Profil

Talwar Puneet

GIGA Neurosciences - Aging & Memory

Département de Biologie, Ecologie et Evolution

See author's contact details
ORCID
0000-0001-7631-7926
Main Referenced Co-authors
Vandewalle, Gilles  (43)
Mortazavi, Nasrin  (37)
Koshmanova, Ekaterina  (30)
Beckers, Elise  (27)
Collette, Fabienne  (24)
Main Referenced Keywords
Humans (3); locus coeruleus (2); Neurology (2); Neurology (clinical) (2); Adult (1);
Main Referenced Unit & Research Centers
GIGA CRC (Cyclotron Research Center) In vivo Imaging-Aging & Memory - ULiège (3)
GIGA-SLEEP - GIGA CRC In vivo Imaging-Sleep and chronobiology - ULiège (3)
GIGA-CRC-Human Imaging (2)
GIGA-In Vivo Imaging (2)
Main Referenced Disciplines
Neurosciences & behavior (22)
Neurology (11)
Human health sciences: Multidisciplinary, general & others (6)
Life sciences: Multidisciplinary, general & others (6)
Laboratory medicine & medical technology (1)

Publications (total 45)

The most downloaded
637 downloads
Tahmasian, M., Aleman, A., Andreassen, O. A., Arab, Z., Baillet, M., Benedetti, F., Bresser, T., Bright, J., Chee, M. W. L., Chylinski, D., Cheng, W., Deantoni, M., Dresler, M., Eickhoff, S. B., Eickhoff, C. R., Elvsåshagen, T., Feng, J., Foster-Dingley, J. C., Ganjgahi, H., ... Zarei, M. (April 2021). ENIGMA-Sleep: Challenges, opportunities, and the road map. Journal of Sleep Research, e13347. doi:10.1111/jsr.13347 https://hdl.handle.net/2268/261507

The most cited

113 citations (OpenAlex)

Talwar, P.* , Kushwaha, S.* , Chaturvedi, M., & Mahajan, V. (December 2021). Systematic Review of Different Neuroimaging Correlates in Mild Cognitive Impairment and Alzheimer's Disease. Clinical Neuroradiology, 31 (4), 953 - 967. doi:10.1007/s00062-021-01057-7 https://hdl.handle.net/2268/321057

Zubkov, M., Pine, K., Bazin, P. L., Talwar, P., Mortazavi, N., Dauby, S., Geron, C., Beckers, E., Lamalle, L., Phillips, C., Collette, F., Maquet, P., Lommers, E., Alkemade, A., Weiskopf, N., Vandewalle, G., & Kirilina, E. (2026). Pooling quantitative MRI data: A multi-protocol study of healthy subcortical ageing. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/340098. doi:10.64898/2026.01.07.698256

Sharifpour, R., Campbell, I., Balda, F., Paparella, I., Beckers, E., Mortazavi, N., Collette, F., Phillips, C., Talwar, P., Lamalle, L., Zubkov, M., & Vandewalle, G. (2026). Regional Hypothalamic Responses to Light Vary Across Developmental Stages but Remain Stable with Time of Day. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/340099. doi:10.64898/2026.01.05.697645

Talwar, P., Mortazavi, N., KOSHMANOVA, E., Muto, V., Gasparello, A., Degueldre, C., Berthomier, C., Collette, F., Bastin, C., Phillips, C., Maquet, P., Zubkov, M., & Vandewalle, G. (2025). Age-Related Differences in the Association between REM Sleep and the Polygenic Risk for Parkinson's Disease. Annals of Neurology. doi:10.1002/ana.78112
Peer Reviewed verified by ORBi

Campbell, I.* , Balda Aizpurua, J.* , Sharifpour, R., Paparella, I., Beckers, E., Mortazavi, N., Read, J., Phillips, C., Collette, F., Talwar, P., Lamalle, L., Zubkov, M., & Vandewalle, G. (2025). Regional activity within the human amygdala varies with season, mood and illuminance. Nature Communications. doi:10.1038/s41467-025-67715-3
Peer Reviewed verified by ORBi
* These authors have contributed equally to this work.

Mortazavi, N., Zubkov, M., Chylinski, D., Collette, F., Bastin, C., Maquet, P., Vandewalle, G., & Talwar, P. (2025). Sleep arousals are associated with the polygenic risk for developing Alzheimer's disease and with cognitive decline in healthy late middle-aged individuals. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/340097. doi:10.1101/2025.11.11.687823

Gasparello, A., Talwar, P., Mortazavi, N., Collette, F., Lamalle, L., Zubkov, M., Schmidt, C., & Vandewalle, G. (20 October 2025). In vivo investigation of the links between Locus Coeruleus integrity and sleep-related variables in humans using 7 Tesla MRI [Paper presentation]. 16th Belgian Society for Neuroscience (BSN) Meeting, Leuven, Belgium.

Seret, E., Gasparello, A., Talwar, P., Mortazavi, N., Collette, F., Lamalle, L., Zubkov, M., Schmidt, C., & Vandewalle, G. (October 2025). Locus coeruleus activity is positively associated with spindles number in men [Poster presentation]. 16th Belgian Society for Neuroscience Meeting, Leuven, Belgium.
Peer reviewed

Mortazavi, N., Talwar, P., KOSHMANOVA, E., Sharifpour, R., Beckers, E., Paparella, I., Balda, F., Bastin, C., Collette, F., Lamalle, L., Phillips, C., Zubkov, M., & Vandewalle, G. (26 September 2025). The Crosstalk Between the Anterior Hypothalamus and the Locus Coeruleus During Wakefulness Is Associated with Low-Frequency Oscillations Power During Sleep. Clocks and Sleep, 7 (4), 53. doi:10.3390/clockssleep7040053
Peer Reviewed verified by ORBi

Gasparello, A., Zubkov, M., Talwar, P., Patino Rana, D., Hammad, G., Mortazavi, N., Seret, E., Lamalle, L., Collette, F., Schmidt, C., & Vandewalle, G. (12 September 2025). Pre-clinical manifestations of Parkinson's disease: Locus coeruleus, sleep, and cognition [Poster presentation]. GIGA Day 2025, Liège, Belgium.

Spruyt, M., Mortazavi, N., Talwar, P., Beckers, E., Gasparello, A., Zubkov, M., & Vandewalle, G. (07 June 2025). Association of REM Sleep Quality and Tonic Activity of the Locus Coeruleus: Evidence from an Augmented Dataset [Paper presentation]. Belgian Association for Psychological Sciences (BAPS), Bruxelles, Belgium.

Sharifpour, R., Campbell, I., Paparella, I., Balda, F., Beckers, E., Mortazavi, N., KOSHMANOVA, E., Read, J., Collette, F., Phillips, C., Talwar, P., Lamalle, L., Zubkov, M., & Vandewalle, G. (2025). Light Impact on Thalamo-Cortical Connectivity During an Executive Cognitive Task: Effects of Time of Day and Specificities of Teenagers. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/340100. doi:10.1101/2025.04.03.647005

Mortazavi, N., Talwar, P., Koshmanova, E., Sharifpour, R., Beckers, E., Berger, A., Campbell, I., Paparella, I., Balda Aizpurua, F., Dardour Hamzaoui, I., Berthomier, C., Bastin, C., Phillips, C., Maquet, P., Collette, F., Zubkov, M., Lamalle, L., & Vandewalle, G. (11 March 2025). REM sleep quality is associated with balanced tonic activity of the locus coeruleus during wakefulness. Journal of Biomedical Science, 32 (1). doi:10.1186/s12929-025-01127-9
Peer Reviewed verified by ORBi

Talwar, P., Mortazavi, N., KOSHMANOVA, E., Muto, V., Degueldre, C., Berthomier, C., Collette, F., Bastin, C., Phillips, C., Maquet, P., Vandewalle, G., & Zubkov, M. (2025). Age-related differences in the association between REM sleep and the polygenic risk for Parkinson’s disease. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/334650. doi:10.1101/2025.02.05.636657

