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Ly Julien

Département des sciences cliniques

Dép. des Sciences de l'activité phys. et de la réadaptation

See author's contact details
Main Referenced Co-authors
Vandewalle, Gilles  (23)
Gaggioni, Giulia  (20)
Phillips, Christophe  (20)
Maquet, Pierre  (15)
Chellappa, Sarah Laxhmi  (14)
Main Referenced Keywords
TMS/EEG (4); circadian timing system (3); sleep deprivation (3); sleep homeostasis (3); actigraphy (1);
Main Referenced Unit & Research Centers
GIGA CRC (Cyclotron Research Center) In vivo Imaging-Aging & Memory - ULiège (6)
Main Referenced Disciplines
Neurology (49)
Cardiovascular & respiratory systems (14)
Public health, health care sciences & services (8)
Surgery (5)
Anesthesia & intensive care (4)

Publications (total 57)

The most downloaded
3190 downloads
Ziegler, E., Chellappa, S. L., Gaggioni, G., Ly, J., Vandewalle, G., André, E., Geuzaine, C.* , & Phillips, C.*. (December 2014). A finite-element reciprocity solution for EEG forward modeling with realistic individual head models. NeuroImage, 103, 542-551. doi:10.1016/j.neuroimage.2014.08.056 https://hdl.handle.net/2268/171896

The most cited

183 citations (OpenAlex)

LY, J., Gaggioni, G., Chellappa, S., Papachilleos, S., Brzozowski, A., Borsu, C., Rosanova, M., Sarasso, S., Middleton, B., Luxen, A., Archer, S., Phillips, C., Dijk, D.-J., Maquet, P., Massimini, M., & Vandewalle, G. (2016). Circadian regulation of human cortical excitability. Nature Communications. doi:10.1038/ncomms11828 https://hdl.handle.net/2268/199404

Ly, J. (2024). Prise en charge des AVC : aspects peri-interventionnels (Atelier Workshop Anesthésiologie - Reéanimation) [Paper presentation]. Atelier Workshop Anesthésiologie -Réanimation CHU Liège.

Ly, J. (2024). GLEM de Chirurgie Cardiovasculaire : "Prise en charge des sténoses carotidiennes symptomatiques" [Paper presentation]. GLEM Chirurgie Cardiovasculaire.

Ly, J. (25 April 2024). Prise en charge des sténoses carotidiennes symptomatiques [Paper presentation]. GLEM Chirurgie Cardiovasculaire.

Ly, J. (2023). Prise en charge de l'AVC hyperaigu et télémédecine (présentation orale) [Paper presentation]. Colloque Médecins et Infirmiers des Urgences CHR Huy, Huy, Belgium.

Ly, J. (2023). Approches diagnostiques et thérapeutiques des sténoses carotidiennes asymptomatiques [Paper presentation]. GLEM Chirurgie Cardiovasculaire.

Ly, J. (25 November 2023). How to improve the health of an injured brain. The specific case of Stroke [Paper presentation]. European Society of Anaesthesiology Congress Webinar.

Lambert, N., Ly, J., Deprez, L., & WILLEMS, E. (2023). Hemispheric Hypoperfusion in Immune Effector Cell-Associated Neurotoxicity Syndrome following Chimeric Antigen Receptor T-Cell Therapy. Annals of Neurology. doi:10.1002/ana.26832
Peer Reviewed verified by ORBi

Ly, J. (2023). La lésion cérébrale acquise et ses séquelles : AVC et trauma crânien [Paper presentation]. Journées Azimut, Liège, Belgium.

Paparella, I., Gaggioni, G., Ly, J., Collette, F., Phillips, C., Maquet, P., & Vandewalle, G. (2023). In silico estimation of age-related changes in inhibitory/excitatory drives after sleep deprivation [Paper presentation]. Organization of Human Brain Mapping 2023.
Peer reviewed

Gaggioni, G., Shumbayawonda, E., Montanaro, U., Ly, J., Phillips, C., Vandewalle, G.* , & Abasolo, D.*. (March 2021). Time course of cortical response complexity during extended wakefulness and its differential association with vigilance in young and older individuals. Biochemical Pharmacology, epub ahead of print. doi:10.1016/j.bcp.2021.114518
Peer Reviewed verified by ORBi
* These authors have contributed equally to this work.

Gaggioni, G., Shumbayawonda, E., Montanaro, U., Ly, J., Phillips, C., Vandewalle, G., & Abasolo, D. (09 February 2021). Dynamics of cortical response complexity during sleep deprivation and circadian misalignment in young and older healthy individuals and association with vigilance performance [Poster presentation]. 11th Annual Circadian Biology Symposium.

