Publications and communications of Grégory Hammad

Articles in scientific journals with peer reviewing

Hammad, G., Wulff, K., Skene, D. J., Münch, M., & Spitschan, M. (2024). Open-Source Python Module for the Analysis of Personalized Light Exposure Data from Wearable Light Loggers and Dosimeters. LEUKOS - Journal of Illuminating Engineering Society of North America, 1-10. doi:10.1080/15502724.2023.2296863

Beliy, N., Guillemin, C., Pommier, E., Hammad, G., & Phillips, C. (04 December 2023). Bidsme: expandable BIDS-ifier of brain imagery datasets. Journal of Open Source Software, 8 (92), 5575. doi:10.21105/joss.05575

Deantoni, M., Reyt, M., Baillet, M., Dourte, M., de Haan, S., Lesoinne, A., Vandewalle, G., Maquet, P., Berthomier, C., Muto, V., Hammad, G.* , & Schmidt, C.*. (2023). Napping and circadian sleep-wake regulation during healthy aging. Sleep. doi:10.1093/sleep/zsad287
* These authors have contributed equally to this work.

Deantoni, M., Reyt, M., Berthomier, C., Muto, V., Hammad, G., de Haan, S., Dourte, M., Taillard, J., Lambot, E., Cajochen, C., Reichert, C. F., Maire, M., Baillet, M.* , & Schmidt, C.*. (2023). Association between circadian sleep regulation and cortical gyrification in young and older adults. Sleep. doi:10.1093/sleep/zsad094
* These authors have contributed equally to this work.

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
* These authors have contributed equally to this work.

Reyt, M., Deantoni, M., Baillet, M., Lesoinne, A., Laloux, S., Lambot, E., Demeuse, J., Calaprice, C., Le Goff, C., Collette, F., Vandewalle, G., Maquet, P., Muto, V., Hammad, G.* , & Schmidt, C.*. (29 July 2022). Daytime rest: Association with 24-h rest-activity cycles, circadian timing and cognition in older adults. Journal of Pineal Research, e12820, 1-11. doi:10.1111/jpi.12820
* These authors have contributed equally to this work.

Guillemin, C., Hammad, G., Read, J., Requier, F., Charonitis, M., Delrue, G., Vandeleene, N., LOMMERS, E., Maquet, P., & Collette, F. (June 2022). Pupil response speed as a marker of cognitive fatigue in early Multiple Sclerosis. Multiple Sclerosis and Related Disorders, 65, 104001. doi:10.1016/j.msard.2022.104001

Hammad, G., Reyt, M., Beliy, N., Baillet, M., Deantoni, M., Lesoinne, A., Muto, V., & Schmidt, C. (19 October 2021). pyActigraphy: Open-source python package for actigraphy data visualization and analysis. PLoS Computational Biology, 17 (10), 1009514. doi:10.1371/journal.pcbi.1009514

Muto, V.* , Koshmanova, E.* , Ghaemmaghami Tabrizi, P.* , Jaspar, M., Meyer, C., Elansary, M., Van Egroo, M., Chylinski, D., Berthomier, C., Brandewinder, M., Mouraux, C., Schmidt, C., Hammad, G., Coppieters, W., Ahariz, N., Degueldre, C., Luxen, A., Salmon, E., Phillips, C., ... Vandewalle, G. (16 July 2021). Alzheimer’s disease genetic risk and sleep phenotypes: association with more slow-waves and daytime sleepiness. Sleep, 44 (1), 137. doi:10.1093/sleep/zsaa137
* These authors have contributed equally to this work.

Narbutas, J., Van Egroo, M., Chylinski, D., Villar Gonzalez, P., Garcia Jimenez, C., Besson, G., Ghaemmaghami Tabrizi, P., Hammad, G., Muto, V., Schmidt, C., Luxen, A., Salmon, E., Maquet, P., Bastin, C., Vandewalle, G., & Collette, F. (2019). Cognitive efficiency in late midlife is linked to lifestyle characteristics and allostatic load. Aging, 11, 7169-7186. doi:10.18632/aging.102243

Scientific congresses and symposiums

Published communications

Schmidt, C., Reichert, C., Deantoni, M., Reyt, M., Maire, M., Gaggioni, G., Vandewalle, G., Collette, F., Cajochen, C., Hammad, G., & Muto, V. (26 September 2018). Age-related changes in circadian sleep-wake regulation: Impact on cognitive performance and cerebral correlates. Journal of Sleep Research. Supplement, Volume 27 (S1).

Oral communications or posters

de Haan, S., Baillet, M., Deantoni, M., Reyt, M., Dourte, M., Muto, V., Phillips, C., Maquet, P., Berthomier, C., Postnova, S., Schmidt, C.* , & Hammad, G.*. (06 September 2022). Modelling age-related changes in human sleep across the 24h-cycle: impact of circadian amplitude and wake-promoting inputs to the monoaminergic system [Poster presentation]. GIGA Day, Liège, Belgium.
* These authors have contributed equally to this work.