Balda Aizpurua, F., Sharifpour, R., Beckers, E., Letot, S., Campbell, I., Berger, A., Mortazavi, N., Koshmanova, E., Talwar, P., Lamalle, L., Zubkov, M., & Vandewalle, G. (2025). Impact of Light Illuminance on Locus Coeruleus Activity during an auditory Emotional Task: Insights from High-Resolution MRI Imaging [Poster presentation]. Marbel 2025.

Zubkov, M., Pine, K., Bazin, P.-L., Talwar, P., Mortazavi, N., Dauby, S., Geron, C., Beckers, E., Lamalle, L., Phillips, C., Collette, F., Maquet, P., Lommers, E., Alkemade, A., Weiskopf, N., Kirilina, E., & Vandewalle, G. (2025). To Pool or Not to Pool? Comparability of Multi-Protocol Ultra-High-Resolution qMRI in Healthy Brain Aging [Paper presentation]. ESMRMB 41st Annual Scientific Meeting, Marseille, France.
Peer reviewed

Patino Rana, D., Talwar, P., Zubkov, M., Gasparello, A., Mortazavi, N., Beckers, E., Robert, A., Schmidt, C., Hammad, G., & Vandewalle, G. (2025). FRACTALz- Fractal Dynamics as a Diagnostic Tool in Alzheimer’s Disease [Poster presentation]. MaRBEL congress, Liège, Belgium.
Peer reviewed

Gasparello, A., Talwar, P., Zubkov, M., Beckers, E., Mortazavi, N., Hammad, G., Spruyt, M., Patino Rana, D., Schmidt, C., & Vandewalle, G. (2025). Pre-clinical manifestations of Parkinson’s disease: Locus coeruleus, sleep, genetics and cognition [Poster presentation]. MaRBEL congress, Liège, Belgium.
Peer reviewed

Talwar, P., Mortazavi, N., Koshmanova, E., Collette, F., Maquet, P., Phillips, C., & Vandewalle, G. (27 September 2024). Age related changes in the association between REM sleep and the polygenic risk for Parkinson’s disease [Poster presentation]. 27th Congress of the European Sleep Research Society, Seville, Spain.
Peer reviewed

Mortazavi, N., Talwar, P., Koshmanova, E., Sharifpour, R., Beckers, E., Berger, A., Campbell, I., Paparella, I., Balda Aizpurua, F., Zubkov, M., Lamalle, L., & Vandewalle, G. (25 September 2024). Locus coeruleus activity during wakefulness is associated with sigma power prior to REM sleep [Poster presentation]. The 27th Conference of the European Sleep Research Society (ESRS), Seville, Spain.
Peer reviewed

Talwar, P., Mortazavi, N., Koshmanova, E., Collette, F., Maquet, P., Phillips, C., & Vandewalle, G. (13 September 2024). Age-related changes in the association between REM sleep and the polygenic risk for Parkinson’s disease [Poster presentation]. GIGA DAY, Liege, Belgium.
Peer reviewed

Mortazavi, N., Koshmanova, E., Sharifpour, R., Berger, A., Beckers, E., Campbell, I., Paparella, I., Balda Aizpurua, F., Lamalle, L., Talwar, P., Sherif, S., & Vandewalle, G. (13 September 2024). Locus Coeruleus Activity during Wake Is Associated with Rapid Eye Movement Sleep Intensity [Poster presentation]. GIGA DAY, Liege, Belgium.
Peer reviewed

Mortazavi, N., Koshmanova, E., Sharifpour, R., Berger, A., Beckers, E., Campbell, I., Paparella, I., Balda Aizpurua, F., Lamalle, L., Talwar, P., Sherif, S., & Vandewalle, G. (23 June 2024). Locus Coeruleus Activity during Wake Is Associated with Rapid Eye Movement Sleep Intensity [Poster presentation]. Organization for Human Brain Mapping (OHBM), Seoul, South Korea.
Peer reviewed

