., Collignon, C., Müller, W., Ball, G., Cornil, C., & Balthazart, J. (05 November 2018). Correlation between song learning and perineuronal nets development in song control system nuclei of juvenile canaries [Poster presentation]. Neuroscience 2018, San Diego, United States - California.

Court, L., Fagot, L., Balthazart, J., & Cornil, C. (November 2018). Key Role of Estrogen Receptors Beta (ERβ) in the Sexual Differentiation of Japanese quail [Poster presentation]. Society for Neuroscience, San Diego, California, United States.

Muraille, E., de kerchove, A., Muylkens, B., Malgrange, B., Nicaise, C., Léna, C., Gueydan, C., Andris, F., Bureau, F., Tissir, F., Gofflot, F., Vassart, G., Balthazart, J., Vandeweerd, J.-M., Bakker, J., Duqué, J., Laurence, R., Nguyen, L., Schetgen, M., ... De Tiège, X. (2018). Expérimentation animale: la recette d'une polémique scientifique. La Libre Belgique.

Bakker, J., Balthazart, J., Baron, F., Beguin, Y., Bettendorff, L., Blanpain, C., Bureau, F., Caers, J., Cani, P., Cataldo, D., Cornil, C., Clercx, C., Cloots, R., Colige, A., Daube, G., De Backer, O., de Kerchove d'Exaerde, A., Desmecht, D., Desmet, C., ... Wittamer, V. (2018). La souris, le patient, et le faux expert. Décryptage d'une mystification. Le Vif. L'Express.

Drion, P., Corhay, A., Haubruge, E., Cloots, R., Rentier, B., Balthazart, J., RADERMECKER, R., Bureau, F., DEFRAIGNE, J., Malgrange, B., Nguyen, L., Desmecht, D., Bakker, J., Vanderplasschen, A., Seutin, V., Noël, A., & Foidart, J.-M. (2018). Analyse détaillée de la seconde version de l’avant-projet de Code du bien-être animal wallon. Lecture commentée au 21/03/2018 du Chapitre 8 (Expérimentation animale).

Alward, B., Cornil, C., Balthazart, J., & Ball, G. (2018). The regulation of birdsong by testosterone: Multiple time-scales and multiple sites of action. Hormones and Behavior, 104, 32-40. doi:10.1016/j.yhbeh.2018.04.010

Balthazart, J., Choleris, E., & Remage-Healey, L. (2018). Steroids and the brain: 50 years of research, conceptual shifts and the ascent of non-classical and membrane-initiated actions. Hormones and Behavior, 99, 1-8. doi:10.1016/j.yhbeh.2018.01.002

Cornez, G., Jonckers, E., ter Haar, S., VanderLinden, A., Cornil, C., & Balthazart, J. (2018). Timing of perineuronal nets development in the zebra finch song control system correlates with developmental song learning. Proceedings of the Royal Society. Biological Sciences. doi:10.1098/rspb.2018.0849

Cornil, C., Ball, G., & Balthazart, J. (2018). Differential control of appetitive and consummatory sexual behavior by neuroestrogens in male quail. Hormones and Behavior, 104, 15-31. doi:10.1016/j.yhbeh.2018.02.006

Remage-Healey, L., Choleris, E., & Balthazart, J. (2018). Rapid effects of steroids in the brain: Introduction to special issue. Hormones and Behavior, 104, 1-3. doi:10.1016/j.yhbeh.2018.06.003

Shevchouk, O., Ghorbanpoor, S., Smith, E., Liere, P., Schumacher, M., Ball, G., Cornil, C., & Balthazart, J. (2018). Behavioral evidence for sex steroids hypersensitivity in castrated male canaries. Hormones and Behavior. doi:10.1016/j.yhbeh.2018.06.004

Van der Linden, A., & Balthazart, J. (2018). Rapid changes in auditory processing in songbirds following acute aromatase inhibition as assessed by fMRI. Hormones and Behavior, 104, 63-76. doi:10.1016/j.yhbeh.2018.03.011

Amorim, C., Andris, F., Arckens, L., Arnould, T., Aron, S., Bakker, J., Balligand, M., Balthazart, J., Baron, F., Beck, B., Beguin, Y., Behets, C., Bellefroid, E., Bertrand, L., Bettendorff, L., Bindels, L., Blankert, B., Blanpain, C., Bondue, A., ... Wittamer, V. (2017). L’expérimentation animale reste indispensable (OPINION). La Libre Belgique.

Cornez, G., Jonckers, E., Ter Haar, S., Shevchouk, O., Ghorbanpoor, S., Ball, G., Van der Linden, A., Cornil, C., & Balthazart, J. (13 November 2017). Perinueronal nets development correlates with developmental and adult neuroplasticity related to song learning in the songbird brain [Poster presentation]. Neuroscience 2017, Washington DC, United States.

de Bournonville, M.-P., de Bournonville, C., Ball, G., Balthazart, J., & Cornil, C. (11 November 2017). Rapid changes in preoptic estradiol concentration during male sexual behavior [Poster presentation]. Neuroscience 2017, Washington DC, United States.

Drion, P., Seutin, V., Balthazart, J., RADERMECKER, R., Corhay, A., Haubruge, E., Cloots, R., & Rentier, B. (2017). Avant-projet de décret relatif au Code wallon du Bien-être des animaux Lecture commentée au 04 juillet 2017 des chap. 4, 8, 11.

de Bournonville, M.-P., de Bournonville, C., Ball, G., Balthazart, J., & Cornil, C. (2017). Changes in preoptic estradiol concentrations during male sexual behavior. Frontiers in Neuroscience. doi:10.3389/conf.fnins.2017.94.00014

Cornez, G., Jonckers, E., Schevchouk, O., Ghorbanpoor, S., Ball, G., Van Der Linden, A., Cornil, C., & Balthazart, J. (22 May 2017). Perineuronal nets and song learning-related neuroplasticity in the songbird brain [Paper presentation]. 12th National Meeting of the Belgian Society for Neuroscience, Ghent, Belgium.

Cornez, G., Madison, F. N., Van der Linden, A., Cornil, C., Yoder, K. M., Ball, G. F., & Balthazart, J. (07 February 2017). Perineuronal nets and vocal plasticity in songbirds: a proposed mechanism to explain the difference between closed-ended and open-ended learning. Developmental Neurobiology, 77 (8), 975-994. doi:10.1002/dneu.22485

Alward, B. A., Balthazart, J., & Ball, G. F. (2017). Dissociable effects on birdsong of androgen signaling in cortex-like brain regions of canaries. Journal of Neuroscience, 37 (36), 8612-8624. doi:10.1523/JNEUROSCI.3371-16.2017

Alward, B. A., Rouse, M. L., Balthazart, J., & Ball, G. F. (2017). Testosterone regulates birdsong in an anatomically specific manner. Animal Behaviour, 124, 291-298. doi:10.1016/j.anbehav.2016.09.013

Ball, G. F., Alward, B. A., & Balthazart, J. (2017). Seasonal changes in brain and behavior. In V. Kumar, Biological Timekeeping: Clocks, Rhythms and Behaviour (pp. 571-588). Springer (India) Private Ltd. doi:10.1007/978-81-322-3688-7_27

Ball, G. F., & Balthazart, J. (2017). Neuroendocrine Regulation of Reproductive Behavior in Birds. In D. W. Pfaff & M. Joëls (Eds.), Hormones, Brain and Behavior (3rd edition, pp. 217-254). Elsevier. doi:10.1016/B978-0-12-803592-4.00029-8

Balthazart, J. (2017). Steroid metabolism in the brain: From bird watching to molecular biology, a personal journey. Hormones and Behavior, 93, 137-150. doi:10.1016/j.yhbeh.2017.05.017

Balthazart, J. (2017). Fraternal birth order effect on sexual orientation explained. Proceedings of the National Academy of Sciences of the United States of America, 115 (2), 234-236. doi:10.1073/pnas.1719534115

Balthazart, J., & Court, L. (2017). Human Sexual Orientation: The Importance of Evidentiary Convergence. Archives of Sexual Behavior, 46 (6), 1595-1600. doi:10.1007/s10508-017-0997-2

de Bournonville, C., Ball, G. F., Balthazart, J., & Cornil, C. (2017). Rapid changes in brain aromatase activity in the female quail brain following expression of sexual behaviour. Journal of Neuroendocrinology, 29 (11). doi:10.1111/jne.12542

de Bournonville, C., Smolders, I., Van Eeckhaut, A., Ball, G., Balthazart, J., & Cornil, C. (2017). Glutamate released in the preoptic area during sexual behavior controls local estrogen synthesis in male quail. Psychoneuroendocrinology. doi:10.1016/j.psyneuen.2017.02.002

de groof, G., Balthazart, J., Cornil, C., & Van der Linden, A. (2017). Topography and Lateralized Effect of Acute Aromatase Inhibition on Auditory Processing in a Seasonal Songbird. Journal of Neuroscience, 37 (16), 4243-4254. doi:10.1523/JNEUROSCI.1961-16.2017

Raymaekers, S. R., Verbeure, W., Ter Haar, S. M., Cornil, C., Balthazart, J., & Darras, V. M. (2017). A dynamic, sex-specific expression pattern of genes regulating thyroid hormone action in the developing zebra finch song control system. General and Comparative Endocrinology, 240, 91-102. doi:10.1016/j.ygcen.2016.09.016

Shevchouk, O., Ball, G. F., Cornil, C., & Balthazart, J. (2017). Studies of HVC Plasticity in Adult Canaries Reveal Social Effects and Sex Differences as Well as Limitations of Multiple Markers Available to Assess Adult Neurogenesis. PLoS ONE, 12 (1), 0170938. doi:10.1371/journal.pone.0170938

Shevchouk, O., Ghorbanpoor, S., Ball, G. F., Cornil, C., & Balthazart, J. (2017). Testosterone-induced neuroendocrine changes in the medial preoptic area precede song activation and plasticity in song control nuclei of female canaries. European Journal of Neuroscience, 45 (7), 886-900. doi:10.1111/ejn.13530

de Bournonville, C., de Bournonville, M.-P., Aourz, N., Van Eeckhaut, A., Smolders, I., Ball, G. F., Balthazart, J., & Cornil, C. (November 2016). Preoptic glutamate and estradiol release during male sexual behavior [Poster presentation]. Meeting of the Society for Neuroscience, San Diego, United States.

Cornez, G., Shevchouk, O., Madison, F., Ball, G., Van der Linden, A., Cornil, C., & Balthazart, J. (14 October 2016). Seasonal changes and steroid control of perineuronal nets in the song control system [Paper presentation]. 11th International Symposium on Avian Endocrinology.

Alward, B. A., de Bournonville, C., Chan, T. T., Balthazart, J., Cornil, C., & Ball, G. F. (2016). Aromatase inhibition rapidly affects in a reversible manner distinct features of birdsong. Scientific Reports, 32344. doi:10.1038/srep32344

Alward, B. A., Madison, F. N., Parker, S. E., Balthazart, J., & Ball, G. F. (2016). Pleiotropic Control by Testosterone of a Learned Vocal Behavior and Its Underlying Neuroplasticity(1,2,3). eNeuro, 3 (1). doi:10.1523/ENEURO.0145-15.2016

Balthazart, J. (2016). Sex differences in partner preferences in humans and animals. Philosophical Transactions. Biological Sciences, 371 (1688). doi:10.1098/rstb.2015.0118

Balthazart, J., & Ball, G. F. (2016). Endocrine and social regulation of adult neurogenesis in songbirds. Frontiers in Neuroendocrinology. doi:10.1016/j.yfrne.2016.03.003

de Bournonville, C., Balthazart, J., Ball, G., & Cornil, C. (2016). Non-ovarian aromatization is required to activate female sexual motivation in testosterone-treated ovariectomized quail. Hormones and Behavior, 83, 45-59. doi:10.1016/j.yhbeh.2016.05.011

Seredynski, A., Balthazart, J., Ball, G. F., & Cornil, C. (September 2015). Estrogen Receptor β Activation Rapidly Modulates Male Sexual Motivation through the Transactivation of Metabotropic Glutamate Receptor 1a. Journal of Neuroscience, 35 (38), 13110-23. doi:10.1523/JNEUROSCI.2332-14.2015

Shevchouk, O. T., Ball, G. F., Cornil, C., & Balthazart, J. (13 June 2015). Multiple markers reveal different features of social effects and sex differences in HVC neurogenesis [Poster presentation]. Society for Behavioural Neuroendocrinology 18th Annual Meeting, Pacific Grove, United States.

Ball, G. F., & Balthazart, J. (2015). Seasonal changes in the neuroendocrine system: Introduction to the special issue. Frontiers in Neuroendocrinology, 37, 1-2. doi:10.1016/j.yfrne.2014.11.006

Balthazart, J., & Young, L. J. (2015). Mate selection, Sexual orientation and Pair bonding. In T. M. Plant & A. J. Zelenik (Eds.), Knobil and Neill's Physiology of Reproduction (pp. 2157-2210). Amsterdam, Netherlands: Elsevier. doi:10.1016/B978-0-12-397175-3.00048-X

Charlier, T. D., Cornil, C., Patte-Mensah, C., Meyer, L., Mensah-Nyagan, A. G., & Balthazart, J. (2015). Local modulation of steroid action: rapid control of enzymatic activity. Frontiers in Neuroscience, 9, 83. doi:10.3389/fnins.2015.00083

Cornez, G., Ter Haar, S. M., Cornil, C., & Balthazart, J. (2015). Anatomically discrete sex differences in neuroplasticity in zebra finches as reflected by perineuronal nets. PLoS ONE, 10 (4), 0123199. doi:10.1371/journal.pone.0123199

Cornil, C., Ball, G. F., & Balthazart, J. (2015). The dual action of estrogen hypothesis. Trends in Neurosciences, 38 (7), 408-16. doi:10.1016/j.tins.2015.05.004

de Bournonville, C., Ball, G. F., Cornil, C., & Balthazart, J. (2015). Non-ovarian aromatization regulates sexual motivation and receptivity in female quail [Poster presentation]. Society for Neuroscience.

Madison, F. N., Rouse, M. L. J., Balthazart, J., & Ball, G. F. (2015). Reversing song behavior phenotype: Testosterone driven induction of singing and measures of song quality in adult male and female canaries (Serinus canaria). General and Comparative Endocrinology, 215, 61-75. doi:10.1016/j.ygcen.2014.09.008

Monbureau, M., Barker, J. M., Leboucher, G., & Balthazart, J. (2015). Male song quality modulates c-Fos expression in the auditory forebrain of the female canary. Physiology and Behavior, 147, 7-15. doi:10.1016/j.physbeh.2015.04.005

de Bournonville, C., Aourz, N., Van Eeckhaut, A., Smolders, I., Ball, G. F., Balthazart, J., & Cornil, C. (17 November 2014). Glutamate controls brain estrogen synthesis during sexual interactions [Poster presentation]. Society for Neuroscience, Washington DC, United States.

Cornil, C., Schmit, M., de Bournonville, C., Ceuleers, M.-A., Daulne, C., & Balthazart, J. (23 August 2014). Age-dependent and age-independent effects of testosterone in male quail. General and Comparative Endocrinology, 208C, 64-72. doi:10.1016/j.ygcen.2014.08.007

Cornez, G., Ter Haar, S., Cornil, C., & Balthazart, J. (25 June 2014). Sex differences in perineuronal nets and parvalbumin expression in the zebra finch (taeniopygia guttata) song system [Poster presentation]. 8th International conference on hormones, brain and behavior, Liège, Belgium.

Shevchouk, O. T., Cornil, C., & Balthazart, J. (25 June 2014). INFLUENCE OF SOCIAL CONTEXT ON SINGING BEHAVIOUR AND SONG SYSTEM PLASTICITY [Poster presentation]. 8th International Conference on Hormones, Brain and Behavior, Liege, Belgium.