Ly, J. (2021). Prise en charge de l’AVC hyperaigu (présentation ppt/orale) [Paper presentation]. Colloques Médecins des Urgences CHU Liège, Liège, Belgium.

Ly, J. (01 October 2020). AVC et femme jeune [Paper presentation]. Cours de Maîtrise des Médecins Assistants Candidats Spécialistes en Neurologie, Liège, Belgium.

Muto, V., Frasso, G., Jaspar, M., Meyer, C., Chellappa, S. L., LY, J., Gaggioni, G., Berthomier, C., Brandewinder, M., Phillips, C., Collette, F., Archer, S., Dijk, D.-J., MAQUET, P., Vandewalle, G., Schmidt, C., & Hammad, G. (23 September 2020). Impact of the PER3 VNTR polymorphism on delta power across different sleep contexts [Paper presentation]. 25th congress of the European Sleep Research Society.

Ly, J. (02 June 2020). AVC et maladie des gros vaisseaux [Paper presentation]. Cours de Maîtrise des Médecins Assistants Candidats Spécialistes en Neurologie.

Ly, J. (2020). Diminution des cas d’AVC enregistrés aux Urgences : le CHU de Liège tire la sonnette d’alarme. RTBF.

Ly, J. (2020). « CHU de Liège : venez aux Urgences si vous faites un AVC ». DH.

Ly, J. (2020). « Deux fois moins de personnes traitées pour un AVC à Liège « Des patients risquent de se retrouver avec des handicaps qu’on aurait pu éviter». BEL RTL.

Gaggioni, G., Shumbayawonda, E., Montanaro, U., Ly, J., Phillips, C., Vandewalle, G., & Abásolo, D. (2020). Dynamics of cortical response complexity during sleep deprivation and circadian misalignment in young and older healthy individuals and association with vigilance performance [Poster presentation]. Transcranial Brain Stimulation in Cognitive Neuroscience Workshop, Rovereto, Italy.

Ly, J. (2019). Prise en charge hyperaiguë de l’AIC [Paper presentation]. GLEM Neurochirurgie.

Ly, J. (08 October 2019). NEUROLOGIE, ALR, TRAITEMENT DE LA DOULEUR » : « Le Stroke en 2019 " [Paper presentation]. o Cours Européens d'Anesthésie Réanimation de la région Belgique- Nord Pas de Calais, Cours 5 CEEA, Gosnay, France.

Ly, J. (2019). 3615 «TELE-AVC » EXPERTISE CEREBROVASCULAIRE A DISTANCE [Paper presentation]. GLEM Médecine Générale, Libin, Belgium.

Ly, J. (11 May 2019). PFO : faut-il fermer tout le monde ? [Paper presentation]. Journées Liégeoises de Cardiodlogie 2019.

Ly, J. (08 May 2019). Un AIC aux causes multiples [Paper presentation]. Grandes Cliniques Intégrées du CHU de Liège.

Ly, J. (27 April 2019). 3615 «TELE-AVC » : EXPERTISE CEREBROVASCULAIRE A DISTANCE [Paper presentation]. 19ème Colloques des Médecins à Orval.

Rosso, C., Blanc, R., Ly, J., Samson, Y., Lehéricy, S., Gory, B., Marnat, G., Mazighi, M., Consoli, A., Labreuche, J., Saleme, S., Costalat, V., Bracard, S., Desal, H., Piotin, M., Lapergue, B., & ASTER Trial and Pitié-Salpêtrière Investigators. (March 2019). Impact of infarct location on functional outcome following endovascular therapy for stroke. Journal of Neurology, Neurosurgery and Psychiatry, 90 (3), 313 - 319. doi:10.1136/jnnp-2018-318869
Peer Reviewed verified by ORBi

Cardone, P., Gaggioni, G., Van Egroo, M., Narbutas, J., Chylinski, D., Muto, V., Ghaemmaghami Tabrizi, P., Besson, G., Koshmanova, E., LY, J., Schmidt, C., & Vandewalle, G. (2019). Cortical excitability transiently increases during attentional lapses [Poster presentation]. RAW 2019, Rovereto Attention Workshop.
Peer reviewed

Van Egroo, M., Gaggioni, G., Cespedes-Ortiz, C., LY, J., & Vandewalle, G. (2019). Steady-State Pupil Size Varies with Circadian Phase and Sleep Homeostasis in Healthy Young Men. Clocks and Sleep. doi:10.3390/clockssleep1020021
Peer reviewed

Ly, J. (2018). AVC : urgence absolue [Paper presentation]. Les Jeudi de la Santé, Liège, Belgium.

