Melanie Cohn, University of Toronto

Research

Deep Brain Stimulation Executive Functions Fmri Hippocampus Memory Neuroimaging Parkinson'S Disease

Latest papers

fMRI during active GPi DBS uncovers target-specific networks.
NPJ Parkinson's disease · 2026
Basal Forebrain Volume and Concurrent Hallucinations and Mild Cognitive Impairment in Parkinson's Disease.
Movement disorders clinical practice · 2026 · senior author
Deep brain stimulation or best medical treatment for Parkinson's disease patients: 36-month longitudinal neuropsychological and motor assessment - a prospective case-control study.
Neurologia i neurochirurgia polska · 2026

All 47 publications

Latest funding

Cognitive assays of hippocampal dysfunction in Parkinson's Disease
CIHR · 2018 · Nominated PI
$382,805
Cognitive assays of hippocampal dysfunction in Parkinson's disease
CIHR · 2017 · Nominated PI
$100,000
A potential biomarker for vascular dementia
CIHR · 2013 · Co-investigator
$324,598

All 4 grants and awards

47 publications.

01

fMRI during active GPi DBS uncovers target-specific networks.

Santyr B, Chow C, Germann J, Boutet A, Ajala A, Qiu J, Loh A, Alhashyan I, Abbass M, Elias G, Sarica C, Vetkas A, Yang A, Yeo D, Kalia S, Cohn M, Fasano A, Lozano AM

NPJ Parkinson's disease2026

DOI: 10.1038/s41531-026-01476-8 PMID: 42448721

02

Basal Forebrain Volume and Concurrent Hallucinations and Mild Cognitive Impairment in Parkinson's Disease.

Adamo SM, Mutreja V, Statucka M, Kaya B, Schmitz TW, Ruocco AC, Cohn M

Movement disorders clinical practice2026Senior author

DOI: 10.1002/mdc3.70413 PMID: 41144884

03

Deep brain stimulation or best medical treatment for Parkinson's disease patients: 36-month longitudinal neuropsychological and motor assessment - a prospective case-control study.

Szlufik S, Duszyńska-Wąs K, Koźmińska A, Milanowski Ł, Germann J, Lozano A, Drzewińska A, Cohn M, Mandat T, Figura M, Dutkiewicz J, Koziorowski D

Neurologia i neurochirurgia polska2026

DOI: 10.5603/pjnns.107017 PMID: 41972402

04

Aging and episodic memory specificity: Evidence challenging a domain-general pattern separation decline.

Youm A, Cohn M, Duncan K

PloS one2025

DOI: 10.1371/journal.pone.0336045 PMID: 41284661

05

Separating cognitive and motor contributions to iADL difficulties in Parkinson's disease.

Ravikumar R, Statucka M, Cohn M

Frontiers in aging neuroscience2025Senior author

DOI: 10.3389/fnagi.2025.1732479 PMID: 41582999

06

Lateralized Subthalamic Stimulation for Axial Dysfunction in Parkinson's Disease: Exploratory Outcomes and Open-Label Extension.

Lizarraga KJ, Gnanamanogaran B, Al-Ozzi TM, Cohn M, Tomlinson G, Boutet A, Elias GJB, Germann J, Soh D, Kalia SK, Hodaie M, Munhoz RP, Marras C, Hutchison WD, Lozano AM, Lang AE, Fasano A

Movement disorders clinical practice2024

DOI: 10.1002/mdc3.14188 PMID: 39136363

07

Coerced consent in clinical research: study protocol for a randomized controlled trial.

Brenna CTA, Walton N, Cohn M, Siddiqui U, Huszti E, Brull R

Trials2024

DOI: 10.1186/s13063-024-08294-4 PMID: 38965542

08

Auditory oddball responses in the human subthalamic nucleus and substantia nigra pars reticulata.

Leavitt D, Alanazi FI, Al-Ozzi TM, Cohn M, Hodaie M, Kalia SK, Lozano AM, Milosevic L, Hutchison WD

Neurobiology of disease2024

DOI: 10.1016/j.nbd.2024.106490 PMID: 38561111

09

Racial and Ethnic Differences in Health-Related Quality of Life for Individuals With Parkinson Disease Across Centers of Excellence.

Di Luca DG, Luo S, Liu H, Cohn M, Davis TL, Ramirez-Zamora A, Rafferty M, Dahodwala N, Naito A, Neault M, Beck J, Marras C

Neurology2023

DOI: 10.1212/wnl.0000000000207247 PMID: 37019661

10

Multiculturalism and reported cognitive change in Parkinson's disease.