Alward, B. A., Mayes, W. D., Peng, K., Stevenson, T. J., Balthazart, J., & Ball, G. F. (2014). Dissociable effects of social context on song and doublecortin immunoreactivity in male canaries. European Journal of Neuroscience, 40 (6), 2941-7. doi:10.1111/ejn.12658

Ball, G. F., Balthazart, J., & McCarthy, M. M. (2014). Is it useful to view the brain as a secondary sexual characteristic? Neuroscience and Biobehavioral Reviews, 46 Pt 4, 628-38. doi:10.1016/j.neubiorev.2014.08.009

Balthazart, J., & Ball, G. F. (2014). Endogenous versus exogenous markers of adult neurogenesis in canaries and other birds: advantages and disadvantages. Journal of Comparative Neurology, 522 (18), 4100-20. doi:10.1002/cne.23661

Balthazart, J., & Ball, G. F. (2014). Doublecortin is a highly valuable endogenous marker of adult neurogenesis in canaries. Commentary on Vellema M et al. (2014): Evaluating the predictive value of doublecortin as a marker for adult neurogenesis in canaries (Serinus canaria) . J Comparative Neurol 522:1299-1315. Brain, Behavior and Evolution, 84 (1), 1-4. doi:10.1159/000362917

Balthazart, J., & Levine, J. E. (2014). Endocrine disruptors: A relevant issue for neuroendocrinology also! Frontiers in Neuroendocrinology, 35 (1), 1. doi:10.1016/j.yfrne.2013.09.002

de Bournonville, C., Aourz, N., van Eeckhaut, A., Smolders, I., Ball, G. F., Balthazart, J., & Cornil, C. (2014). The sexual behavior induced-inhibition of aromatase activity in the preoptic nucleus is mediated by glutamate release [Poster presentation]. 8th International Conference on Hormones, Brain and Behavior.

de Bournonville, C., Ball, G. F., Balthazart, J., & Cornil, C. (2014). Involvement of estrogens in the control of female sexual motivation and receptivity [Poster presentation]. GIGA-day meeting.

Dickens, M. J., de Bournonville, C., Balthazart, J., & Cornil, C. (2014). Relationships between rapid changes in local aromatase activity and estradiol concentrations in male and female quail brain. Hormones and Behavior, 65 (2), 154-164. doi:10.1016/j.yhbeh.2013.12.011

Gore, A. C., Balthazart, J., Bikle, D., Carpenter, D. O., Crews, D., Czernichow, P., Diamanti-Kandarakis, E., Dores, R. M., Grattan, D., Hof, P. R., Hollenberg, A. N., Lange, C., Lee, A. V., Levine, J. E., Millar, R. P., Nelson, R. J., Porta, M., Poth, M., Power, D. M., ... Watson, C. S. (2014). Reprint of: Policy decisions on endocrine disruptors should be based on science across disciplines: A response to Dietrich et al. Hormones and Behavior. doi:10.1016/j.yhbeh.2013.09.001

Gore, A. C., Balthazart, J., Bikle, D., Carpenter, D. O., Crews, D., Czernichow, P., Diamanti-Kandarakis, E., Dores, R. M., Grattan, D., Hof, P. R., Hollenberg, A. N., Lange, C., Lee, A. V., Levine, J. E., Millar, R. P., Nelson, R. J., Porta, M., Poth, M., Power, D. M., ... Watson, C. S. (2014). Policy decisions on endocrine disruptors should be based on science across disciplines: A response to Dietrich, et al. Frontiers in Neuroendocrinology, 35 (1), 2-5. doi:10.1016/j.yfrne.2013.09.003

Iyilikci, O., Baxter, S., Balthazart, J., & Ball, G. F. (2014). Fos expression in monoaminergic cell groups in response to sociosexual interactions in male and female Japanese quail. Behavioral Neuroscience, 128 (1), 48-60. doi:10.1037/a0035427

de Bournonville, C., Ball, G. F., Balthazart, J., & Cornil, C. (10 November 2013). Estrogens control female sexual motivation and receptivity in quail [Poster presentation]. Society for Neuroscience.

Seredynski, A., Ball, G. F., Kelly, M. J., Balthazart, J., & Cornil, C. (13 September 2013). Activation of estrogen receptor beta (ERb) by estrogens rapidly regulates male sexual motivation [Paper presentation]. 17th Euron PhD student days, Liège, Belgium.

Niessen, N.-A., Balthazart, J., Ball, G., & Charlier, T. (2013). c-fos down-regulation inhibits testosterone-dependent male sexual behavior and the associated learning. European Journal of Neuroscience. doi:10.1111/ejn.12321

Charlier, T., Seredynski, A., Niessen, N.-A., & Balthazart, J. (2013). Modulation of testosterone-dependent male sexual behavior and the associated neuroplasticity. General and Comparative Endocrinology. doi:10.1016/j.ygcen.2013.03.003

Seredynski, A., Balthazart, J., Christophe, V., Ball, G., & Cornil, C. (02 January 2013). Neuroestrogens Rapidly Regulate Sexual Motivation But Not Performance. Journal of Neuroscience, 33 (1), 164-174. doi:10.1523/JNEUROSCI.2557-12.2013

Alward, B. A., Balthazart, J., & Ball, G. F. (2013). Differential effects of global versus local testosterone on singing behavior and its underlying neural substrate. Proceedings of the National Academy of Sciences of the United States of America, 110 (48), 19573-8. doi:10.1073/pnas.1311371110

Balthazart, J. (2013). Sex steroid modulation of sensory processing. Frontiers in Neuroendocrinology, 34 (4), 253-4. doi:10.1016/j.yfrne.2013.08.003

Balthazart, J., Corbisier de Méaultsart, C., Ball, G., & Cornil, C. (2013). Distinct Neuroendocrine mechanisms control neural activity underlying sex differences in sexual motivation and performance. European Journal of Neuroscience, 37 (5), 735-42. doi:10.1111/ejn.12102

Barker, J. M., Ball, G. F., & Balthazart, J. (2013). Anatomically discrete sex differences and enhancement by testosterone of cell proliferation in the telencephalic ventricle zone of the adult canary brain. Journal of Chemical Neuroanatomy. doi:10.1016/j.jchemneu.2013.10.005

Barker, J. M., Charlier, T. D., Ball, G. F., & Balthazart, J. (2013). A new method for in vitro detection of bromodeoxyuridine in serum: a proof of concept in a songbird species, the canary. PLoS ONE, 8 (5), 63692. doi:10.1371/journal.pone.0063692

Charlier, T., Cornil, C., & Balthazart, J. (2013). RAPID MODULATION OF AROMATASE ACTIVITY IN THE VERTEBRATE BRAIN. Journal of Experimental Neuroscience.

Cornil, C., Seredynski, A., de Bournonville, C., Dickens, M., Charlier, T., Ball, G. F., & Balthazart, J. (2013). Rapid control of reproductive behaviour by locally synthesised oestrogens: focus on aromatase. Journal of Neuroendocrinology, 25 (11), 1070-8. doi:10.1111/jne.12062

de Bournonville, C., Ball, G. F., Balthazart, J., & Cornil, C. (2013). Female sexual motivation is controlled by estrogens in quail [Poster presentation]. 10th Meeting of the Belgian Society for Neuroscience.

de Bournonville, C., Ball, G. F., Balthazart, J., & Cornil, C. (2013). Female sexual and social behaviors are controlled by estrogens [Poster presentation]. EURON PhD-days.

de Bournonville, C., Dickens, M. J., Ball, G. F., Balthazart, J., & Cornil, C. (2013). Dynamic changes in brain aromatase activity following sexual interactions in males: Where, when and why? Psychoneuroendocrinology, 38 (6), 789-99. doi:10.1016/j.psyneuen.2012.09.001

de Bournonville, C., Schmit, M., Ball, G. F., Balthazart, J., & Cornil, C. (2013). Local estradiol synthesis in the brain and its implication in male and female sexual motivation of Japanese quail. Trabajos del Instituto Cajal.

de Bournonville, C., Schmit, M., Ball, G. F., Balthazart, J., & Cornil, C. (2013). Are neuroestrogens implicated in sexual motivation? Development of experimental protocols [Poster presentation]. GIGA-day meeting.

Dickens, M., Cornil, C., & Balthazart, J. (2013). Neurochemical control of rapid stress-induced changes in brain aromatase activity. Journal of Neuroendocrinology, 25 (4), 329-39. doi:10.1111/jne.12012

Gore, A. C., Balthazart, J., Bikle, D., Carpenter, D. O., Crews, D., Czernichow, P., Diamanti-Kandarakis, E., Dores, R. M., Grattan, D., Hof, P. R., Hollenberg, A. N., Lange, C., Lee, A. V., Levine, J. E., Millar, R. P., Nelson, R. J., Porta, M., Poth, M., Power, D. M., ... Watson, C. S. (2013). Policy decisions on endocrine disruptors should be based on science across disciplines: a response to Dietrich et al. Andrology, 1 (6), 802-5. doi:10.1111/j.2047-2927.2013.00151.x

Mouriec, K., & Balthazart, J. (2013). Peripubertal proliferation of progenitor cells in the preoptic area of Japanese quail (Coturnix japonica). Brain Research, 1516, 20-32. doi:10.1016/j.brainres.2013.04.034

Wild, J. M., & Balthazart, J. (2013). Neural pathways mediating control of reproductive behavior in male Japanese quail. Journal of Comparative Neurology, 521 (9), 2067-87. doi:10.1002/cne.23275

de Bournonville, C., Dickens, M. J., Ball, G. F., Balthazart, J., & Cornil, C. (04 May 2012). Dynamic and region specific changes in estrogen production induced by reproductive stimuli [Poster presentation]. GIGA-day meeting.

Bardet, S. M., Mouriec, K., & Balthazart, J. (2012). Birth of neural progenitors during the embryonic period of sexual differentiation in the Japanese quail brain. Journal of Comparative Neurology, 520 (18), 4226-53. doi:10.1002/cne.23153

Charlier, T., Cornil, C., Ball, G., & Balthazart, J. (2012). Cellular mechanisms controlling rapid changes in brain aromatase activity. In J. Balthazart & G. Ball (Eds.), Brain aromatase, estrogens and behavior. Oxford University press.

Cornil, C., Ball, G. F., & Balthazart, J. (2012). Rapid control of male typical behaviors by brain-derived estrogens. Frontiers in Neuroendocrinology. doi:10.1016/j.yfrne.2012.08.003

Cornil, C., Dickens, M., BAll, G., & Balthazart, J. (2012). Rapid modulation of aromatase activity by social and environmental stimuli in quail. In J. Balthazart & G. Ball (Eds.), Brain aromatase, estrogens and behavior. Oxford University Press.

de Bournonville, C., Dickens, M. J., Ball, G. F., Balthazart, J., & Cornil, C. (2012). Region- and context-specific rapid changes in brain aromatase activity following social interactions [Poster presentation]. Society for Behavioral Neuroendocrinology 16th Annual Meeting.

Dickens, M. J., Balthazart, J., & Cornil, C. (2012). Brain aromatase and circulating corticosterone are rapidly regulated by combined acute stress and sexual interaction in a sex specific manner. Journal of Neuroendocrinology, 24 (10), 1322-34. doi:10.1111/j.1365-2826.2012.02340.x

Panzica, G. C., Balthazart, J., Frye, C. A., Garcia-Segura, L. M., Herbison, A. E., Mensah-Nyagan, A. G., McCarthy, M. M., & Melcangi, R. C. (2012). Milestones on Steroids and the Nervous System: 10 Years of Basic and Translational Research. Journal of Neuroendocrinology, 24 (1), 1-15. doi:10.1111/j.1365-2826.2011.02265.x

Pawluski, J., Rayen, I., Niessen, N.-A., Kristensen, S., van Donkelaar, E. L., Balthazart, J., Steinbusch, H. W. M., & Charlier, T. (2012). Developmental fluoxetine exposure differentially alters central and peripheral measures of the HPA system in adolescent male and female offspring. Neuroscience, 220, 131-41. doi:10.1016/j.neuroscience.2012.06.034

Balthazart, J., Charlier, T., Cornil, C., Dickens, M., Harada, N., Konkle, A., Voigt, C., & Ball, G. (September 2011). Sex differences in brain aromatase activity: genomic and non-genomic controls. Frontiers in Endocrinology, 2, 34. doi:10.3389/fendo.2011.00034

de Bournonville, C., Ball, G. F., Balthazart, J., & Cornil, C. (31 January 2011). Male sexual behavior rapidly modulates the synthesis of estrogens in discrete preoptic and hypothalamic regions [Poster presentation]. Giga-day.

Ball, G. F., & Balthazart, J. (2011). Sexual arousal, is it for mammals only? Hormones and Behavior, 59 (5), 645-55. doi:10.1016/j.yhbeh.2010.11.001

Balthazart, J. (2011). Minireview: Hormones and Human Sexual Orientation. Endocrinology. doi:10.1210/en.2011-0277

Black, M. P., Balthazart, J., Baillien, M., & Grober, M. S. (2011). Rapid increase in aggressive behavior precedes the decrease in brain aromatase activity during socially mediated sex change in Lythrypnus dalli. General and Comparative Endocrinology, 170 (1), 119-24. doi:10.1016/j.ygcen.2010.09.019

Charlier, T., Ball, G., & Balthazart, J. (2011). Rapid regulation by glutamate of aromatase activity [Poster presentation]. Annual Meeting of the Society for Neuroscience, Whashington DC, United States.

Charlier, T., Harada, N., Balthazart, J., & Cornil, C. (2011). Human and Quail Aromatase Activity Is Rapidly and Reversibly Inhibited by Phosphorylating Conditions. Endocrinology, 152 (11), 4199-210. doi:10.1210/en.2011-0119

Charlier, T., Lieblich, S. E., Galea, L. A., & Balthazart, J. (2011). The steroid receptor coactivators SRC-1 and CARM1 expression is modulated during different phases of neurogenesis in the dentate gyrus of adult female rats [Poster presentation]. GIGA-Day.

Cornil, C., Ball, G. F., Balthazart, J., & Charlier, T. (2011). Organizing effects of sex steroids on brain aromatase activity in quail. PLoS ONE, 6 (4), 19196. doi:10.1371/journal.pone.0019196

de Bournonville, C., Ball, G. F., Balthazart, J., & Cornil, C. (2011). Rapid changes of aromatase activity in discrete brain regions following social interactions. Trabajos del Instituto Cajal, LXXXIII, 147-148.

Dickens, M. J., Cornil, C., & Balthazart, J. (2011). Acute Stress Differentially Affects Aromatase Activity in Specific Brain Nuclei of Adult Male and Female Quail. Endocrinology, 52 (11), 4242-51. doi:10.1210/en.2011-1341

Konkle, A. T. M., & Balthazart, J. (2011). Sex differences in the rapid control of aromatase activity in the quail preoptic area. Journal of Neuroendocrinology, 23 (5), 424-34. doi:10.1111/j.1365-2826.2011.02121.x

Niessen, N.-A., Balthazart, J., Ball, G., & Charlier, T. (2011). Steroid receptor coactivator 2 modulates steroid-dependent male sexual behavior and neuroplasticity in Japanese quail (Coturnix japonica). Journal of Neurochemistry, 119, 579-593. doi:10.1111/j.1471-4159.2011.07438.x

Niessen, N.-A., Balthazart, J., & Charlier, T. (2011). Steroid receptor coactivator 2 (SRC-2) mediates steroid-dependent male sexual behavior and neuroplasticity in Japanese quail (Coturnix japonica) [Poster presentation]. GIGA-Day.

