Tarek K. Rajji, MD

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

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

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

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

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

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

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

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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Consensus Report on XT Use in Practice

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Figure: Graphic promoting Consensus Report on Xanomeline-Trospium; colorful net design shown with JCP logo in lower left.

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