Faculty profile

Alain Dagher

ResearcherNeurology and NeurosurgeryMcGill University

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a McGill University directory, so their courses may be missing. Find their university profile.

Alain Dagher

Researcher

Neurology and Neurosurgery

Health Sciences

McGill University

Montreal, Quebec, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
80 publications in the last five years, latest in 2026.
Senior (last) author on 19 recent papers, a sign of leading a research group.
Principal investigator on 11 research grants (10 CIHR, 1 NSERC), most recently in 2026.
Supervised 4 trainees who won CIHR awards, most recently in 2021.

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

Academic metrics

229

Publications

Citations

h-index

116

Collaborators

Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

Profiles and links

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Signals and details

Research

Obesity Parkinson'S Disease Dementia Magnetic Resonance Imaging Alzheimer'S Disease Brain Health Cerebrovascular Disease Metabolic Syndrome

Latest papers

Global network and local vulnerabilities underlie brain atrophy across Parkinson's disease stages.
Brain : a journal of neurology · 2026 · senior author
Association Between Plasma Phosphorylated Tau-217 and Cognition in Parkinson's Disease.
Movement disorders : official journal of the Movement Disorder Society · 2026
Aging and metabolism contribute separately to brain-body health.
PLoS biology · 2026

All 229 publications

Latest funding

The ''Absorption Hypothesis'': Linking Ultra-Processed Foods to Metabolic and Brain Health
CIHR · 2026 · Principal investigator
$10,000
Integrative Multimodal Brain Clocks: Genomic Architecture and Longitudinal Disease Modeling
CIHR · 2025 · Co-investigator
$906,525
Redefining Parkinson's disease dementia: an in-depth investigation into the causal role of common co-pathologies
CIHR · 2025 · Principal investigator
$1,269,900

All 34 grants and awards

From the 150 most recent of 229 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 neurology2026Senior author

DOI: 10.1093/brain/awaf432 PMID: 41237265

Association Between Plasma Phosphorylated Tau-217 and Cognition in Parkinson's Disease.

Kouchache T, Chan T, Sun S, Liu L, Delva A, Gan-Or Z, Rosa-Neto P, Gagnon JF, Dagher A, Postuma RB, Sharp M

Movement disorders : official journal of the Movement Disorder Society2026

DOI: 10.1002/mds.70400 PMID: 42473272

Aging and metabolism contribute separately to brain-body health.

Farahani A, Liu ZQ, Morys F, Moqadam R, Zeighami Y, Dadar M, Dagher A, Misic B

PLoS biology2026

DOI: 10.1371/journal.pbio.3003856 PMID: 42296166

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 science2026

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

Organization of neuropeptide systems in the human brain.

Ceballos EG, Farahani A, Liu ZQ, Milisav F, Hansen JY, Dagher A, Misic B

Nature neuroscience2026

DOI: 10.1038/s41593-026-02236-w PMID: 41845130

Multiscale characterization of cortical signatures in positive and negative schizotypy: a worldwide ENIGMA study.

Kirschner M, Hodzic-Santor B, Kennedy L, Hansen JY, Antoniades M, Nenadić I, Kircher T, Krug A, Meller T, Dannlowski U, Grotegerd D, Flinkenflügel K, Meinert S, Borgers T, Goltermann J, Hahn T, Böhnlein J, Leehr EJ, Barkhau C, Fornito A, Arnatkeviciute A, Bellgrove MA, Tiego J, DeRosse P, Green M, Quidé Y, Pantelis C, Chan RCK, Wang Y, Ettinger U, Debbané M, Derome M, Gaser C, Besteher B, Diederen K, Spencer TJ, Houenou J, Pomarol-Clotet E, Salvador R, Rössler W, Smigielski L, Kumari V, Premkumar P, Park HRP, Wiebels K, Jansen I, Gilleen J, Allen P, Marsman JB, Lebedeva I, Tomyshev A, Fett AK, Sommer I, Koops S, Grant P, Ferrari A, Wan B, Bègue I, Hernaus D, Jalbrzikowski M, Paquola C, Larivière S, Bernhardt B, Valk SL, Misic B, van Erp TGM, Turner JA, Thompson PM, Aleman A, Dagher A, Kaiser S, Modinos G

Molecular psychiatry2026

DOI: 10.1038/s41380-026-03547-x PMID: 42000906

Reply to Comment on "Delayed Disease Onset Report in UK Biobank: Implications for Prodromal Studies in Parkinson's Disease".