Niessen, N.-A., Rayen, I., Steinbusch, H., Balthazart, J., Pawluski, J., & Charlier, T. (2011). Postnatal maternal fluoxetine exposure affects glucocorticoid responsiveness in adolescent offspring hippocampus in a model of maternal depression [Poster presentation]. Euron PhD Days, Bonn, Germany.

Poirier, C., Boumans, T., Vellema, M., De Groof, G., Charlier, T., Verhoye, M., Van der Linden, A., & Balthazart, J. (2011). Own song selectivity in the songbird auditory pathway: Suppression by norepinephrine. PLoS ONE, 6 (5), 20131. doi:10.1371/journal.pone.0020131

Rayen, I., Charlier, T., Kristensen, S., Balthazart, J., Steinbusch, H., & Pawluski, J. (2011). Maternal fluoxetine exposure, regardless of prenatal stress, affects physiological systems involved in sexual development of offspring [Paper presentation]. Euron PhD Days, Bonn, Germany.

Roselli, C., & Balthazart, J. (2011). Sexual differentiation of sexual behavior and its orientation. Frontiers in Neuroendocrinology, 32 (2), 109. doi:10.1016/j.yfrne.2011.03.002

Seredynski, A., Ball, G. F., Balthazart, J., & Charlier, T. (2011). Specific activation of estrogen recepto alpha and beta enhances male sexual behavior and neuroplasticity in male Japanese quail. PLoS ONE, 6 (4), 18627. doi:10.1371/journal.pone.0018627

Seredynski, A., Balthazart, J., & Charlier, T. (2011). Role of estrogen receptors alpha and beta on sexual behavior and neuroplasticity in male Japanese quail [Poster presentation]. GIGA-Day.

Taziaux, M., Keller, M., Balthazart, J., & Bakker, J. (2011). Rapid activation of phosphorylated mitogen-activated protein kinase after sexual stimulation in male mice. Neuroreport, 22 (6), 294-8. doi:10.1097/WNR.0b013e3283460f35

Voigt, C., Ball, G. F., & Balthazart, J. (2011). Effects of sex steroids on aromatase mRNA expression in the male and female quail brain. General and Comparative Endocrinology, 170 (1), 180-8. doi:10.1016/j.ygcen.2010.10.003

Yamamura, T., Barker, J., Balthazart, J., & Ball, G. F. (2011). Androgens and estrogens synergistically regulate the expression of doublecortin and enhance neuronal recruitment in the song system of adult female canaries. Journal of Neuroscience. doi:10.1523/JNEUROSCI.0088-11.2011

Barker, J., Monbureau, M., Leboucher, G., & Balthazart, J. (17 November 2010). Auditory forebrain activation in the female canary is modulated by male song quality [Poster presentation]. 40th Annual Meeting of the Society for Neuroscience, San Diego, United States.

Mouriec, K., Bardet, S., & Balthazart, J. (November 2010). Sexually differentiated cell proliferation in the medial preoptic nucleus of Japanese quail [Poster presentation]. 40th annual meeting of the Society for Neurosciences, San Diego, United States.

Barker, J., Yamamura, T., Balthazart, J., & Ball, G. F. (May 2010). Testosterone increases cell turnover in song nucleus HVC and increases cell recruitment into Area X of adult female canaries [Poster presentation]. Adult Neurogenesis: Structure and Function Conference, Frauenchiemsee, Germany.

Mouriec, K., Bardet, S., & Balthazart, J. (May 2010). Ontogeny of sex differences in steroid-sensitive regions in the quail brain (Coturnix Japonica) [Poster presentation]. symposium on Adult neurogenesis: structure and function, Fauenchiemsee, Germany.

Ball, G. F., & Balthazart, J. (2010). Seasonal and hormonal modulation of neurotransmitter systems in the song control circuit. Journal of Chemical Neuroanatomy, 39 (2), 82-95. doi:10.1016/j.jchemneu.2009.08.005

Ball, G. F., & Balthazart, J. (2010). Japanese quail as a model system for studying the neuroendocrine control of reproductive and social behaviors. ILAR Journal, 51 (4), 310-25. doi:10.1093/ilar.51.4.310

Ball, G. F., & Balthazart, J. (2010). Introduction to the chemical neuroanatomy of birdsong. Journal of Chemical Neuroanatomy, 39 (2), 67-71. doi:10.1016/j.jchemneu.2009.10.003

Balthazart, J. (2010). Behavioral implications of rapid changes in steroid production action in the brain [Commentary on Pradhan D.S., Newman A.E.M., Wacker D.W., Wingfield J.C., Schlinger B.A. and Soma K.K.: Aggressive interactions rapidly increase androgen synthesis in the brain during the non-breeding season. Hormones and Behavior, this issue]. Hormones and Behavior, 57, 375-378. doi:10.1016/j.yhbeh.2010.02.003

Balthazart, J., Charlier, T., Barker, J., Yamamura, T., & Ball, G. (2010). Sex steroid-induced neuroplasticity and behavioral activation in birds. European Journal of Neuroscience, 32, 2116-2132. doi:10.1111/j.1460-9568.2010.07518.x

Balthazart, J., Cornil, C., Charlier, T., & Ball, G. F. (2010). Brain aromatase activity and male sexual behavior. Annales d'Endocrinologie, 71, 332-333.

Bardet, S. M., Cornil, C., & Balthazart, J. (2010). Testosterone recruits new aromatase-imunoreactive cells in neonatal quail brain. Neuroreport, 21 (5), 376-80. doi:10.1097/WNR.0b013e3283378edf

Caro, S. P., & Balthazart, J. (2010). Pheromones in birds: myth or reality? Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural and Behavioral Physiology, 196 (10), 751-66. doi:10.1007/s00359-010-0534-4

Charlier, T., Cornil, C., Ball, G., & Balthazart, J. (2010). Diversity of mechanisms involved in aromatase regulation and estrogen action in the brain. Biochimica et Biophysica Acta - General Subjects. doi:10.1016/j.bbagen.2009.12.010

Charlier, T., Lieblich, S. E., Balthazart, J., & Galea, L. A. (2010). Expression of the steroid receptor coactivators SRC-1 and CARM1 is modulated during different phases of neurogenesis in the dentate gyrus of adult female rats [Poster presentation]. Annual Meeting of the Society for Neuroscience.

Charlier, T., Seredynski, A., & Balthazart, J. (2010). Sex difference and steroid control of corticosteroid-binding globulin concentration in Japanese quail [Poster presentation]. Annual Meeting of the Society for Behavioral Neuroendocrinology.

Dickens, M., Charlier, T., Cornil, C., Ball, G., & Balthazart, J. (2010). Rapid regulation of aromatase activity and the role of stress [Poster presentation]. Annual Meeting of the Society for Neuroscience, San Diego, United States.

Niessen, N.-A., Balthazart, J., Ball, G. F., & Charlier, T. (2010). Steroid receptor coactivator 2 (SRC-2) mediates steroid-dependent male sexual behavior and neuroplasticity in Japanese quail (Coturnix japonica) [Poster presentation]. Annual Meeting of the Society for Neuroscience.

Niessen, N.-A., Balthazart, J., Ball, G. F., & Charlier, T. (2010). Neuroplasticity and steroid-dependent male sexual behavior modulated by steroid receptor coactivator 2 (SRC2) in Japanese quail (Coturnix japonica) [Poster presentation]. Euron PhD Days.

Poirier, C., Boumans, T., Vellema, M., De Groof, G., Charlier, T., Verhoye, M., Balthazart, J., & Van der Linden, A. (2010). Own song selectivity in the songbird auditory pathway: suppression by norepinephrine.

Seredynski, A., Charlier, T., & Balthazart, J. (2010). Effects of estrogen receptors alpha and beta agonists on the sexual behavior and the neuroplasticity in male Japanese quail [Poster presentation]. Euron PhD Days.

Balthazart, J., Cornil, C., Charlier, T., Taziaux, M., & Ball, G. F. (2009). Estradiol, a key endocrine signal in the sexual differentiation and activation of reproductive behavior in quail. Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology, 311 (5), 323-45. doi:10.1002/jez.464

Balthazart, J., Taziaux, M., Holloway, K., Ball, G. F., & Cornil, C. (2009). Behavioral effects of brain-derived estrogens in birds. Annals of the New York Academy of Sciences, 1163, 31-48. doi:10.1111/j.1749-6632.2008.03637.x

Charlier, T., Harada, N., Ball, G. F., & Balthazart, J. (2009). The fast regulation of aromatase activity by phosphorylations is species and tissue-independent [Poster presentation]. Annual Meeting of the Society for Behavioral Neuroendocrinology, Michigan State University, East Lansing, United States.

Charlier, T., Harada, N., Ball, G. F., & Balthazart, J. (2009). Species and tissue-independent rapid regulation of aromatase activity by phosphorylations. Acta Neurologica Belgica, 32.

Garcia-Segura, L. M., & Balthazart, J. (2009). Steroids and neuroprotection: New advances. Frontiers in Neuroendocrinology, 30 (2). doi:10.1016/j.yfrne.2009.04.006

Kleitz, H. K., Cornil, C., Balthazart, J., & Ball, G. F. (2009). Species Differences in the Relative Densities of D1- and D2-Like Dopamine Receptor Subtypes in the Japanese Quail and Rats: An in vitro Quantitative Receptor Autoradiography Study. Brain, Behavior and Evolution, 73 (2), 81-90. doi:10.1159/000209864

Niessen, N.-A., Charlier, T., & Balthazart, J. (2009). Cloning of the steroid receptor coactivator SRC-2 and distribution in the brain of Japanese quail [Poster presentation]. 8th Bi-Annual meeting of the Belgian Society for Neuroscience, Liege, Belgium.

Noirot, I., Adler, H. J., Cornil, C., Harada, N., Dooling, R. J., Balthazart, J., & Ball, G. F. (2009). Presence of aromatase and estrogen receptor alpha in the inner ear of zebra finches. Hearing Research. doi:10.1016/j.heares.2009.04.012

Poirier, C., Boumans, T., Verhoye, M., Balthazart, J., & Van der Linden, A. (2009). Own-song recognition in the songbird auditory pathway: selectivity and lateralization. Journal of Neuroscience, 29 (7), 2252-8. doi:10.1523/JNEUROSCI.4650-08.2009

Van der Linden, A., Van Meir, V., Boumans, T., Poirier, C., & Balthazart, J. (2009). MRI in small brains displaying extensive plasticity. Trends in Neurosciences. doi:10.1016/j.tins.2009.01.005

Van Hout, A. J.-M., Eens, M., Balthazart, J., & Pinxten, R. (2009). Complex modulation of singing behavior by testosterone in an open-ended learner, the European Starling. Hormones and Behavior, 56 (5), 564-73. doi:10.1016/j.yhbeh.2009.09.010

Voigt, C., Ball, G. F., & Balthazart, J. (2009). Sex differences in the expression of sex steroid receptor mRNA in the quail brain. Journal of Neuroendocrinology. doi:10.1111/j.1365-2826.2009.01929.x

Balthazart, J., Boseret, G., Konkle, A. T., Hurley, L. L., & Ball, G. F. (February 2008). Doublecortin as a Marker of Adult Neuroplasticity in the Canary Song Control Nucleus Hvc. European Journal of Neuroscience, 27 (4), 801-17. doi:10.1111/j.1460-9568.2008.06059.x

Ball, G. F., & Balthazart, J. (2008). Individual variation and the endocrine regulation of behaviour and physiology in birds: a cellular/molecular perspective. Philosophical Transactions. Biological Sciences, 363 (1497), 1699-710. doi:10.1098/rstb.2007.0010

Ball, G. F., & Balthazart, J. (2008). How useful is the appetitive and consummatory distinction for our understanding of the neuroendocrine control of sexual behavior? Hormones and Behavior, 53 (2), 307-11; author reply 315-8. doi:10.1016/j.yhbeh.2007.09.023

Balthazart, J., & Taziaux, M. (2008). The underestimated role of olfaction in avian reproduction? Behavioural Brain Research. doi:10.1016/j.bbr.2008.08.036

Balthazart, J., Voigt, C., Boseret, G., & Ball, G. F. (2008). Expression of reelin, its receptors and its intracellular signaling protein, Disabled1 in the canary brain: relationships with the song control system. Neuroscience, 153 (4), 944-62. doi:10.1016/j.neuroscience.2008.02.020

Charlier, T., Ball, G. F., & Balthazart, J. (2008). Rapid action on neuroplasticity precedes behavioral activation by testosterone. Hormones and Behavior, 54 (4), 488-95. doi:10.1016/j.yhbeh.2008.03.001

Charlier, T., & Balthazart, J. (2008). localized modulation of testosterone action: Function of steroid receptor coactivators in the brain. In L. I. Ardis (Ed.), New research on testosterone (pp. 35-62). New York, United States: Nova Publishing group.

De Groof, G., Verhoye, M., Van Meir, V., Balthazart, J., & Van der Linden, A. (2008). Seasonal rewiring of the songbird brain: an in vivo MRI study. European Journal of Neuroscience, 28 (12), 2475-85; discussion 2474. doi:10.1111/j.1460-9568.2008.06545.x

Poirier, C., Vellema, M., Verhoye, M., Van Meir, V., Wilderiane, J., Balthazart, J., & Van Der Linden, A. (2008). A three-dimensional MRI atlas of the zebra finch brain in stereotaxic coordinates. NeuroImage, 41 (1), 1-6. doi:10.1016/j.neuroimage.2008.01.069

Taziaux, M., Kahn, A., Moore, J., Balthazart, J., & Holloway, K. S. (2008). Enhanced neural activation in brain regions mediating sexual responses following exposure to a conditioned stimulus that predicts copulation. Neuroscience, 151 (3), 644-58. doi:10.1016/j.neuroscience.2007.10.056

Taziaux, M., Keller, M., Ball, G. F., & Balthazart, J. (2008). Site-specific effects of anosmia and cloacal gland anesthesia on Fos expression induced in male quail brain by sexual behavior. Behavioural Brain Research, 194 (1), 52-65. doi:10.1016/j.bbr.2008.06.022

Balthazart, J. (December 2007). Activation of luteinizing hormone secretion by photoperiod and social stimuli: Different paths to the same destination. Endocrinology, 148 (12), 5611-5613. doi:10.1210/en.2007-1258

Balthazart, J., & Ball, G. F. (October 2007). Topography in the preoptic region: Differential regulation of appetitive and consummatory male sexual behaviors. Frontiers in Neuroendocrinology, 28 (4), 161-178. doi:10.1016/j.yfrne.2007.05.003

Balthazart, J. (August 2007). Estradiol, a key endocrine signal in the sexual differentiation and activation of reproductive behavior in quail. Comparative Biochemistry and Physiology. Part A, Molecular and Integrative Physiology, 148 (Suppl. 1), 27. doi:10.1016/j.cbpa.2007.06.067

Taziaux, M., Keller, M., Bakker, J., & Balthazart, J. (13 June 2007). Sexual Behavior activity tracks rapid changes in brain estrogen concentrations. Journal of Neuroscience, 27 (24), 6563-6572. doi:10.1523/JNEUROSCI.1797-07.2007

Bakker, J., De Mees, C., Szpirer, J., Szpirer, C., & Balthazart, J. (May 2007). Exposure to oestrogen prenatally does not interfere with the normal female-typical development of odour preferences. Journal of Neuroendocrinology, 19 (5), 329-334. doi:10.1111/j.1365-2826.2007.01540.x

Boseret, G., Ball, G. F., & Balthazart, J. (May 2007). The microtubule-associated protein doublecortin is broadly expressed in the telencephalon of adult canaries. Journal of Chemical Neuroanatomy, 33 (3), 140-154. doi:10.1016/j.jchemneu.2007.02.002

