Faculty profile

Shady Rahayel

Back to faculty

ProfessorDépartement de médecineUniversité de Montréal

Shady Rahayel

Professor

Département de médecine

Université de Montréal

Montreal, Quebec, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
23 publications in the last five years, latest in 2026.
Senior (last) author on 2 recent papers, a sign of leading a research group.
Principal investigator on 1 research grant (1 BRAIN), most recently in 2026.
Supervisor on 3 trainee awards (3 CIHR), most recently in 2026.

These signals come from public records, including federal and provincial funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

1,238

Citations

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

Profiles and links

University Profile Google Scholar ResearchGate iDORCID OpenAlex

Find them onX · LinkedIn · Bluesky · YouTube

Signals and details

Research

Read how they describe their research on their Université de Montréal profile.

Latest papers

Global network and local vulnerabilities underlie brain atrophy across Parkinson's disease stages.
Brain : a journal of neurology · 2026
Selective molecular and network architecture features underlie brain cortical atrophy in dementia with Lewy bodies.
Journal of biomedical science · 2026 · senior author
Distinct brain atrophy progression subtypes underlie phenoconversion in isolated REM sleep behaviour disorder.
EBioMedicine · 2025

All 36 publications

Latest funding

Longitudinal coupling of hormonal fluctuations and cortical morphology in pregnancy: implications for postpartum depression
CIHR · 2026 · Supervisor
$9,000
Mapping Prodromal Brain Iron in Isolated Rapid Eye Movement Sleep Behavior Disorder to Forecast Parkinson’s Disease and Dementia with Lewy Bodies
BRAIN · 2026 · Principal investigator
$100,000
Étude d'imagerie transcriptomique de l'effet du sexe sur la neurodégénérescence associée au trouble comportemental en sommeil paradoxal isolé
CIHR · 2025 · Supervisor
$120,000

All 5 grants and awards

36 publications.

Global network and local vulnerabilities underlie brain atrophy across Parkinson's disease stages.

Vo A, Tremblay C, Rahayel S, Al-Bachari S, Berendse HW, Bright JK, Cendes F, d'Angremont E, Dalrymple-Alford JC, Debove I, Dirkx MF, Druzgal J, Garraux G, Helmich RC, Hu MT, Jahanshad N, Johansson ME, Klein JC, Laansma MA, McMillan CT, Melzer TR, Misic B, Mosley P, Owens-Walton C, Parkes LM, Pellicano C, Piras F, Poston KL, Rango M, Rummel C, Schwingenschuh P, Suette M, Thompson PM, Tosun D, Tsai CC, van Balkom TD, van den Heuvel OA, van der Werf YD, van Heese EM, Vriend C, Wang JJ, Wiest R, Yasuda CL, Dagher A

Brain : a journal of neurology20262 citationsOpen Access

DOI: 10.1093/brain/awaf432 PMID: 41237265

Selective molecular and network architecture features underlie brain cortical atrophy in dementia with Lewy bodies.

Delva A, Joza S, Tremblay C, Vo A, Filiatrault M, Carrier M, Taylor JP, O'Brien JT, Firbank M, Thomas A, Donaghy PC, Camicioli R, Chertkow H, Dagher A, Postuma RB, Rahayel S

Journal of biomedical science2026Senior authorOpen Access

DOI: 10.1186/s12929-026-01267-6 PMID: 42265698

Distinct brain atrophy progression subtypes underlie phenoconversion in isolated REM sleep behaviour disorder.

Joza S, Delva A, Tremblay C, Vo A, Filiatrault M, Tweedale M, Gagnon JF, Postuma RB, Dagher A, Klein J, Hu M, Dusek P, Marecek S, Varga Z, Taylor JP, O'Brien JT, Firbank M, Thomas A, Donaghy PC, Lehéricy S, Isabelle Arnulf, Vidailhet M, Corvol JC, Iceberg Study Group, Camicioli R, Chertkow H, Lewis S, Matar E, Ehgoetz Martens KA, Churchill L, Sommerauer M, Röttgen S, Borghammer P, Knudsen K, Hansen AK, Arnaldi D, Orso B, Mattioli P, Roccatagliata L, Monchi O, Rahayel S

EBioMedicine202522 citationsOpen Access

DOI: 10.1016/j.ebiom.2025.105753 PMID: 40447483

Association of DTI-ALPS Glymphatic Index With Differential Phenoconversion in Isolated REM Sleep Behavior Disorder: A Multi-Cohort MRI Study.

Ayral V, Pastor-Bernier A, Daneault V, Tremblay C, Filiatrault M, Haddad C, Gagnon JF, Postuma RB, Dušek P, Marecek S, Varga Z, Klein JC, Hu MT, Lehéricy S, Arnulf I, Vidailhet M, Corvol JC, ICEBERG Study Group, Rahayel S

Neurology202511 citationsOpen Access

DOI: 10.1212/wnl.0000000000214042 PMID: 40956987

Estrogen-related receptor gene expression associates with sex differences in cortical atrophy in isolated REM sleep behavior disorder.