Kouchache T, Zolfaghari S, Bouhadoun S, Delva A, Pelletier A, Kuhlencord M, Noyce AJ, Waters S, Belete D, Wilkinson T, Bush K, Morys F, Vo A, Rannikmae K, Dagher A, Postuma RB

Movement disorders : official journal of the Movement Disorder Society2026

DOI: 10.1002/mds.70255 PMID: 41788015

Brain network dynamics determine tau presence while regional vulnerability governs tau load in Alzheimer's disease.

Xiao Y, Spotorno N, An L, Bazinet V, Hansen JY, Strandberg O, Shafiei G, Behjat HH, Funck T, Salvadó G, Stomrud E, Smith R, Palmqvist S, Ossenkoppele R, Mattsson-Carlgren N, Palomero-Gallagher N, Dagher A, Misic B, Hansson O, Vogel JW

Research square2026

DOI: 10.21203/rs.3.rs-8687892/v1 PMID: 41928804

Spinal cord involvement and cardiovascular autonomic dysfunction in Parkinson's disease.

Chougar L, Lejeune FX, Cohen-Adad J, Landelle C, Guay-Paquet M, Newton J, Valosek J, Biondetti E, Jovanovic C, Wennberg K, Dagher A, Doyon J, Pyatigorskaya N, Sambin S, Mangone G, Corvol JC, Arnulf I, Vidailhet M, Lehéricy S

Scientific reports2026

DOI: 10.1038/s41598-026-38152-z PMID: 41844680

Novel applications of machine learning and computational neuroscience models to neuroimaging in Parkinson's disease and related disorders.

Chougar L, Vo A, Lehéricy S, Dagher A

Frontiers in aging neuroscience2026Senior author

DOI: 10.3389/fnagi.2026.1786423 PMID: 41878308

The ''Absorption Hypothesis'': Linking Ultra-Processed Foods to Metabolic and Brain Health

Principal investigatorCIHR2026Team Grant: Health Effects of Ultra-Processed Foods-Mechanisms of Health Eff-LOI

Principal investigators: Small, Dana M; Dagher, Alain; De Araujo, Ivan E; Décarie-Spain, Léa; Fulton, Stephanie

Keywords: Dopamine Signaling; Eating Behavior; Eating Rate; Food Environment; Food Reward; Gut-Brain Axis; Neuroplasticity; Nutrient Absorption Kinetics; Obesity And Metabolic Health; Ultra-Processed Foods

$10,000

Integrative Multimodal Brain Clocks: Genomic Architecture and Longitudinal Disease Modeling

Co-investigatorCIHR2025Project Grant

Principal investigators: Zhou, Sirui

Keywords: Brain Aging; Cognition; Genomics; Machine-Learning; Metabolomics; Mri; Multiple Sclerosis; Proteomics

$906,525

Redefining Parkinson's disease dementia: an in-depth investigation into the causal role of common co-pathologies

Principal investigatorCIHR2025Project Grant

Principal investigators: Sharp, Madeleine E; Dagher, Alain; Postuma, Ronald B

Keywords: Alzheimer'S Disease; Biomarkers; Cognition; Cognitive Reserve; Dementia; Mri; Parkinson'S Disease; Vascular Dementia

$1,269,900

A chemoarchitectural atlas of the human brain

Co-investigatorCIHR2025Project Grant

Principal investigators: Misic, Bratislav

Keywords: Brain-Behaviour; Computational Modeling; Connectomics; Dmri; Fmri; Neurotransmitters; Normative Atlas; Pet

$692,325

Characterizing and predicting PD biological stages with neuroimaging across global populations

Co-investigatorCIHR2024Project Grant

Principal investigators: Poline, Jean-Baptiste

Keywords: Biomakers; Brain Imaging; Data Management And Processing; Machine Learning; Parkinson Disease Progression; Subtyping

$1,051,875

Effects of GLP1-agonist induced weight loss on brain, metabolic, and cerebrovascular health measures.

