Tarek K. Rajji, MD

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

  • 6Articles
  • 78.5KReads
  • 2016–2026Active
  • 45Collaborators
  • 124Citations

About

Tarek K. Rajji, MD, is affiliated with the University of Toronto and the Centre for Addiction and Mental Health in Toronto, Ontario, Canada. Rajji has published extensively on cognition, neurology, and geriatric psychiatry, with a focus on Alzheimer disease, dementia, schizophrenia and schizoaffective disorders, and suicide. His work addresses topics such as neuropsychiatric symptom clusters in Alzheimer disease, the cognitive effects of anticholinergic burden in older patients with schizophrenia, and the use of repetitive transcranial magnetic stimulation to reduce suicidal ideation in depression. Rajji's research contributions span from 2016 to 2026 and have appeared in Psychiatrist.com.

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
Commentary

Dementia in Older Antidepressant-Treated Adults

August 25, 2020

In this commentary, the authors discuss the article by Bartels and colleagues on the relationship between antidepressant use and risk of incident dementia in older adults.
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JCP
Original Research

Does rTMS Decrease Suicidal Ideation?

April 17, 2018

Read a study on the effects of rTMS on suicidal ideation in patients with treatment-resistant major depression (TRD).
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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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JCP
Original Research

Insight Into Schizophrenia in Earlier and Later Life

April 26, 2017

Over half of patients with schizophrenia experience impaired insight into their illness, which often contributes to negative outcomes. Here, increase your own insight into predicting which of your patients...
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JCP
Article

Hyperprolactinemia in Older Patients With Schizophrenia

December 28, 2016

Since older patients are known to be hypersensitive to antipsychotics, are they vulnerable to developing hyperprolactinemia with these drugs? This post hoc study looked at whether the dopamine D2/3...
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