Caro, S. P., Lambrechts, M. M., Balthazart, J., & Perret, P. (May 2007). Non-photoperiodic factors and timing of breeding in blue tits: Impact of environmental and social influences in semi-natural conditions. Behavioural Processes, 75 (1), 1-7. doi:10.1016/j.beproc.2007.02.011

Taziaux, M., Lopez, J., Cornil, C., Balthazart, J., & Holloway, K. S. (May 2007). Differential c-fos expression in the brain of male Japanese quail following exposure to stimuli that predict or do not predict the arrival of a female. European Journal of Neuroscience, 25 (9), 2835-2846. doi:10.1111/j.1460-9568.2007.05542.x

Carere, C., & Balthazart, J. (March 2007). Sexual versus individual differentiation: the controversial role of avian maternal hormones [letter to the editor]. Trends in Endocrinology and Metabolism, 18 (2), 73-80. doi:10.1016/j.tem.2007.01.003

Voigt, C., Ball, G. F., & Balthazart, J. (March 2007). Neuroanatomical specificity of sex differences in expression of aromatase mRNA in the quail brain. Journal of Chemical Neuroanatomy, 33 (2), 75-86. doi:10.1016/j.jchemneu.2006.12.004

Carere, C., Ball, G. F., & Balthazart, J. (10 February 2007). Sex differences in projections from preoptic area aromatase cells to the periaqueductal gray in Japanese quail. Journal of Comparative Neurology, 500 (5), 894-907. doi:10.1002/cne.21210

Cornil, C., Ball, G. F., & Balthazart, J. (18 December 2006). Functional significance of the rapid regulation of brain estrogen action: Where do the estrogens come from? Brain Research, 1126, 2-26. doi:10.1016/j.brainres.2006.07.098

Boseret, G., Carere, C., Ball, G. F., & Balthazart, J. (01 September 2006). Social context affects testosterone-induced singing and the volume of song control nuclei in male canaries (Serinus canaria). Journal of Neurobiology, 66 (10), 1044-1060. doi:10.1002/neu.20268

Caro, S. P., Lambrechts, M. M., Chastel, O., Sharp, P. J., Thomas, D. W., & Balthazart, J. (September 2006). Simultaneous pituitary-gonadal recrudescence in two Corsican populations of male blue tits with asynchronous breeding dates. Hormones and Behavior, 50 (3), 347-360. doi:10.1016/j.yhbeh.2006.03.001

Balthazart, J. (August 2006). Rapid effects of estrogens on sexual appetite and consummation in quail. Journal of Ornithology, 147 (5, Suppl. 1), 56.

Caro, S., Balthazart, J., & Lambrechts, M. (August 2006). The proximate basis of adaptive micro-geographic variation in reproductive phenology in male and female Blue Tits. Journal of Ornithology, 147 (5, Suppl. 1), 47-48.

Van Meir, V., Pavlova, D., Verhoye, M., Pinxten, R., Balthazart, J., Eens, M., & Van der Linden, A. (01 July 2006). In vivo MR imaging of the seasonal volumetric and functional plasticity of song control nuclei in relation to song output in a female songbird. NeuroImage, 31 (3), 981-992. doi:10.1016/j.neuroimage.2006.01.005

Balthazart, J., & Ball, G. F. (May 2006). Is brain estradiol a hormone or a neurotransmitter? [letter to the editor]. Trends in Neurosciences, 29 (5), 241-249. doi:10.1016/j.tins.2006.03.004

Taziaux, M., Cornil, C., Dejace, C., Arckens, L., Ball, G. F., & Balthazart, J. (April 2006). Neuroanatomical specificity in the expression of the immediate early gene c-fos following expression of appetitive and consummatory male sexual behaviour in Japanese quail. European Journal of Neuroscience, 23 (7), 1869-1887. doi:10.1111/j.1460-9568.2006.04719.x

Cornil, C., Taziaux, M., Ball, G. F., & Balthazart, J. (21 February 2006). Modulation of estrogen availability rapidly affects male sexual behavior in Japanese quail [Paper presentation]. Young Investigator Symposium - Sex and Gene Expression/Workshop on Steroid Hormones and Brain Function conference, Breckeridge, Co, United States.

Bakker, J., De Mees, C., Douhard, Q., Balthazart, J., Gabant, P., Szpirer, J., & Szpirer, C. (February 2006). Alpha-fetoprotein protects the developing female mouse brain from masculinization and defeminization by estrogens. Nature Neuroscience, 9 (2), 220-226. doi:10.1038/nn1624

Cornil, C., Dalla, C., Papadopoulou-Daifoti, Z., Baillien, M., & Balthazart, J. (06 January 2006). Estradiol rapidly activates male sexual behavior and affects brain monoamine levels in the quail brain. Behavioural Brain Research, 166 (1), 110-123. doi:10.1016/j.bbr.2005.07.017

Ball, G. F., & Balthazart, J. (January 2006). Androgen metabolism and the activation of male sexual behavior: It's more complicated than you think! Hormones and Behavior, 49 (1), 1-3. doi:10.1016/j.yhbeh.2005.07.008

Balthazart, J., Baillien, M., & Ball, G. F. (January 2006). Rapid control of brain aromatase activity by glutamatergic inputs. Endocrinology, 147 (1), 359-366. doi:10.1210/en.2005-0845

Balthazart, J., Charlier, T., & Ball, G. F. (2006). Steroid specificity and control by steroid receptor coactivator-1 (SRC-1) of male sexual behavior [Paper presentation]. 6th Dutch Endo-Neuro-Psycho Meeting, Doorwerth, Netherlands.

Balthazart, J., Cornil, C., Taziaux, M., Charlier, T., Baillien, M., & Ball, G. F. (2006). Rapid changes in production and behavioral action of estrogens. Neuroscience, 138 (3), 783-91. doi:10.1016/j.neuroscience.2005.06.016

Charlier, T., Ball, G. F., & Balthazart, J. (2006). Plasticity in the expression of the steroid receptor coactivator 1 in the Japanese quail brain: effect of sex, testosterone, stress and time of the day. Neuroscience, 140 (4), 1381-94. doi:10.1016/j.neuroscience.2006.03.002

Charlier, T., Ball, G. F., & Balthazart, J. (2006). Down-regulation of the coactivator SRC-1 reveals different thresholds for testosterone-dependent regulation of male sexual behavior and brain aromatase [Poster presentation]. Annual Meeting of the Society for Behavioral Neuroendocrinology, Pittsburg, United States.

Charlier, T., Harada, N., Ball, G. F., & Balthazart, J. (2006). Targeting steroid receptor coactivator-1 expression with locked nucleic acids antisense reveals different thresholds for the hormonal regulation of male sexual behavior in relation to aromatase activity and protein expression. Behavioural Brain Research, 172 (2), 333-43. doi:10.1016/j.bbr.2006.05.023

Cornil, C., Taziaux, M., Baillien, M., Ball, G. F., & Balthazart, J. (January 2006). Rapid effects of aromatase inhibition on male reproductive behaviors in Japanese quail [letter to the editor]. Hormones and Behavior, 49 (1), 45-67. doi:10.1016/j.yhbeh.2005.05.003

Pierman, S., Douhard, Q., Balthazart, J., Baum, M. J., & Bakker, J. (January 2006). Attraction thresholds and sex discrimination of urinary odorants in male and female aromatase knockout (ArKO) mice. Hormones and Behavior, 49 (1), 96-104. doi:10.1016/j.yhbeh.2005.05.007

Van Der Linden, A., De Groof, G., Charlier, T., & Balthazart, J. (2006). Rapid testosterone-induced apparent diffusion coefficient (ADC) changes in the sexually dimorphic medial preoptic nucleus of male Japanese quail [Poster presentation]. 36th Annual Meeting of the Society of Neuroscience, Atlanta, United States.

Black, M. P., Balthazart, J., Baillien, M., & Grober, M. S. (22 November 2005). Socially induced and rapid increases in aggression are inversely related to brain aromatase activity in a sex-changing fish, Lythrypnus dalli. Proceedings of the Royal Society. Biological Sciences, 272 (1579), 2435-2440. doi:10.1098/rspb.2005.3210

Cornil, C., Balthazart, J., & Ball, G. F. (05 November 2005). How does dopamine regulate male sexual behavior : lessons from the birds [Paper presentation]. J.B.Johnston Club, Washington D.C., United States.

Dalla, C., Antoniou, K., Papadopoulou-Daifoti, Z., Balthazart, J., & Bakker, J. (08 September 2005). Male aromatase-knockout mice exhibit normal levels of activity, anxiety and "depressive-like" symptomatology. Behavioural Brain Research, 163 (2), 186-193. doi:10.1016/j.bbr.2005.04.020

Balthazart, J., Baillien, M., & Ball, G. F. (September 2005). Interactions between kinases and phosphatases in the rapid control of brain aromatase. Journal of Neuroendocrinology, 17 (9), 553-559. doi:10.1111/j.1365-2826.2005.01344.x

Cornil, C., Dalla, C., Papadopoulou-Daifoti, Z., Baillien, M., Dejace, C., Ball, G. F., & Balthazart, J. (September 2005). Rapid decreases in preoptic aromatase activity and brain monoamine concentrations after engaging in male sexual behavior. Endocrinology, 146 (9), 3809-3820. doi:10.1210/en.2005-0441

Cornil, C., Dejace, C., Ball, G. F., & Balthazart, J. (20 August 2005). Dopamine modulates male sexual behavior in Japanese quail in part via actions on noradrenergic receptors. Behavioural Brain Research, 163 (1), 42-57. doi:10.1016/j.bbr.2005.04.018

Appeltants, D., Gentner, T. Q., Hulse, S. H., Balthazart, J., & Ball, G. F. (30 June 2005). The effect of auditory distractors on song discrimination in male canaries (Serinus canaria). Behavioural Processes, 69 (3), 331-341. doi:10.1016/j.beproc.2005.01.010

Bakker, J., de Mees, C., Balthazart, J., Szpirer, C., Szpirer, J., & Gabant, P. (June 2005). Alpha-fetoprotein (AFP) knock out mice demonstrate the protective role of AFP during brain sexual differentiation. Hormones and Behavior, 48 (1), 87.

Boseret, G., Ball, G. F., & Balthazart, J. (June 2005). Distribution of Reelin and its cytoplasmic signaling protein, DAB-1 in the forebrain of male canaries. Hormones and Behavior, 48 (1), 90.

Carere, C., Boseret, G., Ball, G. F., & Balthazart, J. (June 2005). Testosterone-induced singing is regulated by social status in male canaries (serinus canaria). Hormones and Behavior, 48 (1), 92.

Charlier, T. D., Ball, G. F., & Balthazart, J. (June 2005). Daily changes in the expression of the steroid receptor coactivator SRC-1. Hormones and Behavior, 48 (1), 93.

Cornil, C., Balthazart, J., & Ball, G. F. (June 2005). Dopamine binds to alpha2-noradrenergic receptors in quail brain: Implications for the activation of male sexual behavior. Hormones and Behavior, 48 (1), 95.

Taziaux, M., Cornil, C., Dejace, C., & Balthazart, J. (June 2005). Differences in neural activation following expression of appetitive and consummatory male sexual behavior in the quail brain. Hormones and Behavior, 48 (1), 130.

Van Meir, V., Boumans, T., De Groof, G., Van Audekerke, J., Smolders, A., Scheunders, P., Sijbers, J., Verhoye, M., Balthazart, J., & Van der Linden, A. (01 May 2005). Spatiotemporal properties of the BOLD response in the songbirds' auditory circuit during a variety of listening tasks. NeuroImage, 25 (4), 1242-1255. doi:10.1016/j.neuroimage.2004.12.058

Sartor, J. J., Balthazart, J., & Ball, G. F. (April 2005). Coordinated and dissociated effects of testosterone on singing behavior and song control nuclei in canaries (Serinus canaria). Hormones and Behavior, 47 (4), 467-476. doi:10.1016/j.yhbeh.2004.12.004

Holloway, K. S., Balthazart, J., & Cornil, C. (February 2005). Androgen mediation of conditioned rhythmic cloacal sphincter movements in Japanese quail (Coturnix Japonica). Journal of Comparative Psychology, 119 (1), 49-57. doi:10.1037/0735-7036.119.1.49

Balthazart, J., Baillien, M., Charlier, T., & Ball, G. F. (2005). Effects of calmodulin on aromatase activity in the preoptic area. Journal of Neuroendocrinology, 17 (10), 664-71. doi:10.1111/j.1365-2826.2005.01355.x

Balthazart, J., Baillien, M., Charlier, T., Taziaux, M., & Cornil, C. (2005). Rapid changes in production and behavioral action of estrogens. Trabajos del Instituto Cajal, 80, 39.

Balthazart, J., Charlier, T., Taziaux, M., & Ball, G. F. (2005). Steroid-induced plasticity in the medial preoptic nucleus, a key center for the activation of appetitive and consummatory sexual behavior in male quail [Paper presentation]. Avian Brain Conference, Satellite of the 29th Ethological Conference, Budapest, Hungary.

Caro, S. P., Balthazart, J., Thomas, D. W., Lacroix, A., Chastel, O., & Lambrechts, M. M. (01 January 2005). Endocrine correlates of the breeding asynchrony between two corsican populations of blue tits (Parus caeruleus). General and Comparative Endocrinology, 140 (1), 52-60. doi:10.1016/j.ygcen.2004.09.016

Charlier, T., Ball, G. F., & Balthazart, J. (2005). Testosterone rapidly increases the volume of the medial preoptic nucleus in male Japanese quail [Poster presentation]. 35th Annual Meeting of the Society for Neurosciences, Washington DC, United States.

Charlier, T., Ball, G. F., & Balthazart, J. (2005). Sexual behavior activates the expression of the immediate early genes c-fos and Zenk (egr-1) in catecholaminergic neurons of male Japanese quail. Neuroscience, 131 (1), 13-30. doi:10.1016/j.neuroscience.2004.09.068

Charlier, T., Ball, G. F., & Balthazart, J. (2005). Rapid plasticity of the medial preoptic nucleus in male Japanese quail following testosterone treatment [Paper presentation]. Euron 9th PhD Day, Liège, Belgium.

Charlier, T., Ball, G. F., & Balthazart, J. (2005). Modulation of steroid-dependent male sexual behavior and neural gene expression: A role for steroid receptor co-activators. Trabajos del Instituto Cajal, 80, 209.

Charlier, T., Ball, G. F., & Balthazart, J. (2005). Modulation of steroid-dependent male sexual behavior and neural gene expression: a role for steroid receptor co-activators. In A. Dawson & P. J. Sharp (Eds.), Functional anvian endocrinology (pp. 361-374). Narosa Publishing Group.

Charlier, T., Ball, G. F., & Balthazart, J. (2005). Inhibition of steroid receptor coactivator-1 blocks estrogen and androgen action on male sex behavior and associated brain plasticity. Journal of Neuroscience, 25 (4), 906-13. doi:10.1523/JNEUROSCI.3533-04.2005

Charlier, T., Ball, G. F., & Balthazart, J. (2005). Daily changes in the expression of the steroid receptor coactivator SRC-1. Hormones and Behavior, 48, 93.

Charlier, T., Ball, G. F., & Balthazart, J. (2005). Brain expression of the steroid receptor coactivator SRC-1 changes during the day [Poster presentation]. Bi-Annual Meeting of the Belgian Society for Neuroscience, Belgium.