Campbell, I., Sharifpour, R., Balda Aizpurua, F., Beckers, E., Paparella, I., Berger, A., Koshmanova, E., Mortazavi, N., Read, J., Zubkov, M., Talwar, P., Collette, F., Sherif, S., Phillips, C., Lamalle, L., & Vandewalle, G. (2024). Regional response to light illuminance across the human hypothalamus. eLife. doi:10.7554/eLife.96576
Peer Reviewed verified by ORBi

Zubkov, M., Pine, K., Bazin, P.-L., Mortazavi, N., Sherif, S., Talwar, P., Lamalle, L., Phillips, C., Collette, F., Alkemade, A., Kirilina, E., Weiskopf, N., & Vandewalle, G. (2024). R2* age variations in subcortical structures in young adults at 7T [Paper presentation]. 2024 OHBM Annual Meeting, Seoul, South Korea.
Peer reviewed

Beckers, E., Campbell, I., Sharifpour, R., Paparella, I., Berger, A., Balda Aizpurua, F., Koshmanova, E., Mortazavi, N., Talwar, P., Sherif, S., Jacobs, H. I. L., & Vandewalle, G. (2024). Impact of repeated short light exposures on sustained pupil responses in an fMRI environment. Journal of Sleep Research, 14085. doi:10.1111/jsr.14085
Peer Reviewed verified by ORBi

Talwar, P., Deantoni, M., Van Egroo, M., Muto, V., Chylinski, D., Koshmanova, E., Jaspar, M., Meyer, C., Degueldre, C., Berthomier, C., Luxen, A., Salmon, E., Collette, F., Dijk, D.-J., Schmidt, C., Phillips, C., Maquet, P., Sherif, S., & Vandewalle, G. (27 November 2023). In vivo marker of brainstem myelin is associated to quantitative sleep parameters in healthy young men. Scientific Reports, 13 (1), 20873. doi:10.1038/s41598-023-47753-x
Peer Reviewed verified by ORBi

Mortazavi, N., Koshmanova, E., Sharifpour, R., Berger, A., Beckers, E., Campbell, I., Paparella, I., Balda Aizpurua, F., Lamalle, L., Talwar, P., Sherif, S., & Vandewalle, G. (24 September 2023). Association between locus coeruleus activity during wakefulness and sleep features [Poster presentation]. ESRS sleep school.
Peer reviewed

Paparella, I., Campbell, I., Sharifpour, R., Beckers, E., Berger, A., Balda Aizpurua, F., Koshmanova, E., Mortazavi, N., Talwar, P., Degueldre, C., Lamalle, L., Sherif, S., Phillips, C., Maquet, P., & Vandewalle, G. (16 September 2023). Light modulates task-dependent thalamo-cortical connectivity during an auditory attentional task. Communications Biology, 6 (1), 945. doi:10.1038/s42003-023-05337-5
Peer Reviewed verified by ORBi

Koshmanova, E., Berger, A., Beckers, E., Campbell, I., Mortazavi, N., Sharifpour, R., Paparella, I., Balda Aizpurua, F., Berthomier, C., Degueldre, C., Salmon, E., Lamalle, L., Bastin, C., Van Egroo, M., Phillips, C., Maquet, P., Collette, F., Muto, V., Chylinski, D., ... Vandewalle, G. (2023). Locus coeruleus activity while awake is associated with REM sleep quality in older individuals. JCI Insight. doi:10.1172/jci.insight.172008
Peer Reviewed verified by ORBi

Mortazavi, N., Koshmanova, E., Sharifpour, R., Berger, A., Beckers, E., Campbell, I., Paparella, I., Balda Aizpurua, F., Lamalle, L., Talwar, P., Sherif, S., & Vandewalle, G. (25 July 2023). Association between locus coeruleus activity during wakefulness and sleep features [Poster presentation]. The Organization for Human Brain Mapping (OHBM), Montreal, Canada.
Editorial reviewed