Reyt, M., Deantoni, M., Baillet, M., Lesoinne, A., Laloux, S., Collette, F., Muto, V., Hammad, G., & Schmidt, C. (September 2022). Chronic napping alters cognitive performance in healthy older adults [Paper presentation]. The 26th Congress of the European Sleep Research Society, Athènes, Greece.

Reyt, M., Deantoni, M., Baillet, M., Lesoinne, A., Laloux, S., Lambot, E., Demeuse, J., Calaprice, C., Le Goff, C., Collette, F., Vandewalle, G., Maquet, P., Muto, V., Hammad, G.* , & Schmidt, C.*. (September 2022). Daytime rest, circadian timing and cognitive performance in healthy older adults [Poster presentation]. The 26th Congress of the European Sleep Research Society, Athènes, Greece.
* These authors have contributed equally to this work.

Hammad, G., Reyt, M., Baillet, M., Deantoni, M., de Haan, S., Lesoinne, A., Laloux, S., Lambot, E., Muto, V., & Schmidt, C. (July 2022). Fractal regulation of human motor activity, hypothalamic integrity and napping during ageing [Poster presentation]. European Biological Rhythms Society (EBRS) Congress, Zürich, Switzerland.

Deantoni, M., Muto, V., Hammad, G., Berthomier, C., Baillet, M., Reyt, M., Jaspar, M., Meyer, C., Vanegroo, M., Lambot, E., Chellappa, S. L., Brandewinder, M., Degueldre, C., Luxen, A., SALMON, E., Phillips, C., Balteau, E., Collette, F., Dijk, D.-J., ... Schmidt, C. (22 September 2020). Association between sleep regulation and neuroimaging-derived myelin markers [Paper presentation]. 25th Congress of the European Sleep Research Society ESRS.

Koshmanova, E., Muto, V., Jaspar, M., Meyer, F., Grignard, M., Hammad, G., Berthomier, C., Brandewinder, M., Luxen, A., Degueldre, C., Salmon, E., Phillips, C., Posthuma, D., Georges, M., Schmidt, C., Maquet, P., van Someren, E., & Vandewalle, G. (22 September 2020). Higher polygenic risk for insomnia is associated with lower delta power during habitual sleep in young individuals without sleep disorders [Poster presentation]. 25th Congress of the European Sleep Research Society (ESRS) 2020.

Hammad, G., Reyt, M., Baillet, M., Deantoni, M., Lesoinne, A., Laloux, S., Lambot, E., Muto, V., & Schmidt, C. (September 2020). Fractal regulation of human motor activity and its manifestation at circadian and ultradian time scales [Poster presentation]. European Sleep Research Society.

Hammad, G., Reyt, M., Beliy, N., Baillet, M., Deantoni, M., Lesoinne, A., Muto, V., & Schmidt, C. (September 2020). pyActigraphy, an open-source python package for actigraphy data visualisation and analysis [Poster presentation]. European Sleep Research Society.

Baillet, M., Reyt, M., Deantoni, M., Lesoinne, A., Laloux, S., Lambot, E., Berthomier, C., Brandewinder, M., Salmon, E., Balteau, E., Phillips, C., Bastin, C., Muto, V., Hammad, G., & Schmidt, C. (2020). Association between daytime rest, night-time sleep and hippocampal integrity in healthy older adults [Poster presentation]. European Sleep Research Society.

Reyt, M., Latteur, A., Schmidt, C., Muto, V., & Hammad, G. (23 November 2018). La sieste comme indice de fragmentation du cycle de veille-sommeil : impact sur la cognition [Paper presentation]. Le Congrès du Sommeil, Lille, France.

Hammad, G., Muto, V., Gaggioni, G., Jaspar, M., Meyer, C., Maquet, P., Schmidt, C., Phillips, C., & Coppieters't Wallant, D. (26 September 2018). New spectral analysis method to identify trait-like features in NREM sleep power spectra [Paper presentation]. 24th Congress of the European Sleep Research Society (ESRS), Basel, Switzerland.

Reyt, M., Latteur, A., Maire, M., Reichert, C., Cajochen, C., Schmidt, C., Muto, V., & Hammad, G. (26 September 2018). Impact of age and napping on actimetry-derived sleep and 24-h rest-activity indices [Poster presentation]. 24th Congress of the European Sleep Research Society (ESRS), Basel, Switzerland.

Deantoni, M., Hammad, G., Maire, M., Ali Bahri, M., Berthomier, C., Cajochen, C., Reichert, C., & Schmidt, C. (September 2018). Association of circadian sleep-wake regulation and brain structure in older adults: a multi-modal approach [Paper presentation]. 24th Congress of the European Sleep Research Society (ESRS), Basel, Switzerland.

Other publications and communications

Computer developments

Hammad, G., Reyt, M., & Schmidt, C. (2019). pyActigraphy. Zenodo. doi:10.5281/zenodo.2537921