Charlier, T., & Balthazart, J. (2005). Modulation of hormonal signaling in the brain by steroid receptor coactivators. Reviews in the Neurosciences, 16 (4), 339-57. doi:10.1515/REVNEURO.2005.16.4.339

Cornil, C., Seutin, V., Motte, P., & Balthazart, J. (17 December 2004). Electrophysiological and neurochemical characterization of neurons of the medical preoptic area in Japanese quail (Coturnix japonica). Brain Research, 1029 (2), 224-240. doi:10.1016/j.brainres.2004.09.047

Taziaux, M., Cornil, C., & Balthazart, J. (30 November 2004). Aromatase inhibition blocks the expression of sexually-motivated cloacal gland movements in male quail. Behavioural Processes, 67 (3), 461-469. doi:10.1016/j.beproc.2004.07.007

Ball, G. F., & Balthazart, J. (15 November 2004). Hormonal regulation of brain circuits mediating male sexual behavior in birds [letter to the editor]. Physiology and Behavior, 83 (2), 329-346. doi:10.1016/j.physbeh.2004.08.020

Balthazart, J., Baillien, M., Cornil, C., & Ball, G. F. (15 November 2004). Preoptic aromatase modulates male sexual behavior: slow and fast mechanisms of action [letter to the editor]. Physiology and Behavior, 83 (2), 247-270. doi:10.1016/j.physbeh.2004.08.025

Cornil, C., Holloway, K. S., Taziaux, M., & Balthazart, J. (30 October 2004). The effects of aromatase inhibition on testosterone-dependent conditioned rhythmic cloacal sphincter movements in male Japanese quail. Physiology and Behavior, 83 (1), 99-105. doi:10.1016/j.physbeh.2004.07.011

Evrard, H. C., & Balthazart, J. (18 August 2004). Rapid regulation of pain by estrogens synthesized in spinal dorsal horn neurons. Journal of Neuroscience, 24 (33), 7225-7229. doi:10.1523/JNEUROSCI.1638-04.2004

Appeltants, D., Ball, G. F., & Balthazart, J. (06 August 2004). Catecholaminergic inputs to aromatase cells in the canary auditory forebrain. Neuroreport, 15 (11), 1727-1730. doi:10.1097/01.wnr.0000135920.75925.1e

Cornil, C., Seutin, V., & Balthazart, J. (27 July 2004). Interaction of dopamine with noradrenergic receptors in the preoptic area and sexual behavior in male quail [Paper presentation]. 8th Annual Meeting of the Society for Behavioral Neuroendocrinology, Young Investigators Symposium, Lisboa, Portugal.

Dalla, C., Antoniou, K., Papadopoulou-Daifoti, Z., Balthazart, J., & Bakker, J. (July 2004). Oestrogen-deficient female aromatase knockout (ArKO) mice exhibit 'depressive-like' symptomatology. European Journal of Neuroscience, 20 (1), 217-228. doi:10.1111/j.1460-9568.2004.03443.x

Allieri, F., Sica, M., Bakker, J., Honda, S., Harada, N., Viglietti-Panzica, C., Balthazart, J., & Panzica, G. C. (June 2004). Activational effects of estradiol on the arginine-vasopressin immunoreactive system in the forebrain of male mice. Hormones and Behavior, 46 (1), 84.

Bakker, J., Dalla, C., Antoniou, K., Papadopoulou-Daifoti, Z., & Balthazart, J. (June 2004). Estrogen-deficient female but not male aromatase knockout (ArKO) mice exhibit "depressive-like" symptoms. Hormones and Behavior, 46 (1), 127.

Bakker, J., Honda, S., Harada, N., & Balthazart, J. (June 2004). Restoration of male sexual behavior by adult exogenous estrogens in male aromatase knockout mice. Hormones and Behavior, 46 (1), 1-10. doi:10.1016/j.yhbeh.2004.02.003

Balthazart, J., Baillien, M., & Cornil, C. (June 2004). Rapid regulation of brain aromatase activity by afferent inputs: Behavioral implications. Hormones and Behavior, 46 (1), 127.

Black, M., Balthazart, J., Baillien, M., & Grober, M. (June 2004). Rapid and correlated changes in brain aromatase activity and aggressive behavior are socially-mediated in Lythrypnus dalli. Hormones and Behavior, 46 (1), 107-108.

Boseret, G., Ball, G. F., & Balthazart, J. (June 2004). Social modulation of testosterone-induced singing in canaries. Hormones and Behavior, 46 (1), 108.

Caro, S., Lambrechts, M. M., & Balthazart, J. (June 2004). Seasonal development of song control nuclei HVC and RA preceeds peaks in plasma testosterone and singing activity in male Corsican blue tits. Hormones and Behavior, 46 (1), 108.

Charlier, T. D., Ball, G. F., & Balthazart, J. (June 2004). Gene knock down via antisense oligonucleotides to the steroid receptor coactivator SRC-1 modulates testosterone-dependent male sexual behavior and neural gene expression. Hormones and Behavior, 46 (1), 86.

Holloway, K. S., Cornil, C., Taziaux, M., & Balthazart, J. (June 2004). Aromatase activity modulates conditioned cloacal sphincter movements, an appetitive sexual behavior, in Japanese quail. Hormones and Behavior, 46 (1), 92.

Pierman, S., Douhard, Q., Balthazart, J., Baum, M. J., & Bakker, J. (June 2004). Assessment of olfactory function in male and female aromatase knockout (ArKO) mice. Hormones and Behavior, 46 (1), 99.

Sartor, J. J., Balthazart, J., Riters, L. V., & Ball, G. F. (June 2004). The roles of testosterone and singing in the regulation of seasonal neuroplasticity in songbirds. Hormones and Behavior, 46 (1), 121.

Bakker, J., Baillien, M., Honda, S., Harada, N., & Balthazart, J. (May 2004). Relationships between aromatase activity in the brain and gonads and behavioural deficits in homozygous and heterozygous aromatase knockout mice. Journal of Neuroendocrinology, 16 (5), 483-490. doi:10.1111/j.1365-2826.2004.01191.x

Evrard, H. C., Harada, N., & Balthazart, J. (May 2004). Immunocytochemical localization of aromatase in sensory and integrating nuclei of the hindbrain in Japanese quail (Coturnix japonica) [letter to the editor]. Journal of Comparative Neurology, 473 (2), 194-212. doi:10.1002/cne.20068

Silverin, B., Baillien, M., & Balthazart, J. (April 2004). Territorial aggression, circulating levels of testosterone, and brain aromatase activity in free-living pied flycatchers. Hormones and Behavior, 45 (4), 225-234. doi:10.1016/j.yhbeh.2003.10.002

Evrard, H. C., & Balthazart, J. (March 2004). Aromatization of androgens into estrogens reduces response latency to a noxious thermal stimulus in male quail. Hormones and Behavior, 45 (3), 181-189. doi:10.1016/j.yhbeh.2003.09.014

Van Meir, V., Verhoye, M., Absil, P., Eens, M., Balthazart, J., & Van der Linden, A. (March 2004). Differential effects of testosterone on neuronal populations and their connections in a sensorimotor brain nucleus controlling song production in songbirds: a manganese enhanced-magnetic resonance imaging study. NeuroImage, 21 (3), 914-923. doi:10.1016/j.neuroimage.2003.10.007

Ball, G. F., Auger, C. J., Bernard, D. J., Charlier, T., Sartor, J. J., Riters, L. V., & Balthazart, J. (2004). Seasonal plasticity in the song control system - Multiple brain sites of steroid hormone action and the importance of variation in song behavior. Annals of the New York Academy of Sciences, 1016, 586-610. doi:10.1196/annals.1298.043

Balthazart, J., Baillien, M., Cornil, C., Charlier, T., Evrard, H. C., & Ball, G. (2004). Behavioral effects of rapid changes in aromatase activity in the central nervous system. In C. Kordon, R. C. Gaillard, ... Y. Christen (Eds.), Research and perspectives in endocrine action (pp. 173-200).

Charlier, T., Ball, G. F., & Balthazart, J. (2004). Plasticity in the expression of the steroid receptor coactivator–1 (SRC-1) in quail [Poster presentation]. 34th Annual Meeting of the Society for Neuroscience, San Diego, United States.

Charlier, T., Ball, G. F., & Balthazart, J. (2004). Plasticity in the expression of the steroid receptor coactivator-1 (SRC-1) in Japanese quail [Paper presentation]. EBird Workshop: Trade off and Constraints, Wageningen, Netherlands.

Charlier, T., Ball, G. F., & Balthazart, J. (2004). Gene knock down via antisense oligonucleotides to the steroid receptor coactivator SRC-1 modulates testosterone-dependent male sexual behavior and neural gene expression. Hormones and Behavior, 46, 86.

Dermon, C. R., Stamatakis, A., Giakoumaki, S., & Balthazart, J. (2004). Differential effects of testosterone on protein synthesis activity in male and female quail brain [letter to the editor]. Neuroscience, 123 (3), 647-666. doi:10.1016/j.neuroscience.2003.10.010

Holloway, K., Cornil, C., & Balthazart, J. (2004). Effects of central administration of Naloxone on the extinction of appetitive sexual responses. Behavioural Brain Research, 153 (2), 567-572. doi:10.1016/j.bbr.2004.01.010

Bakker, J., Honda, S., Harada, N., & Balthazart, J. (December 2003). The aromatase knockout (ArKO) mouse provides new evidence that estrogens are required for the development of the female brain. Annals of the New York Academy of Sciences, 1007, 251-262. doi:10.1196/annals.1286.024

Evrard, H. C., & Balthazart, J. (December 2003). Aromatase (estrogen synthase) activity in the dorsal horn of the spinal cord: Functional implications. Annals of the New York Academy of Sciences, 1007, 263-271. doi:10.1196/annals.1286.025

Tindemans, I., Verhoye, M., Balthazart, J., & Van der Linden, A. (December 2003). In vivo dynamic ME-MRI reveals differential functional responses of RA- and area X-projecting neurons in the HVC of canaries exposed to conspecific song. European Journal of Neuroscience, 18 (12), 3352-3360. doi:10.1111/j.1460-9568.2003.03056.x

Evrard, H. C., Willems, E., Harada, N., & Balthazart, J. (13 October 2003). Specific innervation of aromatase neurons by substance P fibers in the dorsal horn of the spinal cord in quail. Journal of Comparative Neurology, 465 (2), 309-318. doi:10.1002/cne.10854

Cornil, C., Ball, G. F., & Balthazart, J. (25 September 2003). 17ß-estradiol and vorozole, an aromatase inhibitor, rapidly modulate male sexual behavior in Japanese quail [Paper presentation]. 7th EURON PhD student day, Brussels, Belgium.

Ball, G. F., & Balthazart, J. (01 September 2003). Birds return every spring like clockwork, but where is the clock? Endocrinology, 144 (9), 3739-3741. doi:10.1210/en.2003-0781

Absil, P., Pinxten, R., Balthazart, J., & Eens, M. (14 July 2003). Effect of age and testosterone on autumnal neurogenesis in male European starlings (Sturnus vulgaris). Behavioural Brain Research, 143 (1), 15-30. doi:10.1016/S0166-4328(03)00006-8

Cornil, C., Seutin, P., Motte, P., & Balthazart, J. (11 May 2003). Alpha noradrenergic receptors mediate dopaminergic effects in the quail preoptic area [Paper presentation]. Belgian Society for Neuroscience Meeting, Brussels, Belgium.

Absil, P., Pinxten, R., Balthazart, J., & Eens, M. (April 2003). Effects of testosterone on Reelin expression in the brain of male European starlings. Cell and Tissue Research, 312 (1), 81-93. doi:10.1007/s00441-003-0701-9

Balthazart, J., Baillien, M., Charlier, T., & Ball, G. (April 2003). Calcium-dependent phosphorylation processes control brain aromatase in quail. European Journal of Neuroscience, 17 (8), 1591-1606. doi:10.1046/j.1460-9568.2003.02598.x

Charlier, T., Balthazart, J., & Ball, G. F. (10 January 2003). Sex differences in the distribution of the steroid receptor coactivator SRC-1 in the song control nuclei of male and female canaries. Brain Research, 959 (2), 263-274. doi:10.1016/S0006-8993(02)03758-7

Appeltants, D., Ball, G. F., & Balthazart, J. (2003). Song activation by testosterone is associated with an increased catecholaminergic innervation of the song control system in female canaries. Neuroscience, 121 (3), 801-814. doi:10.1016/S0306-4522(03)00496-2

Ball, G. F., Castelino, C. B., Maney, D. L., Appeltants, D., & Balthazart, J. (2003). The activation of birdsong by testosterone - Multiple sites of action and role of ascending catecholamine projections. Annals of the New York Academy of Sciences, 1007, 211-231. doi:10.1196/annals.1286.021

Balthazart, J., Baillien, M., Charlier, T., Cornil, C., & Ball, G. (2003). The neuroendocrinology of reproductive behavior in Japanese quail. Domestic Animal Endocrinology, 25, 69-82. doi:10.1016/S0739-7240(03)00046-8

Balthazart, J., Baillien, M., Charlier, T., Cornil, C., & Ball, G. (2003). Multiple mechanisms control brain aromatase activity at the genomic and non-genomic level. Journal of Steroid Biochemistry and Molecular Biology, 86, 367-379. doi:10.1016/S0960-0760(03)00346-7

Balthazart, J., Panzica, G. C., & Krohmer, R. W. (January 2003). Anatomical relationships between aromatase-immunoreactive neurons and nitric oxide synthase as evidenced by NOS immunohistochemistry or NADPH diaphorase histochemistry in the quail forebrain. Journal of Chemical Neuroanatomy, 25 (1), 39-51. doi:10.1016/S0891-0618(02)00092-3

Charlier, T., Auger, C. J., Balthazart, J., & Ball, G. F. (2003). Modulation of steroid activity by transcription coactivators in songbirds. Hormones and Behavior, 44, 28-29.

Charlier, T., Baillien, M., Ball, G. F., & Balthazart, J. (2003). Cloning and identification of functional domains in quail Brain aromatase [Poster presentation]. 33th Annual Meeting of the Society for Neuroscience, New Orleans, United States.

Charlier, T., Balthazart, J., & Ball, G. F. (2003). The distribution of the coactivator SRC-1 is sexually differentiated in the song control nuclei of male and female canaries [Poster presentation]. Bi-Annual Meeting of the Belgian Society for Neuroscience, Bruxelles, Belgium.