Nominated PICIHR2024Project Grant

Principal investigators: Dagher, Alain

Keywords: Brain Health; Cerebrovascular Disease; Dementia; Magnetic Resonance Imaging; Metabolic Syndrome; Neurodegeneration; Obesity

$1,346,400

Effects of GLP1 agonist-induced weight loss on cerebral and blood markers of neurodegeneration in individuals with obesity and genetic risk for Alzheimer's disease.

Nominated PICIHR2024Team Grant: CCNA Phase III: Nutrition and Metabolic Health in Aging

Principal investigators: Dagher, Alain

Keywords: Alzheimer'S Disease; Brain Health; Cerebrovascular Disease; Dementia; Magnetic Resonance Imaging; Metabolic Syndrome; Neurodegeneration; Obesity; Weight Loss

$1,057,080

Development and validation of multi modal Parkinson's disease subtyping and progression biomarkers in multiple cohorts

Co-investigatorCIHR2022Project Grant

Principal investigators: Poline, Jean-Baptiste

Keywords: Biomarker Robustness; Neuroimaging; Parkinson Disease; Predictive Multi-Modal Biomarkers; Progression Prediction

$875,925

TRIDENT: TRanslational Initiative to DE-risk NeuroTherapeutics

Co-investigatorSSHRC2022New Frontiers in Research Fund - Transformation

Principal investigators: Menon, Ravi

Keywords: cognition; drug discovery; mouse models; marmoset; organoids; imaging; open science; neurodegenerative disease; neurochemistry; neural circuits; sex differences

$8,000,000

Investigating the role of the mesolimbic dopamine reward system in music-induced analgesia

Co-investigatorCIHR2022Project Grant

Principal investigators: Roy, Mathieu

Keywords: Brain Imaging; Dopamine; Music; Pain; Reward

$508,725

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

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Alain Dagher

Research

Latest papers

Latest funding

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

Association Between Plasma Phosphorylated Tau-217 and Cognition in Parkinson's Disease.

Aging and metabolism contribute separately to brain-body health.

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

Organization of neuropeptide systems in the human brain.

Multiscale characterization of cortical signatures in positive and negative schizotypy: a worldwide ENIGMA study.

Reply to Comment on "Delayed Disease Onset Report in UK Biobank: Implications for Prodromal Studies in Parkinson's Disease".

Brain network dynamics determine tau presence while regional vulnerability governs tau load in Alzheimer's disease.

Spinal cord involvement and cardiovascular autonomic dysfunction in Parkinson's disease.

Novel applications of machine learning and computational neuroscience models to neuroimaging in Parkinson's disease and related disorders.

TRIDENT: TRanslational Initiative to DE-risk NeuroTherapeutics

Frequent collaborators

Yashar Zeighami

Bratislav Misic

Marco Leyton

Marco Leyton

Mahsa Dadar

Pedro Rosa-Neto

Natalia Jaworska

Danilo Bzdok

Danilo Bzdok

Patricia Conrod

Oury Monchi

Julien Doyon

Julien Doyon

Marc Roig

Jean-Baptiste Poline

Natalie Castellanos Ryan

Laurent Biertho

Natalie Castellanos Ryan

Oury Monchi

Michel Boivin

Ridha Joober

Sylvain Baillet

Amir Shmuel

Ridha Joober

Jacques Montplaisir

Frank Vitaro

Martin Lepage

Michel Panisset

Guy Rouleau

Julie Carrier

Pierre Bellec

Jens Pruessner

Pierre Bellec

Alan Evans

Stephanie Fulton

Alain Ptito

Howard Chertkow

Lily Hechtman

Serge Gauthier

Abbas Sadikot