Berger, A., Koshmanova, E., Beckers, E., Sharifpour, R., Paparella, I., Campbell, I., Mortazavi, N., Balda Aizpurua, F., Yi, Y.-J., Lamalle, L., Dricot, L., Phillips, C., Jacobs, H. I. L., Talwar, P., El Tahry, R., Sherif, S., & Vandewalle, G. (21 June 2023). Structural and functional characterization of the locus coeruleus in young and late middle-aged individuals. Frontiers in Neuroimaging, 2. doi:10.3389/fnimg.2023.1207844
Peer reviewed

Beckers, E., Campbell, I., Sharifpour, R., Paparella, I., Berger, A., Balda Aizpurua, F., Koshmanova, E., Mortazavi, N., Talwar, P., Sherif, S., Jacobs, H. I. L., & Vandewalle, G. (2023). Impact of repeated short light exposures on sustained pupil responses in an fMRI environment. Journal of Sleep Research. doi:10.1101/2023.04.12.536600
Peer Reviewed verified by ORBi

Deantoni, M.* , Baillet, M.* , Hammad, G.* , Berthomier, C., Reyt, M., Jaspar, M., Meyer, C., Van Egroo, M., Talwar, P., Lambot, E., Chellappa, S. L., Degueldre, C., Luxen, A., Salmon, E., Balteau, E., Phillips, C., Dijk, D.-J., Vandewalle, G., Collette, F., ... Schmidt, C.*. (29 March 2023). Association between sleep slow-wave activity and in-vivo estimates of myelin in healthy young men. NeuroImage, 272, 120045. doi:10.1016/j.neuroimage.2023.120045
Peer Reviewed verified by ORBi
* These authors have contributed equally to this work.

Beckers, E., Campbell, I., Sharifpour, R., Paparella, I., Berger, A., Balda Aizpurua, F., Koshmanova, E., Mortazavi, N., Talwar, P., Sherif, S., Jacobs, H., & Vandewalle, G. (2023). Frequency analysis of sustained pupil size under various melanopic irradiance in young healthy individuals [Poster presentation]. Society for Light Treatment and Biological Rhythms, Lausanne, Switzerland.
Peer reviewed

Koshmanova, E., Muto, V., Chylinski, D., MOURAUX, C., Reyt, M., Grignard, M., Talwar, P., Lambot, E., Berthomier, C., Brandewinder, M., Mortazavi, N., Degueldre, C., Luxen, A., Salmon, E., Georges, M., Collette, F., Maquet, P., Van Someren, E., & Vandewalle, G. (10 November 2022). Genetic risk for insomnia is associated with objective sleep measures in young and healthy good sleepers. Neurobiology of Disease, 175, 105924. doi:10.1016/j.nbd.2022.105924
Peer Reviewed verified by ORBi

Koshmanova, E., Berger, A., Mortazavi, N., Beckers, E., Ji, J., Campbell, I., Sharifpour, R., Paparella, I., Chylinski, D., Muto, V., Berthomier, C., Degueldre, C., Salmon, E., Lamalle, L., Talwar, P., Sherif, S., & Vandewalle, G. (27 September 2022). Locus coeruleus reactivity during wakefulness is associated with REM sleep intensity [Poster presentation]. ESRS.
Peer reviewed

Beckers, E., Campbell, I., Paparella, I., Sharifpour, R., Koshmanova, E., Berger, A., Balda Aizpurua, F., Mortazavi, N., Talwar, P., Sherif, S., Jacobs, H., & Vandewalle, G. (27 September 2022). Characterisation of pupil responses to alternating light intensities across different cognitive tasks [Paper presentation]. The 26th Conference of the European Sleep Research Society (ESRS).
Peer reviewed

