Sanjeev Kumar, MD, for the ONDRI Investigators

University of Toronto, Toronto, Ontario, Canada; Centre for Addiction and Mental Health, Toronto, Ontario, Canada

  • 3Articles
  • 4.6KReads
  • 2017–2026Active
  • 35Collaborators
  • 32Citations

About

Sanjeev Kumar, MD, is affiliated with the University of Toronto and the Centre for Addiction and Mental Health in Toronto, Ontario, Canada. He has contributed to research on cognition, Alzheimer disease, geriatrics, addiction, and neurology. Kumar has published three articles with Psychiatrist.com from 2017 to 2026 and frequently collaborates with David F. Tang-Wai, Tarek K. Rajji, Agessandro Abrahao, Angela Roberts, and Angela Troyer.

Publications

JCP
Neuropsychiatric Symptom Clusters and Brain Structure in Alzheimer’s Disease
Original Research

Neuropsychiatric Symptom Clusters and Brain Structure in Alzheimer’s Disease

March 16, 2026

Neuropsychiatric symptoms in Alzheimer’s disease separate into hyperactivity, psychosis, neurovegetative, and affective clusters, supporting a cluster-based paradigm linking behavioral symptoms with brain structure and functional decline.
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JCP
Effects of Alcohol Use on Cognition in Individuals With Neurocognitive Disorders
Original Research

Effects of Alcohol Use on Cognition in Individuals With Neurocognitive Disorders

August 6, 2025

In a memory clinic cohort of patients with neurocognitive disorders, alcohol related cognitive impairment resulted in specific deficits involving cognitive control during delayed recall task.
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JCP
Original Research

Anticholinergic Burden and Cognition in Schizophrenia

November 28, 2017

Due to the likelihood of their taking multiple medications, older persons with schizophrenia often have a high anticholinergic burden. Read this article to learn the extent to which high...
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