Filiatrault M, Ayral V, Tremblay C, Haddad C, Daneault V, Pastor-Bernier A, Gagnon JF, Postuma RB, Dušek P, Mareček S, Varga Z, Klein JC, Hu MT, Arnulf I, Dodet P, Vidailhet M, Corvol JC, Lehéricy S, ICEBERG Study Group, Lewis S, Matar E, Ehgoetz Martens KA, Churchill L, Borghammer P, Knudsen K, Hansen AK, Arnaldi D, Orso B, Mattioli P, Roccatagliata L, Rahayel S

Nature communications20256 citationsOpen Access

DOI: 10.1038/s41467-025-63829-w PMID: 41073384

Uncovering atrophy progression pattern and mechanisms in individuals at risk of Alzheimer's disease.

Tremblay C, Rahayel S, Pastor-Bernier A, St-Onge F, Vo A, Rheault F, Daneault V, Morys F, Rajah N, Villeneuve S, Dagher A, PREVENT-AD Research Group, Alzheimer’s Disease Neuroimaging Initiative (ADNI)

Brain communications20255 citationsOpen Access

DOI: 10.1093/braincomms/fcaf099 PMID: 40092368

Free water predicts dementia with Lewy bodies in isolated REM sleep behavior disorder.

Haddad C, Daneault V, Ayral V, Filiatrault M, Pastor-Bernier A, Tremblay C, Boré A, Descoteaux M, Vo A, Gagnon JF, Postuma RB, Dusek P, Marecek S, Varga Z, Klein J, Hu MT, Lehéricy S, Arnulf I, Vidailhet M, Corvol JC, ICEBERG Study Group, Rahayel S

Alzheimer's & dementia : the journal of the Alzheimer's Association20254 citationsOpen Access

DOI: 10.1002/alz.70570 PMID: 40970479

Altered network efficiency in isolated REM sleep behavior disorder: A multicentric study.

Tremblay C, Pastor-Bernier A, Rheault F, Daneault V, Ayral V, Filiatrault M, Desaulniers L, Vo A, Gagnon JF, Postuma RB, Dusek P, Marecek S, Varga Z, Klein JC, Hu MT, Lehéricy S, Arnulf I, Dodet P, Vidailhet M, Corvol JC, ICEBERG Study Group, Rahayel S

Alzheimer's & dementia : the journal of the Alzheimer's Association20253 citationsOpen Access

DOI: 10.1002/alz.70574 PMID: 40791089

MRI-derived atrophy in multiple system atrophy aligns with mitochondrial and glial gene expression patterns.

Chougar L, Tremblay C, Delva A, Filiatrault M, Vo A, Hansen JY, Farahani A, Misic B, Khalafi P, Castonguay CE, Rouleau G, Corvol JC, Vidailhet M, Degos B, Pyatigorskaya N, Payan C, Grabli D, Lehéricy S, Dagher A, Rahayel S

NPJ Parkinson's disease20252 citationsSenior authorOpen Access

DOI: 10.1038/s41531-025-01227-1 PMID: 41453978

Patterns of cortical thickness in MCI patients with and without semantic impairment.

Delage É, Rouleau I, Akzam-Ouellette MA, Rahayel S, Filiatrault M, Joubert S

Brain and cognition20251 citationsOpen Access

DOI: 10.1016/j.bandc.2024.106258 PMID: 39746285

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

Something wrong or missing on this profile? Suggest a correction

Shady Rahayel

Research

Latest papers

Latest funding

Global network and local vulnerabilities underlie brain atrophy across Parkinson's disease stages.

Selective molecular and network architecture features underlie brain cortical atrophy in dementia with Lewy bodies.

Distinct brain atrophy progression subtypes underlie phenoconversion in isolated REM sleep behaviour disorder.

Association of DTI-ALPS Glymphatic Index With Differential Phenoconversion in Isolated REM Sleep Behavior Disorder: A Multi-Cohort MRI Study.

Estrogen-related receptor gene expression associates with sex differences in cortical atrophy in isolated REM sleep behavior disorder.

Uncovering atrophy progression pattern and mechanisms in individuals at risk of Alzheimer's disease.

Free water predicts dementia with Lewy bodies in isolated REM sleep behavior disorder.

Altered network efficiency in isolated REM sleep behavior disorder: A multicentric study.

MRI-derived atrophy in multiple system atrophy aligns with mitochondrial and glial gene expression patterns.

Patterns of cortical thickness in MCI patients with and without semantic impairment.

Longitudinal coupling of hormonal fluctuations and cortical morphology in pregnancy: implications for postpartum depression

Mapping Prodromal Brain Iron in Isolated Rapid Eye Movement Sleep Behavior Disorder to Forecast Parkinson’s Disease and Dementia with Lewy Bodies

Étude d'imagerie transcriptomique de l'effet du sexe sur la neurodégénérescence associée au trouble comportemental en sommeil paradoxal isolé

Prédiction de la phénoconversion dans le trouble comportemental en sommeil paradoxal isolé par imagerie de l'eau libre

The SLEEP HUB: an open science ecosystem for transforming sleep research

Frequent collaborators

Ronald Postuma

Alain Dagher

Jacques Montplaisir

Bratislav Misic

Oury Monchi

Julie Carrier

Jean-François Gagnon

Marie Filiatrault

Sven Joubert

Kaylena Martens

Kaylena Ehgoetz Martens

Ziv Gan-Or

Jean-Paul Soucy

Mahsa Dadar

François Rheault

Stephen Joza

Richard Camicioli

Simona Brambati

Maxime Descoteaux

Sylvia Villeneuve

Christian Bocti