Plumari, L., Viglietti-Panzica, C., Allieri, F., Honda, S., Harada, N., Absil, P., Balthazart, J., & Panzica, G. C. (December 2002). Changes in the arginine-vasopressin immunoreactive systems in male mice lacking a functional aromatase gene. Journal of Neuroendocrinology, 14 (12), 971-978. doi:10.1046/j.1365-2826.2002.00866.x

Cornil, C., Balthazart, J., Motte, P., Massotte, L., & Seutin, V. (01 November 2002). Dopamine activates noradrenergic receptors in the preoptic area. Journal of Neuroscience, 22 (21), 9320-9330. doi:10.1523/jneurosci.22-21-09320.2002

Evrard, H. C., & Balthazart, J. (November 2002). Localization of oestrogen receptors in the sensory and motor areas of the spinal cord in Japanese quail (Coturnix japonica). Journal of Neuroendocrinology, 14 (11), 894-903. doi:10.1046/j.1365-2826.2002.00857.x

Pinxten, R., De Ridder, E., Balthazart, J., & Eens, M. (November 2002). Context-dependent effects of castration and testosterone treatment on song in male European starlings. Hormones and Behavior, 42 (3), 307-318. doi:10.1006/hbeh.2002.1824

Bakker, J., Honda, S. I., Harada, N., & Balthazart, J. (15 October 2002). The aromatase knock-out mouse provides new evidence that estradiol is required during development in the female for the expression of sociosexual behaviors in adulthood. Journal of Neuroscience, 22 (20), 9104-9112. doi:10.1523/jneurosci.22-20-09104.2002

Bakker, J., Honda, S., Harada, N., & Balthazart, J. (September 2002). Sexual partner preference requires a functional aromatase (Cyp19) gene in male mice. Hormones and Behavior, 42 (2), 158-171. doi:10.1006/hbeh.2002.1805

Appeltants, D., Del Negro, C., & Balthazart, J. (18 July 2002). Noradrenergic control of auditory information processing in female canaries. Behavioural Brain Research, 133 (2), 221-235. doi:10.1016/S0166-4328(02)00005-0

Absil, P., Papello, M., Viglietti-Panzica, C., Balthazart, J., & Panzica, G. (June 2002). The medial preoptic nucleus receives vasotocinergic inputs in male quail: a tract-tracing and immunocytochemical study. Journal of Chemical Neuroanatomy, 24 (1), 27-39. doi:10.1016/S0891-0618(02)00017-0

Panzica, G. C., Balthazart, J., Pessatti, M., & Viglietti-Panzica, C. (June 2002). The parvocellular vasotocin system of Japanese quail: A developmental and adult model for the study of influences of gonadal hormones on sexually differentiated and behaviorally relevant neural circuits. Environmental Health Perspectives, 110 (Suppl. 3), 423-428. doi:10.1289/ehp.02110s3423

Balthazart, J., Baillien, M., & Ball, G. F. (May 2002). Interactions between aromatase (estrogen synthase) and dopamine in the control of male sexual behavior in quail. Comparative Biochemistry and Physiology. Part B, Biochemistry and Molecular Biology, 132 (1), 37-55. doi:10.1016/S1096-4959(01)00531-0

Evrard, H. C., & Balthazart, J. (May 2002). The assessment of nociceptive and non-nociceptive skin sensitivity in the Japanese quail (Coturnix japonica). Journal of Neuroscience Methods, 116 (2), 135-146. doi:10.1016/S0165-0270(02)00034-1

Appeltants, D., Ball, G. F., & Balthazart, J. (16 April 2002). The origin of catecholaminergic inputs to the song control nucleus RA in canaries. Neuroreport, 13 (5), 649-653. doi:10.1097/00001756-200204160-00023

Ball, G. F., Riters, L. V., & Balthazart, J. (April 2002). Neuroendocrinology of song behavior and avian brain plasticity: Multiple sites of action of sex steroid hormones [letter to the editor]. Frontiers in Neuroendocrinology, 23 (2), 137-178. doi:10.1006/frne.2002.0230

Absil, P., Braquenier, J.-B., Balthazart, J., & Ball, G. F. (2002). Effects of lesions of nucleus taeniae on appetitive and consummatory aspects of male sexual behavior in Japanese quail. Brain, Behavior and Evolution, 60 (1), 13-35. doi:10.1159/000064119

Charlier, T., Ball, G. F., & Balthazart, J. (2002). Sexually differentiated expression of the steroid receptor coactivator SRC-1 in steroid- sensitive brain areas regulating reproductive behaviors in the quail brain [Poster presentation]. 32th Annual meeting of the Society for Neuroscience, Orlando, United States.

Charlier, T., Ball, G. F., & Balthazart, J. (2002). Sex differences in the distribution of the steroid receptor-coactivator-1 in the canary brain. Hormones and Behavior, 41, 460-461.

Charlier, T., Balthazart, J., & Ball, G. F. (2002). Sex difference in the distribution of the steroid receptor coactivator SRC-1 in the song control nuclei in male and female canaries [Poster presentation]. Behavioral Neurobiology of Birdsong, Hunter College, New York City, United States.

Charlier, T., Lakaye, B., Ball, G. F., & Balthazart, J. (2002). Steroid receptor coactivator SRC-1 exhibits high expression in steroid-sensitive brain areas regulating reproductive behaviors in the quail brain. Neuroendocrinology, 76 (5), 297-315. doi:10.1159/000066624

Krohmer, R. W., Bieganski, G. J., Baleckaitis, D. D., Harada, N., & Balthazart, J. (January 2002). Distribution of aromatase immunoreactivity in the forebrain of red-sided garter snakes at the beginning of the winter dormancy. Journal of Chemical Neuroanatomy, 23 (1), 59-71. doi:10.1016/S0891-0618(01)00145-4

Sartor, J. J., Charlier, T., Pytte, C. L., & Balthazart, J. (2002). Converging evidence that song performance modulates seasonal changes in the avian song control system [Poster presentation]. 32th Annual meeting of the Society for Neuroscience, New Orleans, United States.

Sartor, J. J., Charlier, T., Pytte, C. L., Balthazart, J., & Ball, G. F. (2002). Seasonal changes in the songbird brain are modulated by song performance via testosterone-dependent and independent action [Poster presentation]. Behavioral Neurobiology of Birdsong, Hunter College, New York City, United States.

Van der Linden, A., Verhoye, M., Van Meir, V., Tindemans, I., Eens, M., Absil, P., & Balthazart, J. (2002). In vivo manganese-enhanced magnetic resonance imaging reveals connections and functional properties of the songbird vocal control system. Neuroscience, 112 (2), 467-474. doi:10.1016/S0306-4522(02)00070-2

Balthazart, J., Baillien, M., & Ball, G. F. (December 2001). Phosphorylation processes mediate rapid changes of brain aromatase activity. Journal of Steroid Biochemistry and Molecular Biology, 79 (1-5), 261-277. doi:10.1016/S0960-0760(01)00143-1

Absil, P., Baillien, M., Ball, G. F., Panzica, G. C., & Balthazart, J. (November 2001). The control of preoptic aromatase activity by afferent inputs in Japanese quail. Brain Research Reviews, 37 (1-mars Sp. Iss. SI), 38-58. doi:10.1016/S0165-0173(01)00122-9

Absil, P., Riters, L. V., & Balthazart, J. (November 2001). Preoptic Aromatase Cells Project to the Mesencephalic Central Gray in the Male Japanese Quail (Coturnix Japonica). Hormones and Behavior, 40 (3), 369-83. doi:10.1006/hbeh.2001.1702

Panzica, G. C., Aste, N., Castagna, C., Viglietti-Panzica, C., & Balthazart, J. (November 2001). Steroid-induced plasticity in the sexually dimorphic vasotocinergic innervation of the avian brain: behavioral implications. Brain Research Reviews, 37 (1-mars Sp. Iss. SI), 178-200. doi:10.1016/S0165-0173(01)00118-7

Appeltants, D., Ball, G. F., & Balthazart, J. (May 2001). The Distribution of Tyrosine Hydroxylase in the Canary Brain: Demonstration of a Specific and Sexually Dimorphic Catecholaminergic Innervation of the Telencephalic Song Control Nulcei. Cell and Tissue Research, 304 (2), 237-59. doi:10.1007/s004410100360

Balthazart, J., Baillien, M., & Ball, G. F. (January 2001). Rapid and Reversible Inhibition of Brain Aromatase Activity. Journal of Neuroendocrinology, 13 (1), 63-73. doi:10.1046/j.1365-2826.2001.00598.x

Balthazart, J., Stamatakis, A., Bacola, S., Absil, P., & Dermon, C. R. (2001). Effects of lesions of the medial preoptic nucleus on the testosterone-induced metabolic changes in specific brain areas in male quail. Neuroscience, 108 (3), 447-466. doi:10.1016/S0306-4522(01)00422-5

Charlier, T., Foidart, A., Ball, G. F., & Balthazart, J. (2001). Induction of expression of the immediate early gene c-Fos and Zenk in catecholaminergic neurons of male quail following copulatory behavior [Poster presentation]. Bi-Annual Meeting of the Belgian Society for Neuroscience, Belgium.

Charlier, T., Lakaye, B., Ball, G. F., & Balthazart, J. (2001). Cloning and distribution of steroid receptor coactivator SRC-1 in quail [Poster presentation]. 31st Annual Meeting o the Society for Neuroscience, San Diego, United States.

Balthazart, J., Tlemcani, O., Harada, N., & Baillien, M. (September 2000). Ontogeny of Aromatase and Tyrosine Hydroxylase Activity and of Aromatase-Immunoreactive Cells in the Preoptic Area of Male and Female Japanese Quail. Journal of Neuroendocrinology, 12 (9), 853-66. doi:10.1046/j.1365-2826.2000.00532.x

Evrard, H., Baillien, M., Foidart, A., Absil, P., Harada, N., & Balthazart, J. (07 August 2000). Localization and Controls of Aromatase in the Quail Spinal Cord. Journal of Comparative Neurology, 423 (4), 552-64. doi:10.1002/1096-9861(20000807)423:4<552::AID-CNE2>3.0.CO;2-S

Tlemcani, O., Ball, G. F., D'Hondt, E., Vandesande, F., Sharp, P. J., & Balthazart, J. (01 July 2000). Fos Induction in the Japanese Quail Brain after Expression of Appetitive and Consummatory Aspects of Male Sexual Behavior. Brain Research Bulletin, 52 (4), 249-62. doi:10.1016/S0361-9230(00)00233-1

Appeltants, D., Absil, P., Balthazart, J., & Ball, G. F. (March 2000). Identification of the Origin of Catecholaminergic Inputs to Hvc in Canaries by Retrograde Tract Tracing Combined with Tyrosine Hydroxylase Immunocytochemistry. Journal of Chemical Neuroanatomy, 18 (3), 117-33. doi:10.1016/S0891-0618(99)00054-X

Balthazart, J., Charlier, T., Foidart, A., & Ball, G. F. (2000). Expression of Fos and zenk following copulatory behavior in catecholminergic neurons of male quail [Poster presentation]. 30th Annual Meeting of the Society for Neuroscience, New Orleans, United States.

Cornil, C., Foidart, A., Minet, A., & Balthazart, J. (2000). Immunocytochemical localization of ionotropic glutamate receptors subunits in the adult quail forebrain. Journal of Comparative Neurology, 428, 577-608. doi:10.1002/1096-9861(20001225)428:4<577::AID-CNE1>3.0.CO;2-K

Foidart, A., Lakaye, B., Grisar, T., Ball, G. F., & Balthazart, J. (05 September 1999). Estrogen Receptor-Beta in Quail: Cloning, Tissue Expression and Neuroanatomical Distribution. Journal of Neurobiology, 40 (3), 327-42. doi:10.1002/(SICI)1097-4695(19990905)40:3<327::AID-NEU5>3.0.CO;2-L

Foidart, A., Meddle, S. L., & Balthazart, J. (06 April 1999). Mating-Induced Fos and Aromatase Are Not Co-Localized in the Preoptic Area. Neuroreport, 10 (5), 907-12. doi:10.1097/00001756-199904060-00003

Baillien, M., Foidart, A., & Balthazart, J. (01 January 1999). Regional Distribution and Control of Tyrosine Hydroxylase Activity in the Quail Brain. Brain Research Bulletin, 48 (1), 3-17. doi:10.1016/S0361-9230(98)00141-5

Ball, G. F., Bernard, D. J., Foidart, A., Lakaye, B., & Balthazart, J. (1999). Steroid sensitive sites in the avian brain: does the distribution of the estrogen receptor alpha and beta types provide insight into their function? Brain, Behavior and Evolution, 54, 28-40. doi:10.1159/000006609

Riters, L. V., Absil, P., & Balthazart, J. (01 September 1998). Effects of Brain Testosterone Implants on Appetitive and Consummatory Components of Male Sexual Behavior in Japanese Quail. Brain Research Bulletin, 47 (1), 69-79. doi:10.1016/S0361-9230(98)00064-1

Lakaye, B., Foidart, A., Grisar, T., & Balthazart, J. (24 August 1998). Partial Cloning and Distribution of Estrogen Receptor Beta in the Avian Brain. Neuroreport, 9 (12), 2743-8. doi:10.1097/00001756-199808240-00011

Balthazart, J., Absil, P., Gérard, M.-P., Appeltants, D., & Ball, G. F. (15 August 1998). Appetitive and consummatory male sexual behavior in Japanese quail are differentially regulated by subregions of the preoptic medial nucleus. Journal of Neuroscience, 18 (16), 6512-6527. doi:10.1523/jneurosci.18-16-06512.1998

Balthazart, J., & Ball, G. F. (June 1998). New Insights into the Regulation and Function of Brain Estrogen Synthase (Aromatase). Trends in Neurosciences, 21 (6), 243-9. doi:10.1016/S0166-2236(97)01221-6

Balthazart, J., Foidart, A., Houbart, M., Prins, G. S., & Ball, G. F. (June 1998). Distribution of Androgen Receptor-Immunoreactive Cells in the Quail Forebrain and Their Relationship with Aromatase Immunoreactivity. Journal of Neurobiology, 35 (3), 323-40. doi:10.1002/(SICI)1097-4695(19980605)35:3<323::AID-NEU8>3.0.CO;2-0

Foidart, A., Silverin, B., Baillien, M., Harada, N., & Balthazart, J. (June 1998). Neuroanatomical Distribution and Variations across the Reproductive Cycle of Aromatase Activity and Aromatase-Immunoreactive Cells in the Pied Flycatcher (Ficedula Hypoleuca). Hormones and Behavior, 33 (3), 180-96. doi:10.1006/hbeh.1998.1448

Balthazart, J., Foidart, A., Baillien, M., Harada, N., & Ball, G. F. (10 February 1998). Anatomical Relationships between Aromatase and Tyrosine Hydroxylase in the Quail Brain: Double-Label Immunocytochemical Studies. Journal of Comparative Neurology, 391 (2), 214-26. doi:10.1002/(SICI)1096-9861(19980209)391:2<214::AID-CNE5>3.0.CO;2-5

Castagna, C., Absil, P., Foidart, A., & Balthazart, J. (February 1998). Systemic and Intracerebroventricular Injections of Vasotocin Inhibit Appetitive and Consummatory Components of Male Sexual Behavior in Japanese Quail. Behavioral Neuroscience, 112 (1), 233-50. doi:10.1037/0735-7044.112.1.233

Balthazart, J., & Ball, G. F. (1998). The Japanese Quail as a Model System for the Investigation of Steroid-Catecholamine Interactions Mediating Appetitive and Consummatory Aspects of Male Sexual Behavior. Annual Review of Sex Research, 9, 96-176.