Ly, J. (02 October 2018). Télé AVC – expertise neurovasculaire à distance [Paper presentation]. Assises eSantés, Bertrix, Belgium.

Ly, J. (2018). AVC : urgence absolue [Paper presentation]. o Conférence « Santé Bien-être ».

Ly, J. (2018). Prise en charge de l’AVC hyperaigu [Paper presentation]. GLEM Soins Intensifs.

Gaggioni, G., LY, J., Chellappa, S., Coppieters't Wallant, D., Rosanova, M., Sarasso, S., Luxen, A., Salmon, E., Middleton, B., Massimini, M., Schmidt, C., Casali, A., Phillips, C., & Vandewalle, G. (2018). Human fronto-parietal response scattering subserves vigilance at night. NeuroImage. doi:10.1016/j.neuroimage.2018.03.055
Peer Reviewed verified by ORBi

Ly, J. (2017). L’AVC : une urgence absolue [Paper presentation]. Conférence Information Grand Public, Oupeye, Belgium.

Ly, J. (November 2017). Les AVC cardioemboliques [Paper presentation]. Cours de Maîtrise des Médecins Assistants Candidats Spécialistes en Neurologie, Liège, Belgium.

Ly, J. (2016). Hémicraniectomie précoce dans l'oedème ischémique cérébral malin [Paper presentation]. Colloque Multidisciplinaire Neurovasculaire, Liège, Belgium.

Chellappa, S.* , Gaggioni, G.* , LY, J.* , Papachilleos, S., Borsu, C., Brzozowski, A., Rosanova, M., Sarasso, S., Luxen, A., Middleton, B., Archer, S., Dijk, D.-J., Massimini, M., Maquet, P., Phillips, C., Moran, R.* , & Vandewalle, G.*. (September 2016). Circadian dynamics in measures of cortical excitation and inhibition balance. Scientific Reports, 6:33661. doi:10.1038/srep33661
Peer Reviewed verified by ORBi
* These authors have contributed equally to this work.

Gaggioni, G., Chelllappa, S., Ly, J., Coppieters't Wallant, D., Jaspar, M., Muto, V., Meyer, C., Delfosse, T., Dumont, R., Vanvinckenroye, A., Collette, F., Maquet, P., Phillips, C., Schmidt, C., & Vandewalle, G. (September 2016). Age-related differences in the dynamics of cortical excitability and cognitive inhibition during prolongedwakefulness [Paper presentation]. 23rd Congress of ESRS.

Gaggioni, G., Chellappa, S. L., LY, J., Coppieters't Wallant, D., Sarasso, S., Rosanova, M., Archer, S., Maquet, P., Dijk, D., Massimini, M., Casali, A., Phillips, C., & Vandewalle, G. (15 June 2016). Sleep deprivation affects brain global cortical responsivenes [Paper presentation]. SLEEP 2016 - APSS Annual meeting.

Ly, J. (05 March 2016). L'accident vasculaire cérébral [Paper presentation]. Congrès Infirmier Soins Intensifs «Un jour tout a basculé », Liège, Belgium.

Gaggioni, G., Chellappa, S. L., LY, J., Coppieters't Wallant, D., Sarasso, S., Rosanova, M., Archer, S., Maquet, P., Dijk, D.-J., Massimini, M., Casali, A. G., Phillips, C., & Vandewalle, G. (2016). Sleep deprivation affects brain global cortical responsiveness [Poster presentation]. SLEEP 2016 - APSS annual meeting.

LY, J., Gaggioni, G., Chellappa, S., Papachilleos, S., Brzozowski, A., Borsu, C., Rosanova, M., Sarasso, S., Middleton, B., Luxen, A., Archer, S., Phillips, C., Dijk, D.-J., Maquet, P., Massimini, M., & Vandewalle, G. (2016). Circadian regulation of human cortical excitability. Nature Communications. doi:10.1038/ncomms11828
Peer Reviewed verified by ORBi

Ly, J. (2015). Circadian Modulation Of Human Cortical Excitability [Doctoral thesis, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/312128

Ly, J. (2015). « Accident vasculaire cérébral : un neurologue du CHU de Liège à distance, par écrans interposés, pour aider les services d’urgences ». Sudinfo.