Mortazavi, N., Koshmanova, E., Muto, V., Chylinski, D., Jaspar, M., Meyer, C., Sharifpour, R., Berger, A., Paparella, I., Campbell, I., Beckers, E., Degueldre, C., Berthomier, C., Schmidt, C., Collette, F., Dijk, D., Phillips, C., Maquet, P., Talwar, P., & Vandewalle, G. (27 September 2022). Association of Alzheimer’s disease genetic risk and EEG features of the awake brain in healthy young men [Paper presentation]. The 26th Conference of the European Sleep Research Society (ESRS).
Peer reviewed

Sharifpour, R., Campbell, I., Paparella, I., Beckers, E., Balda Aizpurua, F., Mortazavi, N., Berger, A., Talwar, P., Koshmanova, E., Lamalle, L., Sherif, S., & Vandewalle, G. (23 June 2022). Ultra High Field 7 Tesla fMRI potential in revealing hypothalamus responses to blue-enriched light exposure [Paper presentation]. Society for Light Treatment and Biological Rhythms, Manchester, United Kingdom.
Peer reviewed

Mortazavi, N., Koshmanova, E., Muto, V., Chylinski, D., Jaspar, M., Meyer, C., Sharifpour, R., Berger, A., Paparella, I., Campbell, I., Beckers, E., Degueldre, C., Berthomier, C., Schmidt, C., Collette, F., Dijk, D.-J., Phillips, C., MAQUET, P., Talwar, P., & Vandewalle, G. (2022). Alzheimer’s disease genetic risk and electroencephalography signals during wakefulness: Insights into the possible disease correlation [Paper presentation]. The 26th Conference of the European Sleep Research Society, Athens, Greece.
Editorial reviewed

Mortazavi, N., Koshmanova, E., Sharifpour, R., Berger, A., Paparella, I., Campbell, I., Beckers, E., Talwar, P., Sherif, S., & Vandewalle, G. (2022). Brain correlates of perceptual switch during perception rivalry: an ultra-high field 7T functional magnetic resonance imaging study [Paper presentation]. The Brain Conference.
Peer reviewed

Talwar, P.* , Kushwaha, S.* , Chaturvedi, M., & Mahajan, V. (December 2021). Systematic Review of Different Neuroimaging Correlates in Mild Cognitive Impairment and Alzheimer's Disease. Clinical Neuroradiology, 31 (4), 953 - 967. doi:10.1007/s00062-021-01057-7
Peer Reviewed verified by ORBi
* These authors have contributed equally to this work.

Tahmasian, M., Aleman, A., Andreassen, O. A., Arab, Z., Baillet, M., Benedetti, F., Bresser, T., Bright, J., Chee, M. W. L., Chylinski, D., Cheng, W., Deantoni, M., Dresler, M., Eickhoff, S. B., Eickhoff, C. R., Elvsåshagen, T., Feng, J., Foster-Dingley, J. C., Ganjgahi, H., ... Zarei, M. (April 2021). ENIGMA-Sleep: Challenges, opportunities, and the road map. Journal of Sleep Research, e13347. doi:10.1111/jsr.13347
Peer Reviewed verified by ORBi

Narbutas, J., Van Egroo, M., Chylinski, D., Bahri, M. A., Koshmanova, E., Talwar, P., Besson, G., Muto, V., Schmidt, C., Luxen, A., Balteau, E., Phillips, C., MAQUET, P., Salmon, E., Bastin, C., Vandewalle, G., & Collette, F. (2021). Associations between cognitive complaints, memory performance, mood and amyloid-β accumulation in healthy amyloid negative late-midlife individuals. Journal of Alzheimer's Disease, 83, 127-141. doi:10.3233/JAD-210332
Peer reviewed

Talwar, P., Kushwaha, S., Gupta, R., & Agarwal, R. (2019). Systemic Immune Dyshomeostasis Model and Pathways in Alzheimer's Disease. Frontiers in Aging Neuroscience, 11, 290. doi:10.3389/fnagi.2019.00290
Peer Reviewed verified by ORBi

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