Castagna, C., Ball, G. F., & Balthazart, J. (October 1997). Effects of Dopamine Agonists on Appetitive and Consummatory Male Sexual Behavior in Japanese Quail. Pharmacology, Biochemistry and Behavior, 58 (2), 403-14. doi:10.1016/S0091-3057(97)00243-8

Balthazart, J., Castagna, C., & Ball, G. F. (September 1997). Differential Effects of D1 and D2 Dopamine-Receptor Agonists and Antagonists on Appetitive and Consummatory Aspects of Male Sexual Behavior in Japanese Quail. Physiology and Behavior, 62 (3), 571-80. doi:10.1016/S0031-9384(97)00163-7

Balthazart, J., Absil, P., Viglietti-Panzica, C., & Panzica, G. C. (July 1997). Vasotocinergic Innervation of Areas Containing Aromatase-Immunoreactive Cells in the Quail Forebrain. Journal of Neurobiology, 33 (1), 45-60. doi:10.1002/(SICI)1097-4695(199707)33:1<45::AID-NEU5>3.0.CO;2-D

Balthazart, J., & Absil, P. (09 June 1997). Identification of Catecholaminergic Inputs to and Outputs from Aromatase-Containing Brain Areas of the Japanese Quail by Tract Tracing Combined with Tyrosine Hydroxylase Immunocytochemistry. Journal of Comparative Neurology, 382 (3), 401-28. doi:10.1002/(SICI)1096-9861(19970609)382:3<401::AID-CNE7>3.0.CO;2-7

Balthazart, J. (April 1997). Steroid Control and Sexual Differentiation of Brain Aromatase. Journal of Steroid Biochemistry and Molecular Biology, 61 (3-6), 323-39. doi:10.1016/S0960-0760(96)00235-X

Balthazart, J., Castagna, C., & Ball, G. F. (April 1997). Aromatase Inhibition Blocks the Activation and Sexual Differentiation of Appetitive Male Sexual Behavior in Japanese Quail. Behavioral Neuroscience, 111 (2), 381-97. doi:10.1037/0735-7044.111.2.381

Baillien, M., & Balthazart, J. (1997). A Direct Dopaminergic Control of Aromatase Activity in the Quail Preoptic Area. Journal of Steroid Biochemistry and Molecular Biology, 63 (1-3, Sep-Oct), 99-113. doi:10.1016/S0960-0760(97)00080-0

Balthazart, J., Tlemcani, O., & Ball, G. F. (December 1996). Do Sex Differences in the Brain Explain Sex Differences in the Hormonal Induction of Reproductive Behavior? What 25 Years of Research on the Japanese Quail Tells Us. Hormones and Behavior, 30 (4), 627-61. doi:10.1006/hbeh.1996.0066

Balthazart, J., Absil, P., Foidart, A., Houbart, M., Harada, N., & Ball, G. F. (October 1996). Distribution of Aromatase-Immunoreactive Cells in the Forebrain of Zebra Finches (Taeniopygia Guttata): Implications for the Neural Action of Steroids and Nuclear Definition in the Avian Hypothalamus. Journal of Neurobiology, 31 (2), 129-48. doi:10.1002/(SICI)1097-4695(199610)31:2<129::AID-NEU1>3.0.CO;2-D

Balthazart, J., Tlemcani, O., & Harada, N. (September 1996). Localization of Testosterone-Sensitive and Sexually Dimorphic Aromatase-Immunoreactive Cells in the Quail Preoptic Area. Journal of Chemical Neuroanatomy, 11 (3), 147-71. doi:10.1016/0891-0618(96)00149-4

Balthazart, J., Foidart, A., Absil, P., & Harada, N. (January 1996). Effects of Testosterone and Its Metabolites on Aromatase-Immunoreactive Cells in the Quail Brain: Relationship with the Activation of Male Reproductive Behavior. Journal of Steroid Biochemistry and Molecular Biology, 56 (1-6 Spec No), 185-200. doi:10.1016/0960-0760(95)00236-7

Foidart, A., Tlemcani, O., Harada, N., Abe-Dohmae, S., & Balthazart, J. (01 December 1995). Pre- and Post-Translational Regulation of Aromatase by Steroidal and Non-Steroidal Aromatase Inhibitors. Brain Research, 701 (1-2), 267-78. doi:10.1016/0006-8993(95)01008-0

Balthazart, J., Reid, J., Absil, P., Foidart, A., & Ball, G. F. (June 1995). Appetitive as Well as Consummatory Aspects of Male Sexual Behavior in Quail Are Activated by Androgens and Estrogens. Behavioral Neuroscience, 109 (3), 485-501. doi:10.1037/0735-7044.109.3.485

Foidart, A., & Balthazart, J. (June 1995). Sexual Differentiation of Brain and Behavior in Quail and Zebra Finches: Studies with a New Aromatase Inhibitor, R76713. Journal of Steroid Biochemistry and Molecular Biology, 53 (1-6), 267-75. doi:10.1016/0960-0760(95)00064-7

Foidart, A., Harada, N., & Balthazart, J. (June 1995). Aromatase-Immunoreactive Cells Are Present in Mouse Brain Areas That Are Known to Express High Levels of Aromatase Activity. Cell and Tissue Research, 280 (3), 561-74. doi:10.1007/BF00318360

Foidart, A., Reid, J., Absil, P., Yoshimura, N., Harada, N., & Balthazart, J. (May 1995). Critical Re-Examination of the Distribution of Aromatase-Immunoreactive Cells in the Quail Forebrain Using Antibodies Raised against Human Placental Aromatase and against the Recombinant Quail, Mouse or Human Enzyme. Journal of Chemical Neuroanatomy, 8 (4), 267-82. doi:10.1016/0891-0618(95)00054-B

Foidart, A., Legros, J.-J., & Balthazart, J. (01 December 1994). Les phéromones humaines: vestige animal ou réalité non reconnue. Revue Médicale de Liège, 49 (12), 662-80.

Foidart, A., Harada, N., & Balthazart, J. (19 September 1994). Effects of Steroidal and Non Steroidal Aromatase Inhibitors on Sexual Behavior and Aromatase-Immunoreactive Cells and Fibers in the Quail Brain. Brain Research, 657 (1-2), 105-23. doi:10.1016/0006-8993(94)90958-X

Balthazart, J., Stoop, R., Foidart, A., & Harada, N. (08 September 1994). Synergistic Control by Androgens and Estrogens of Aromatase in the Quail Brain. Neuroreport, 5 (14), 1729-32. doi:10.1097/00001756-199409080-00010

Balthazart, J., Dupiereux, V., Aste, N., Viglietti-Panzica, C., Barrese, M., & Panzica, G. C. (June 1994). Afferent and Efferent Connections of the Sexually Dimorphic Medial Preoptic Nucleus of the Male Quail Revealed by in Vitro Transport of Dii. Cell and Tissue Research, 276 (3), 455-75. doi:10.1007/BF00343944

Absil, P., & Balthazart, J. (02 May 1994). Testosterone Effects on Neurotensin-Immunoreactive Cells in the Quail Preoptic Area. Neuroreport, 5 (9), 1129-32. doi:10.1097/00001756-199405000-00027

Absil, P., & Balthazart, J. (April 1994). Sex Difference in the Neurotensin-Immunoreactive Cell Populations of the Preoptic Area in Quail (Coturnix Japonica). Cell and Tissue Research, 276 (1), 99-116. doi:10.1007/BF00354789

Foidart, A., de Clerck, A., Harada, N., & Balthazart, J. (March 1994). Aromatase-Immunoreactive Cells in the Quail Brain: Effects of Testosterone and Sex Dimorphism. Physiology and Behavior, 55 (3), 453-64. doi:10.1016/0031-9384(94)90100-7

Absil, P., Das, S., & Balthazart, J. (January 1994). Effects of Apomorphine on Sexual Behavior in Male Quail. Pharmacology, Biochemistry and Behavior, 47 (1), 77-88. doi:10.1016/0091-3057(94)90114-7

Balthazart, J., Stoop, R., Foidart, A., Granneman, J. C., & Lambert, J. G. (1994). Distribution and Regulation of Estrogen-2-Hydroxylase in the Quail Brain. Brain Research Bulletin, 35 (4), 339-45. doi:10.1016/0361-9230(94)90111-2

Bailhache, T., & Balthazart, J. (08 March 1993). The Catecholaminergic System of the Quail Brain: Immunocytochemical Studies of Dopamine Beta-Hydroxylase and Tyrosine Hydroxylase. Journal of Comparative Neurology, 329 (2), 230-56. doi:10.1002/cne.903290206

Balthazart, J., & Foidart, A. (March 1993). Brain Aromatase and the Control of Male Sexual Behavior. Journal of Steroid Biochemistry and Molecular Biology, 44 (4-6), 521-40. doi:10.1016/0960-0760(93)90256-V

Bailhache, T., Surlemont, C., & Balthazart, J. (1993). Effects of Neurochemical Lesions of the Preoptic Area on Male Sexual Behavior in the Japanese Quail. Brain Research Bulletin, 32 (3), 273-83. doi:10.1016/0361-9230(93)90188-H

Balthazart, J., De Clerck, A., & Foidart, A. (June 1992). Behavioral Demasculinization of Female Quail Is Induced by Estrogens: Studies with the New Aromatase Inhibitor, R76713. Hormones and Behavior, 26 (2), 179-203. doi:10.1016/0018-506X(92)90041-S

Balthazart, J., Foidart, A., Wilson, E. M., & Ball, G. F. (22 March 1992). Immunocytochemical Localization of Androgen Receptors in the Male Songbird and Quail Brain. Journal of Comparative Neurology, 317 (4), 407-20. doi:10.1002/cne.903170407

Balthazart, J., Foidart, A., Surlemont, C., Harada, N., & Naftolin, F. (06 March 1992). Neuroanatomical Specificity in the Autoregulation of Aromatase-Immunoreactive Neurons by Androgens and Estrogens: An Immunocytochemical Study. Brain Research, 574 (1-2), 280-90. doi:10.1016/0006-8993(92)90828-W

Balthazart, J., Foidart, A., Sante, P., & Hendrick, J. C. (February 1992). Effects of Alpha-Methyl-Para-Tyrosine on Monoamine Levels in the Japanese Quail: Sex Differences and Testosterone Effects. Brain Research Bulletin, 28 (2), 275-88. doi:10.1016/0361-9230(92)90189-5

Balthazart, J., Surlemont, C., & Harada, N. (February 1992). Aromatase as a Cellular Marker of Testosterone Action in the Preoptic Area. Physiology and Behavior, 51 (2), 395-409. doi:10.1016/0031-9384(92)90158-X

Balthazart, J., Sante, P., & Ball, G. F. (December 1991). Testosterone Effects on Staining Density and Autoradiographic Investigations of the Alpha 2-Adrenergic Receptor in the Medial Preoptic Nucleus of the Japanese Quail: Relationship to the Activation of Reproductive Behavior. Archives Internationales de Physiologie, de Biochimie et de Biophysique, 99 (6), 385-92.

Balthazart, J., Foidart, A., Surlemont, C., & Harada, N. (March 1991). Neuroanatomical Specificity in the Co-Localization of Aromatase and Estrogen Receptors. Journal of Neurobiology, 22 (2), 143-57. doi:10.1002/neu.480220205

Balthazart, J. (1991). Testosterone Metabolism in the Avian Hypothalamus. Journal of Steroid Biochemistry and Molecular Biology, 40 (4-6), 557-70. doi:10.1016/0960-0760(91)90277-C

Balthazart, J., Foidart, A., Surlemont, C., & Harada, N. (January 1991). Distribution of Aromatase-Immunoreactive Cells in the Mouse Forebrain. Cell and Tissue Research, 263 (1), 71-9. doi:10.1007/BF00318401

Balthazart, J., Evrard, L., & Surlemont, C. (December 1990). Effects of the Nonsteroidal Inhibitor R76713 on Testosterone-Induced Sexual Behavior in the Japanese Quail (Coturnix Coturnix Japonica). Hormones and Behavior, 24 (4), 510-31. doi:10.1016/0018-506X(90)90039-Z

Balthazart, J., Foidart, A., Surlemont, C., Vockel, A., & Harada, N. (08 November 1990). Distribution of Aromatase in the Brain of the Japanese Quail, Ring Dove, and Zebra Finch: An Immunocytochemical Study. Journal of Comparative Neurology, 301 (2), 276-88. doi:10.1002/cne.903010210

Balthazart, J., & Surlemont, C. (November 1990). Androgen and Estrogen Action in the Preoptic Area and Activation of Copulatory Behavior in Quail. Physiology and Behavior, 48 (5), 599-609. doi:10.1016/0031-9384(90)90198-D

Balthazart, J., & Surlemont, C. (July 1990). Copulatory Behavior Is Controlled by the Sexually Dimorphic Nucleus of the Quail Poa. Brain Research Bulletin, 25 (1), 7-14. doi:10.1016/0361-9230(90)90246-V

Vockel, A., Prove, E., & Balthazart, J. (July 1990). Effects of Castration and Testosterone Treatment on the Activity of Testosterone-Metabolizing Enzymes in the Brain of Male and Female Zebra Finches. Journal of Neurobiology, 21 (5), 808-25. doi:10.1002/neu.480210514

Balthazart, J., Foidart, A., & Harada, N. (30 April 1990). Immunocytochemical Localization of Aromatase in the Brain. Brain Research, 514 (2), 327-33. doi:10.1016/0006-8993(90)91428-J

Balthazart, J., Foidart, A., & Hendrick, J. C. (January 1990). The Induction by Testosterone of Aromatase Activity in the Preoptic Area and Activation of Copulatory Behavior. Physiology and Behavior, 47 (1), 83-94. doi:10.1016/0031-9384(90)90045-6

Balthazart, J. (December 1989). Correlation between the Sexually Dimorphic Aromatase of the Preoptic Area and Sexual Behavior in Quail: Effects of Neonatal Manipulations of the Hormonal Milieu. Archives Internationales de Physiologie et de Biochimie, 97 (6), 465-81. doi:10.3109/13813458909075078

Balthazart, J., Ball, G. F., & McEwen, B. S. (December 1989). An Autoradiographic Study of Alpha 1-Adrenergic Receptors in the Brain of the Japanese Quail (Coturnix Coturnix Japonica). Cell and Tissue Research, 258 (3), 563-8. doi:10.1007/BF00218868

Balthazart, J., Gahr, M., & Surlemont, C. (06 November 1989). Distribution of Estrogen Receptors in the Brain of the Japanese Quail: An Immunocytochemical Study. Brain Research, 501 (2), 205-14. doi:10.1016/0006-8993(89)90638-0

Balthazart, J., & Ball, G. F. (17 July 1989). Effects of the Noradrenergic Neurotoxin Dsp-4 on Luteinizing Hormone Levels, Catecholamine Concentrations, Alpha 2-Adrenergic Receptor Binding, and Aromatase Activity in the Brain of the Japanese Quail. Brain Research, 492 (1-2), 163-75. doi:10.1016/0006-8993(89)90899-8

Ball, G. F., Foidart, A., & Balthazart, J. (July 1989). A Dorsomedial Subdivision within the Nucleus Intercollicularis Identified in the Japanese Quail (Coturnix Coturnix Japonica) by Means of Alpha 2-Adrenergic Receptor Autoradiography and Estrogen Receptor Immunohistochemistry. Cell and Tissue Research, 257 (1), 123-8. doi:10.1007/BF00221641

Schumacher, M., Hendrick, J. C., & Balthazart, J. (March 1989). Sexual Differentiation in Quail: Critical Period and Hormonal Specificity. Hormones and Behavior, 23 (1), 130-49. doi:10.1016/0018-506X(89)90080-9

Balthazart, J., Verheyen, G., Schumacher, M., & Decuypere, E. (November 1988). Changes in Progesterone Metabolism in the Chicken Hypothalamus During Induced Egg Laying Stop and Molting. General and Comparative Endocrinology, 72 (2), 282-95. doi:10.1016/0016-6480(88)90211-0

Schumacher, M., Sulon, J., & Balthazart, J. (July 1988). Changes in Serum Concentrations of Steroids During Embryonic and Post-Hatching Development of Male and Female Japanese Quail (Coturnix Coturnix Japonica). Journal of Endocrinology, 118 (1), 127-34. doi:10.1677/joe.0.1180127

Schumacher, M., & Balthazart, J. (29 September 1987). Neuroanatomical Distribution of Testosterone-Metabolizing Enzymes in the Japanese Quail. Brain Research, 422 (1), 137-48. doi:10.1016/0006-8993(87)90548-8

Deviche, P., Delville, Y., & Balthazart, J. (22 September 1987). Central and Peripheral Metabolism of 5 Alpha-Dihydrotestosterone in the Male Japanese Quail: Biochemical Characterization and Relationship with Reproductive Behavior. Brain Research, 421 (1-2), 105-16. doi:10.1016/0006-8993(87)91280-7

Delville, Y., & Balthazart, J. (September 1987). Hormonal Control of Female Sexual Behavior in the Japanese Quail. Hormones and Behavior, 21 (3), 288-309. doi:10.1016/0018-506X(87)90016-X

Schumacher, M., Legros, J.-J., & Balthazart, J. (September 1987). Steroid Hormones, Behavior and Sexual Dimorphism in Animals and Men: The Nature-Nurture Controversy. Experimental and Clinical Endocrinology, 90 (2), 129-56. doi:10.1055/s-0029-1210684

Alexandre, C., & Balthazart, J. (1987). Inhibition of testosterone metabolism in the brain and cloacal gland of the quail by specific inhibitors and antihormones. Journal of Endocrinology, 112 (2), 189-95. doi:10.1677/joe.0.1120189

Deviche, P., & Balthazart, J. (1987). Effect of the injection solvent on steroid activity. General and Comparative Endocrinology, 65 (2), 199-202. doi:10.1016/0016-6480(87)90166-3

Panzica, G. C., Viglietti-Panzica, C., Calacagni, M., Anselmetti, G. C., Schumacher, M., & Balthazart, J. (1987). Sexual differentiation and hormonal control of the sexually dimorphic medial preoptic nucleus in the quail. Brain Research, 416 (1), 59-68. doi:10.1016/0006-8993(87)91496-X

Schumacher, M., Alexandre, C., & Balthazart, J. (1987). Interactions des androgenes et des oestrogenes dans le controle de la reproduction. Comptes Rendus de l'Académie des Sciences. Série III. Sciences de la Vie, 305 (14), 569-74.