Ly, J., Chellappa, S. L., & Maquet, P. (2015). Development and Impact of Brain Imaging Techniques. In Evolution of treatment and Investigate Approaches in Sleep Medicine". New York, United States: Springer Science.

Ziegler, E., Chellappa, S. L., Gaggioni, G., Ly, J., Vandewalle, G., André, E., Geuzaine, C.* , & Phillips, C.*. (December 2014). A finite-element reciprocity solution for EEG forward modeling with realistic individual head models. NeuroImage, 103, 542-551. doi:10.1016/j.neuroimage.2014.08.056
Peer Reviewed verified by ORBi
* These authors have contributed equally to this work.

Ly, J., Gaggioni, G., Chellappa, S. L., Papachilleos, S., Brzozowski, A., Borsu, C., Rosanova, M., Sarrasso, S., Archer, S. N., Dijk, D.-J., Phillips, C., MAQUET, P., Massimini, M., & Vandewalle, G. (04 October 2014). Human cortical excitability depends on time spent awake and circadian phase [Paper presentation]. Belgian Brain Council 2014.

Ly, J., Chellappa, S. L., Gaggioni, G., Papachilleos, S., Brzozowski, A., Borsu, C., Rosanova, M., Sarrasso, S., Archer, S. N., Dijk, D.-J., Phillips, C., MAQUET, P., Massimini, M., & Vandewalle, G. (17 September 2014). Human cortical excitability depends on time awake and circadian phase [Paper presentation]. 22nd Congress of the European Sleep Research Society (ESRS) 2014, Tallinn, Estonia.

Ly, J., Chellappa, S. L., Gaggioni, G., Papachilleos, S., Brzozowski, A., Borsu, C., Rosanova, M., Sarrasso, S., Archer, S. N., Dijk, D.-J., Phillips, C., MAQUET, P., & Vandewalle, G. (17 September 2014). Human cortical excitability depends on time spent awake and circadian phase [Paper presentation]. 22nd Congress of the European Sleep Research Society (ESRS) 2014, Tallinn, Estonia.

González y Viagas, M., Ly, J., Gaggioni, G., Meyer, C., Muto, V., Jaspar, M., Vandewalle, G., Maquet, P., Phillips, C., & Chellappa, S. L. (September 2014). Automatic biorythms description from actigraphic data [Poster presentation]. European Sleep research Society - ESRS, Tallinn, Estonia.

Borsu, C., Gaggioni, G., Ly, J., Papachilleos, S., Brzozowski, A., Rosanova, M., Sarasso, S., Archer, S., Dijk, D.-J., Phillips, C., Maquet, P., Massimini, M., Chellappa, S. L., & Vandewalle, G. (September 2014). Cortical excitability dynamics of during sleep deprivation set PVT performance [Poster presentation]. European Sleep Research Society Symposium.

Chellappa, S. L., LY, J. (Other coll.), Gaggioni, G. (Other coll.), Archer, S. (Other coll.), Massimini, M. (Other coll.), Dijk, D.-J. (Other coll.), Maquet, P. (Other coll.), Phillips, C. (Other coll.), Moran, R. (Other coll.), & Vandewalle, G. (Other coll.). (16 June 2014). The circadian system sets the temporal organization of basic human neuronal function [Paper presentation]. Society for Biological Rhythms Symposium.

Ly, J. (2014). AVC et contraception [Paper presentation]. GLEM Médecine Générale, Liège, Belgium.

Chellappa, S. L., Ly, J., Meyer, C., Balteau, E., Degueldre, C., Luxen, A., Phillips, C., Cooper, H., & Vandewalle, G. (2014). Photic memory for executive brain responses. Proceedings of the National Academy of Sciences of the United States of America, 4263. doi:10.1073/pnas.1320005111
Peer Reviewed verified by ORBi

Ly, J. (2014). Prise en charge de l’AVC hyperaigu [Paper presentation]. GLEM Médecine Générale, Liège, Belgium.

Chellappa, S. L., Ly, J., Meyer, C., Balteau, E., Degueldre, C., Luxen, A., Cooper, H., & Vandewalle, G. (2013). Melanopsin bistability impinges on higher order cognitive brain function. Sleep, 36 (Suppl. 1).
Peer Reviewed verified by ORBi

Ly, J., Dang-Vu, T., Chellappa, S. L., Schabus, M., Vandewalle, G., Phillips, C., & Maquet, P. (2013). Neural correlates of the transition from wakefulness to sleep assessed by simultaneous high density electroencephalography and functional magnetic resonance imaging. Sleep.
Peer Reviewed verified by ORBi

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