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John T. O’Brien

Centre Intégré Universitaire de Santé et de Services Sociaux du Centre-Sud-de-l'Île-de-Montréal · CA
Area of research
Psychiatry and Mental health · Neurology
Research interest
Research interests include Dementia and Cognitive Impairment Research, Alzheimer's disease research and treatments, Parkinson's Disease Mechanisms and Treatments, and Functional Brain Connectivity Studies.
h-index
141
citations
91,393
works
1,426
NIH funding
primary concept
email

Recent publications

Frequency and Clinical Outcomes Associated With Tau Positron Emission Tomography Positivity
JAMA 2025cited by 37position: middledoi
Revised Diagnostic Criteria for Vascular Cognitive Impairment and Dementia—The VasCog-2-WSO Criteria
JAMA Neurology 2025cited by 25position: middledoi
Novel blood‐based proteomic signatures across multiple neurodegenerative diseases
Alzheimer s & Dementia 2025cited by 20position: middledoi
BenthicNet: A global compilation of seafloor images for deep learning applications
Scientific Data 2025cited by 14position: middledoi
The role of plasma inflammatory markers in late-life depression and conversion to dementia: a 3-year follow-up study
Molecular Psychiatry 2025cited by 12position: middledoi
Connectivity as a universal predictor of tau progression in atypical Alzheimer’s disease
Brain 2025cited by 6position: middledoi
European intersocietal recommendations for the biomarker-based diagnosis of neurocognitive disorders
The Lancet Neurology 2024cited by 130position: middledoi
Entorhinal‐based path integration selectively predicts midlife risk of Alzheimer's disease
Alzheimer s & Dementia 2024cited by 49position: middledoi
Blood inflammation relates to neuroinflammation and survival in frontotemporal lobar degeneration
Brain 2024cited by 36position: middledoi
Peripheral innate immunophenotype in neurodegenerative disease: blood-based profiles and links to survival
Molecular Psychiatry 2024cited by 9position: middledoi
<i>APOE</i> ε4 associates with microglial activation independently of Aβ plaques and tau tangles
Science Advances 2023cited by 77position: middledoi
The global burden of cerebral small vessel disease in low- and middle-income countries: A systematic review and meta-analysis
International Journal of Stroke 2022cited by 77position: middledoi
Framework for Clinical Trials in Cerebral Small Vessel Disease (FINESSE)
JAMA Neurology 2022cited by 77position: middledoi
Functional and structural brain network correlates of visual hallucinations in Lewy body dementia
Brain 2022cited by 50position: middledoi
Free-water imaging of the cholinergic basal forebrain and pedunculopontine nucleus in Parkinson’s disease
Brain 2022cited by 40position: middledoi
European consensus for the diagnosis of MCI and mild dementia: Preparatory phase
Alzheimer s & Dementia 2022cited by 36position: middledoi
European Stroke Organisation and European Academy of Neurology joint guidelines on post‐stroke cognitive impairment
European Journal of Neurology 2021cited by 166position: middledoi
European Stroke Organisation and European Academy of Neurology joint guidelines on post-stroke cognitive impairment
European Stroke Journal 2021cited by 125position: middledoi
Dementia wellbeing and COVID‐19: Review and expert consensus on current research and knowledge gaps
International Journal of Geriatric Psychiatry 2021cited by 86position: middledoi
Assistive technology and telecare to maintain independent living at home for people with dementia: the ATTILA RCT
Health Technology Assessment 2021cited by 64position: middledoi
PRESERVE: Randomized Trial of Intensive Versus Standard Blood Pressure Control in Small Vessel Disease
Stroke 2021cited by 36position: middledoi
Erratum
Alzheimer s & Dementia 2021cited by 2position: middledoi
Research criteria for the diagnosis of prodromal dementia with Lewy bodies
Neurology 2020cited by 763position: middledoi
Tackling challenges in care of Alzheimer's disease and other dementias amid the COVID‐19 pandemic, now and in the future
Alzheimer s & Dementia 2020cited by 201position: middledoi
Mild Cognitive Impairment: the Manchester consensus
Age and Ageing 2020cited by 200position: middledoi
Drug repositioning and repurposing for Alzheimer disease
Nature Reviews Neurology 2020cited by 195position: middledoi
Visual hallucinations in neurological and ophthalmological disease: pathophysiology and management
Journal of Neurology Neurosurgery & Psychiatry 2020cited by 131position: firstdoi
The Dementias Platform UK (DPUK) Data Portal
European Journal of Epidemiology 2020cited by 70position: middledoi
The effectiveness and cost-effectiveness of assistive technology and telecare for independent living in dementia: a randomised controlled trial
Age and Ageing 2020cited by 70position: middledoi
Cholinergic Basal Forebrain Volumes Predict Gait Decline in Parkinson's Disease
Movement Disorders 2020cited by 50position: middledoi

Grants

No grants ingested yet.

Frequent collaborators

Clive Ballard · University of Exeter15 papers (2012–2020)Alan Thomas · Newcastle upon Tyne Hospitals NHS Foundation Trust11 papers (2012–2020)Alistair Burns · University of Manchester9 papers (2012–2021)Dag Aarsland · Transnational Press London9 papers (2014–2025)John‐Paul Taylor · University of Liverpool8 papers (2015–2022)James B. Rowe · Leipzig University6 papers (2017–2025)Peter Bentham · University of Birmingham6 papers (2012–2019)Michael Firbank · Université Laval5 papers (2012–2022)Sube Banerjee · University of Nottingham5 papers (2012–2021)Robert Howard · University College London5 papers (2013–2021)Paul T. Francis · Amrita Institute of Medical Sciences and Research Centre5 papers (2014–2020)Leonardo Pantoni · University of Milan5 papers (2012–2019)David J. Burn · Ollscoil na Gaillimhe – University of Galway5 papers (2015–2022)Philip Scheltens · University Hospital Cologne4 papers (2013–2019)Craig Ritchie · St Andrew's Healthcare4 papers (2013–2024)Lars‐Olof Wahlund · Karolinska Institutet4 papers (2012–2019)James Lindesay · University of Leicester4 papers (2012–2016)Rupert McShane · University of Warwick4 papers (2013–2019)Tibor Hortobágyi · University Hospital of Zurich4 papers (2014–2016)Clive Holmes · United States Geological Survey4 papers (2012–2016)