Alexandre, C., & Balthazart, J. (1986). Effects of metabolism inhibitors, antiestrogens and antiandrogens on the androgen and estrogen induced sexual behavior in Japanese quail. Physiology and Behavior, 38 (4), 581-91. doi:10.1016/0031-9384(86)90429-4

Balthazart, J., Devos, F., Dohet, A., Froidart, A., Hugla, J.-L., Radermaker, F., & Schumacher, M. (1986). The induction of aromatase and sexual behaviour by testosterone in male and female japanese quail: a dose-response study. IRCS Medical Science, 14, 1188 - 1189.

Balthazart, J., & Schumacher, M. (1986). A two-step model for sexual differentiation. Annals of the New York Academy of Sciences, 474, 308-24. doi:10.1111/j.1749-6632.1986.tb28021.x

Balthazart, J., Schumacher, M., & Prove, E. (1986). Brain testosterone metabolism during ontogeny in the zebra finch. Brain Research, 378 (2), 240-50. doi:10.1016/0006-8993(86)90927-3

Delville, Y., Sulon, J., & Balthazart, J. (1986). Diurnal variations of sexual receptivity in the female Japanese quail (Coturnix coturnix japonica). Hormones and Behavior, 20 (1), 13-33. doi:10.1016/0018-506X(86)90026-7

Ottinger, M. A., & Balthazart, J. (1986). Altered endocrine and behavioral responses with reproductive aging in the male Japanese quail. Hormones and Behavior, 20 (1), 83-94. doi:10.1016/0018-506X(86)90031-0

Ottinger, M. A., Schumacher, M., Clarke, R. N., Duchala, C. S., Turek, R., & Balthazart, J. (1986). Comparison of monoamine concentrations in the brains of adult male and female Japanese quail. Poultry Science, 65 (7), 1413-20. doi:10.3382/ps.0651413

Rintamaki, H., Hissa, R., Etches, R. J., Scanes, C. G., Balthazart, J., & Saarela, S. (1986). Seasonal changes in some plasma hormones in pigeons: diurnal variation under natural photoperiods with constant or seasonally changing ambient temperature. Comparative Biochemistry and Physiology, 84 (1), 33-8. doi:10.1016/0300-9629(86)90038-1

Saarela, S., Hissa, R., Etches, R., Balthazart, J., & Rintamaki, H. (1986). Seasonal changes in some plasma hormones in pigeons from different environments. Comparative Biochemistry and Physiology, 84 (1), 25-31. doi:10.1016/0300-9629(86)90037-X

Schumacher, M., & Balthazart, J. (1986). Testosterone-induced brain aromatase is sexually dimorphic. Brain Research, 370 (2), 285-93. doi:10.1016/0006-8993(86)90483-X

Viglietti-Panzica, C., Panzica, G. C., Fiori, M. G., Calcagni, M., Anselmetti, G. C., & Balthazart, J. (1986). A sexually dimorphic nucleus in the quail preoptic area. Neuroscience Letters, 64 (2), 129-34. doi:10.1016/0304-3940(86)90087-X

Balthazart, J., Schumacher, M., & Malacarne, G. (1985). Interaction of androgens and estrogens in the control of sexual behavior in male Japanese quail. Physiology and Behavior, 35 (2), 157-66. doi:10.1016/0031-9384(85)90330-0

Delville, Y., Sulon, J., & Balthazart, J. (1985). Hormonal correlates of gonadal regression and spontaneous recovery in Japanese quail exposed to short day-lengths. Archives Internationales de Physiologie et de Biochimie, 93 (2), 123-33. doi:10.3109/13813458509079598

Balthazart, J., & Schumacher, M. (1984). Organization and activation of behavior in quail: role of testosterone metabolism. Journal of Experimental Zoology, 232 (3), 595-604. doi:10.1002/jez.1402320328

Balthazart, J., & Schumacher, M. (1984). Estradiol contributes to the postnatal demasculinization of female Japanese quail (Coturnix coturnix japonica). Hormones and Behavior, 18 (3), 287-97. doi:10.1016/0018-506X(84)90017-5

Balthazart, J., & Schumacher, M. (1984). Changes in testosterone metabolism by the brain and cloacal gland during sexual maturation in the Japanese quail (Coturnix coturnix japonica). Journal of Endocrinology, 100 (1), 13-8. doi:10.1677/joe.0.1000013

Balthazart, J., Schumacher, M., & Malacarne, G. (1984). Relative potencies of testosterone and 5 alpha-dihydrotestosterone on crowing and cloacal gland growth in the Japanese quail (Coturnix coturnix japonica). Journal of Endocrinology, 100 (1), 19-23. doi:10.1677/joe.0.1000019

Balthazart, J., Turek, R., & Ottinger, M. A. (1984). Altered brain metabolism of testosterone is correlated with reproductive decline in aging quail. Hormones and Behavior, 18 (3), 330-45. doi:10.1016/0018-506X(84)90020-5

Delville, Y., Hendrick, J. C., Sulon, J., & Balthazart, J. (1984). Testosterone metabolism and testosterone-dependent characteristics in Japanese quail. Physiology and Behavior, 33 (5), 817-23. doi:10.1016/0031-9384(84)90053-2

Delville, Y., Sulon, J., Hendrick, J. C., & Balthazart, J. (1984). Effect of the presence of females on the pituitary-testicular activity in male Japanese quail (Coturnix coturnix japonica). General and Comparative Endocrinology, 55 (2), 295-305. doi:10.1016/0016-6480(84)90115-1

Rintamaki, H., Hissa, R., Balthazart, J., & Scanes, C. G. (1984). The effect of pinealectomy on plasma levels of gonadotrophins and growth hormone in the pigeon (Columba livia). Journal of Pineal Research, 1 (4), 381-9. doi:10.1111/j.1600-079X.1984.tb00228.x

Schumacher, M., & Balthazart, J. (1984). The postnatal demasculinization of sexual behavior in the Japanese quail (Coturnix coturnix japonica). Hormones and Behavior, 18 (3), 298-312. doi:10.1016/0018-506X(84)90018-7

Schumacher, M., & Balthazart, J. (1984). Sexual dimorphism in the hypothalamic metabolism of testosterone in the Japanese Quail (Coturnix coturnix japonica). Progress in Brain Research, 61, 53-61. doi:10.1016/S0079-6123(08)64428-3

Schumacher, M., Contenti, E., & Balthazart, J. (1984). Partial characterization of testosterone-metabolizing enzymes in the quail brain. Brain Research, 305 (1), 51-9. doi:10.1016/0006-8993(84)91118-1

Balthazart, J., Schumacher, M., & Ottinger, M. A. (1983). Sexual differences in the Japanese quail: behavior, morphology, and intracellular metabolism of testosterone. General and Comparative Endocrinology, 51 (2), 191-207. doi:10.1016/0016-6480(83)90072-2

Hissa, R., Saarela, S., Balthazart, J., & Etches, R. J. (1983). Annual variation in the concentrations of circulating hormones in capercaillie (Tetrao urogallus). General and Comparative Endocrinology, 51 (2), 183-90. doi:10.1016/0016-6480(83)90071-0

Schumacher, M., & Balthazart, J. (1983). The effects of testosterone and its metabolites on sexual behavior and morphology in male and female Japanese quail. Physiology and Behavior, 30 (3), 335-9. doi:10.1016/0031-9384(83)90135-X

Schumacher, M., & Balthazart, J. (1983). Effects of castration on postnatal differentiation in the Japanese quail (Coturnix coturnix japonica). IRCS Medical Science, 11, 102 - 103.

Schumacher, M., Contenti, E., & Balthazart, J. (1983). Testosterone metabolism in discrete areas of the hypothalamus and adjacent brain regions of male and female Japanese quail (Coturnix coturnix Japonica). Brain Research, 278 (1-2), 337-40. doi:10.1016/0006-8993(83)90267-6

Balthazart, J., & Hirschberg, D. (1982). Effect of several androgens on testosterone metabolism in the brain and crest of male chicks. IRCS Medical Science, 10, 377 - 378.

Cheng, M. F., & Balthazart, J. (1982). The role of nest-building activity of gonadotrophin secretions and the reproductive success of ring doves (Streptopelia risoria). Journal of Comparative and Physiological Psychology, 96 (2), 307-24. doi:10.1037/h0077875

Deviche, P., Balthazart, J., Malacarne, G., & Hendrick, J. C. (1982). Effects of in vivo corticosterone treatment on the in vitro metabolism of testosterone in the comb and brain of the young male chicken. General and Comparative Endocrinology, 48 (3), 398-402. doi:10.1016/0016-6480(82)90152-6

Deviche, P., Bottoni, L., & Balthazart, J. (1982). 5 beta-Dihydrotestosterone is weakly androgenic in the adult Japanese quail (Coturnix coturnix japonica). General and Comparative Endocrinology, 48 (4), 421-4. doi:10.1016/0016-6480(82)90176-9

Balthazart, J., Balthazart-Raze, C., & Cheng, M. F. (1981). Hormonal control of the gonadal regression and recovery observed in short days in male and female doves. Journal of Endocrinology, 89 (1), 79-89. doi:10.1677/joe.0.0890079

Balthazart, J., Malacarne, G., & Deviche, P. (1981). Stimulatory effects of 5 beta-dihydrotestosterone on the sexual behavior in the domestic chick. Hormones and Behavior, 15 (3), 246-58. doi:10.1016/0018-506X(81)90014-3

Balthazart, J., Reboulleau, C., & Cheng, M. F. (1981). Diurnal variations of plasma FSH, LH, and testosterone in male ring doves kept under different photoperiods. General and Comparative Endocrinology, 44 (2), 202-6. doi:10.1016/0016-6480(81)90249-5

Scanes, C. G., & Balthazart, J. (1981). Circulating concentrations of growth hormone during growth, maturation, and reproductive cycles in ring doves (Streptopelia risoria). General and Comparative Endocrinology, 45 (3), 381-5. doi:10.1016/0016-6480(81)90078-2

Balthazart, J., Blaustein, J. D., Cheng, M. F., & Feder, H. H. (1980). Hormones modulate the concentration of cytoplasmic progestin receptors in the brain of male ring doves (Streptopelia risoria). Journal of Endocrinology, 86 (2), 251-61. doi:10.1677/joe.0.0860251

Balthazart, J., Willems, J., & Hendricks, J. C. (1980). Changes in pituitary responsiveness to luteinizing hormone-releasing hormone during an annual cycle in the domestic duck, Anas platyrhynchos L. Journal of Experimental Zoology, 211 (1), 113-23. doi:10.1002/jez.1402110113

Cheng, M. F., Barbiere, C., & Balthazart, J. (1980). Short day induced gonadal regression in ring doves (Streptopelia risoria): a case for seasonal variation. Chronobiologia, 7 (3), 357-70.

Deviche, P., Balthazart, J., Heyns, W., & Hendrick, J. C. (1980). Endocrine effects of castration followed by androgen replacement and ACTH injections in the male domestic duck (Anas platyrhynchos L.). General and Comparative Endocrinology, 41 (1), 53-61. doi:10.1016/0016-6480(80)90031-3

Balthazart, J., & de Rycker, C. (1979). Effects of androgens and oestrogens on the behaviour of chicks in an imprinting situation. Zeitschrift für Tierpsychologie, 49 (1), 55-64. doi:10.1111/j.1439-0310.1979.tb00273.x

Balthazart, J., & Hendrick, J. C. (1979). Effects of exogenous gonadotropic and steroid hormones on the social behaviour and gonadal maturation of male domestic ducklings Anas platyrhynchos L. Archives Internationales de Physiologie et de Biochimie, 87 (4), 741-61. doi:10.3109/13813457909070533

Balthazart, J., & Hirschberg, D. (1979). Testosterone metabolism and sexual behavior in the chick. Hormones and Behavior, 12 (3), 253-63. doi:10.1016/0018-506X(79)90008-4

Balthazart, J., Massa, R., & Negri-Cesi, P. (1979). Photoperiodic control of testosterone metabolism, plasma gonadotrophins, cloacal gland growth, and reproductive behavior in the Japanese quail. General and Comparative Endocrinology, 39 (2), 222-35. doi:10.1016/0016-6480(79)90227-2

Balthazart, J., & Schoffeniels, E. (1979). Pheromones are involved in the control of sexual behaviour in birds. Naturwissenschaften (Die), 66 (1), 55-6. doi:10.1007/BF00369365

Balthazart, J. (1978). Behavioural and physiological effects of testosterone propionate and cyproterone acetate in immature male domestic ducks, Anas platyrhynchos. Zeitschrift für Tierpsychologie, 47 (4), 410-21. doi:10.1111/j.1439-0310.1978.tb01845.x

Balthazart, J., & Hendrick, J. C. (1978). Steroidal control of plasma luteiyizing hormone, comb growth and sexual behaviour in male chicks. Journal of Endocrinology, 77 (1), 149-50. doi:10.1677/joe.0.0770149

Balthazart, J., & Hendrick, J. C. (1977). Controle hormonal du comportement et de la croissance testiculaire chez la caille coturnix corturnix japonica. Comptes Rendus Biologies, 171 (3), 656-63.

Balthazart, J., Hendrick, J. C., & Deviche, P. (1977). Diurnal variations of plasma gonadotrophins in male domestic ducks during the sexual cycle. General and Comparative Endocrinology, 32 (4), 376-89. doi:10.1016/0016-6480(77)90217-9

Balthazart, J., & Hendrick, J. (1976). Annual variation in reproductive behavior, testosterone, and plasma FSH levels in the Rouen duck, Anas platyrhynchos. General and Comparative Endocrinology, 28 (2), 171-83. doi:10.1016/0016-6480(76)90169-6

Balthazart, J., & Stevens, M. (1976). Social behaviour of testosterone-injected male ducklings in the presence of oestrogen-treated females. Behaviour, 57 (3-4), 288-306. doi:10.1163/156853976X00578

Balthazart, J., & Stevens, M. (1975). Effects of testosterone propionate on the social behaviour of groups of male comestic ducklings Anas platyrhynchos L. Animal Behaviour, 23 (4), 926-31. doi:10.1016/0003-3472(75)90116-5

Balthazart, J. (1974). Non-stationnarite et aspects fonctionnels du comportement agonistique chez Tilapia macrochir (Boulenger 1912) (Piscer: Cichlidae). Acta Zoologica et Pathologica Antverpiensia, 58 (0), 29-40.

Croix, D., Hendrick, J. C., Balthazart, J., & Franchimont, P. (1974). Dosage radioimmunologique de l'hormone folliculo-stimulante (FSH) hypophysaire de canard a l'aide d'un systeme de mammiferes. Comptes Rendus des Séances de la Société de Biologie et de ses Filiales, 168 (1), 136-40.