Statucka M, Vaziri M, Iddiols B, Kaya B, Cohn M

Journal of the International Neuropsychological Society : JINS2023Senior author

DOI: 10.1017/s1355617723000668 PMID: 37989559

Cognitive assays of hippocampal dysfunction in Parkinson's Disease

Nominated PICIHR2018Project Grant

Principal investigators: Cohn, Melanie

Keywords: Deep Brain Stimulation; Executive Functions; Fmri; Hippocampus; Memory; Neuroimaging; Parkinson'S Disease

$382,805

Cognitive assays of hippocampal dysfunction in Parkinson's disease

Nominated PICIHR2017Project Grant

Principal investigators: Cohn, Melanie

Keywords: Deep Brain Stimulation; Executive Functions; Fmri; Hippocampus; Memory; Neuroimaging; Parkinson'S Disease

$100,000

A potential biomarker for vascular dementia

Co-investigatorCIHR2013Operating Grant

Principal investigators: Mikulis, David J; Black, Sandra E

Keywords: Alzheimer'S Disease; Cerebral Autoregulation; Cerebral Blood Flow; Cerebral Cortex; Dementia; Magnetic Resonance Imaging; Mild Cognitive Impairment; Vacular Dementia; Vascular Reserve

$324,598

Spatial and temporal characterization of hippocampal memory processes: studies in the normal brain and individuals with medial temporal-lobe epilepsy and excisions

Co-investigatorCIHR2009Operating Grant

Principal investigators: Valiante, Taufik A; McAndrews, Mary Pat

Keywords: Electrocorticography; Electroencephalography; Epilepsy; Memory; Neuroimaging; Oscillations

$237,364

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

Frequent collaborators

Medicine/Neurology
Department of Surgery
Rotman Research Institute
Neuropsychology
Biostatistics Division
Department of Physiology
Tanz Centre for Research in Neurodegenerative Diseases
Other

Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.

Mojgan Hodaie

Department of Surgery

7 shared papers, latest 2024

Morris Moscovitch

Rotman Research Institute

4 shared papers, latest 2018

Connie Marras

Medicine/Neurology

3 shared papers, latest 2024

George Tomlinson

Biostatistics Division

3 shared papers, latest 2024

James Duffin

Department of Physiology

2 shared papers, latest 2020

Nir Lipsman

Department of Surgery

1 shared papers, latest 2020

Tejas Sankar

Neurosurgery

1 shared papers, latest 2016

Silke Appel-Cresswell

Medicine/Neurology

1 shared papers, latest 2016

Ekaterina Rogaeva

Tanz Centre for Research in Neurodegenerative Diseases

1 shared papers, latest 2022

Benjamin Davidson

Department of Surgery

1 shared papers, latest 2020

Taufik Valiante

Electrical and Computer Engineering

1 shared papers, latest 2013

Suneil Kalia

Department of Surgery

1 shared papers, latest 2026

Robert Chen

Medicine/Neurology

1 shared papers, latest 2021

Peter Carlen

Medical Biophysics

1 shared papers, latest 2014

Sarah Duff Canning

Medicine/Neurology

1 shared papers, latest 2016

Brian Levine

Rotman Research Institute

1 shared papers, latest 2008

Judy Illes

Medicine/Neurology

1 shared papers, latest 2020

Write to this professor

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Applying for

Paper to mention

Subject: Prospective PhD student: Deep Brain Stimulation Dear Professor Cohn, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "fMRI during active GPi DBS uncovers target-specific networks." (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]

Melanie Cohn

Research

Latest papers

Latest funding

fMRI during active GPi DBS uncovers target-specific networks.

Basal Forebrain Volume and Concurrent Hallucinations and Mild Cognitive Impairment in Parkinson's Disease.

Deep brain stimulation or best medical treatment for Parkinson's disease patients: 36-month longitudinal neuropsychological and motor assessment - a prospective case-control study.

Aging and episodic memory specificity: Evidence challenging a domain-general pattern separation decline.

Separating cognitive and motor contributions to iADL difficulties in Parkinson's disease.

Lateralized Subthalamic Stimulation for Axial Dysfunction in Parkinson's Disease: Exploratory Outcomes and Open-Label Extension.

Coerced consent in clinical research: study protocol for a randomized controlled trial.

Auditory oddball responses in the human subthalamic nucleus and substantia nigra pars reticulata.

Racial and Ethnic Differences in Health-Related Quality of Life for Individuals With Parkinson Disease Across Centers of Excellence.

Multiculturalism and reported cognitive change in Parkinson's disease.

Cognitive assays of hippocampal dysfunction in Parkinson's Disease

Cognitive assays of hippocampal dysfunction in Parkinson's disease

A potential biomarker for vascular dementia

Spatial and temporal characterization of hippocampal memory processes: studies in the normal brain and individuals with medial temporal-lobe epilepsy and excisions

Frequent collaborators

Alfonso Fasano

Mojgan Hodaie

Alexandre Boutet

Morris Moscovitch

Katherine Duncan

Connie Marras

George Tomlinson

James Duffin

Clement Hamani

Luka Milosevic

Nir Lipsman

Tejas Sankar

Silke Appel-Cresswell

Peter Giacobbe

Ekaterina Rogaeva

Jurgen Germann

Alireza Mansouri

Benjamin Davidson

Taufik Valiante

Andres Lozano

Suneil Kalia

Robert Chen

Peter Carlen

Sarah Duff Canning

Brian Levine

Judy Illes