Article (Scientific journals)
Effects of a novel partner and sexual satiety on the expression of male sexual behavior and brain aromatase activity in quail.
de Bournonville, Catherine; Schmit, Mélanie; Telle, Maxime et al.
2019In Behavioural Brain Research, 359, p. 502-515
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Keywords :
Appetitive sexual behavior; Consummatory sexual behavior; Sexual experience; Sexual satiety; Coolidge effect; Brain estrogen synthesis
Abstract :
[en] This study was designed to determine whether changes in sexual motivation acutely regulate brain estrogen synthesis by aromatase. Five experiments (Exp.1–5) were first conducted to determine the effect of recent mating and of the presentation of a new female (Coolidge effect) on sexual motivation. Exp.1–2 showed that 10 min or overnight access to copulation decreases measures of male sexual motivation when male subjects were visually exposed to the female they had copulated with and this effect is not counteracted by the view of a new female. Exp.3 showed that sexual motivation is revived by the view of a new female in previously unmated males only allowed to see another female for 10 min. After mating for 10 min (Exp.4) or overnight (Exp.5) with a female, males showed a decrease in copulatory behavior that was not reversed by access to a new female. Exp.6 and 7 confirmed that overnight copulation (Exp.6) and view of a novel female (Exp.7) respectively decreases and increases sexual behavior and motivation. Yet, these manipulations did not affect brain aromatase activity except in the tuberal hypothalamus. Together these data confirm that copulation or prolonged view of a female de- crease sexual motivation but a reactivation of sexual motivation by a new female can only be obtained if males had only seen another female but not copulated with her, which is different in some degree from the Coolidge effect described in rodents. Moreover changes in brain aromatase do not simply reflect changes in motivation and more complex mechanisms must be considered.
Research center :
Giga-Neurosciences - ULiège
Disciplines :
Neurosciences & behavior
Author, co-author :
de Bournonville, Catherine ;  Université de Liège - ULiège > Doct. sc. bioméd. & pharma. (Bologne)
Schmit, Mélanie
Telle, Maxime
Court, Lucas 
Ball, Gregory
Balthazart, Jacques  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Département des sciences biomédicales et précliniques
Cornil, Charlotte  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie de la différenciation sexuelle du cerveau
Language :
English
Title :
Effects of a novel partner and sexual satiety on the expression of male sexual behavior and brain aromatase activity in quail.
Publication date :
2019
Journal title :
Behavioural Brain Research
ISSN :
0166-4328
eISSN :
1872-7549
Publisher :
Elsevier, Netherlands
Volume :
359
Pages :
502-515
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
NIH - National Institutes of Health [US-MD]
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 04 January 2019

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