Patients with bipolar I disorder (BD) experience depression 3 times more frequently than mania, and antidepressants are prescribed as adjuncts to mood stabilizers in up to 70% of patients.

This is a randomized, double-blind, placebo-controlled, multicentre, parallel-group study to assess the cognitive effects of lurasidone in bipolar I and II patients (manic depression) who are in remission from an episode.

The Wellness Monitoring for Major Depressive Disorder (MDD) study is a prospective, longitudinal, observational study aimed at identifying biomarkers of relapse in MDD.

The goal of the current study is to determine the prevalence, rate, and types of pregnancy complications and early life events that may be associated with the emergence of psychosis and related metabolic disorder in patients with schizophrenia spectrum disorders.

The purpose of this study is to determine the clinical, cognitive, motor, brain imaging, genetic and biochemical biomarker characteristics of Alzheimer disease (AD), subcortical vascular disease (SVaD) and mixed dementia (AD + sVaD).

The purpose of this study is to assess the safety, tolerability, biomarker and cognitive efficacy of gantenerumab and solanezumab in subjects who are known to have an Alzheimer's disease-causing mutation by determining if treatment with the study drug improves cognitive outcomes and disease-relat

The purpose of this study is to provide subjects who have completed participation in a Phase 2 or Phase 3 trial with TRx0237 continued access to therapy and to evaluate the long-term safety of TRx0237.

The primary objective of the study is to evaluate the efficacy of monthly doses of aducanumab in slowing cognitive and functional impairment as measured by changes in the Clinical Dementia Rating-Sum of Boxes (CDR-SB) score as compared with placebo in participants with early AD.

This double-blind crossover study aims to compare cognitive performance (e.g., working memory, selective attention and cognitive flexibility) of children ages 6-18 years diagnosed with ADHD of the combined type (ADHD-C) or inattentive-type (ADHD-IA) and currently on > 20 mg/day of psychostimul

Bipolar-I Disorder is a common condition that is characterized by periods of mood elevation however periods of chronic and recurring depressive episodes are more common and can be severely disabling.

The investigators will conduct a proof-of-concept randomized controlled trial study to provide preliminary evidence of efficacy of a resistance exercise training program for maintaining white matter integrity and improving cognitive function in older adults with vascular cognitive impairment, com

This study is a pilot to assess feasibility of the protocol in patients and controls across six participating sites.

Parkinson's disease (PD) is a progressive neurological disease that has effects on both movement and mental health. One of the most common mental health complications of PD is depression. Up to 30% of Parkinson's patients will experience depression at some point.

Antidepressant-induced sexual dysfunction (AISD) affects the majority of women taking antidepressants and reduces medication compliance: however there is a paucity of evidence-based strategies for the management of this condition.

We aim to examine the relationship bewteen cognitive function and sleep quality as a function of aging; and to determine whether sleep disruptions differ across individuals with mild cognitivie impairment, depending on stroke-status (i.e., chronic stroke survivors versus non-stroke).

This is a prospective, multicenter, randomized, double-blinded clinical trial exploring the efficacy and safety of rivaroxaban as compared to acetylsalicylic acid in reducing stroke, transient ischemic attack (TIA) and neurocognitive decline, in subjects with non-valvular AF and with low risk of

The investigators will conduct a 8-week proof-of-concept randomized controlled trial to provide preliminary evidence of efficacy of Fit Brains (Rosetta Stone Canada) training -- a mobile cognitive training program -- on cognitive and brain plasticity in older adults.

The proposed SYNERGIC trial is uniquely designed to evaluate the effect of aerobic and progressive resistance training exercises, combined with cognitive training and Vitamin D3 supplementation, in cognition and mobility in older adults with Mild Cognitive Impairment (MCI).

The objectives of this 15-day study are:

The purpose of this study is to collect data on patients in Canada who are switching from oral antipsychotic therapy to INVEGA® SUSTENNA® to treat schizophrenia.

The goals of the study are: