What Role Does Cognition Play in Violence in Psychotic Disorders?

Last Updated on September 24th, 2026 at 05:34 pm
Originally Published on September 28th, 2022 at 08:00 am

Overview

How strong is the link between severe neurocognitive impairment and violence in individuals diagnosed with psychotic disorders?

Summary

Individuals diagnosed with psychotic disorders, such as schizophrenia, have a higher risk of engaging in violent behavior. 

Studies have identified the risk factors for violence to be, previous crime, delusions or hallucinations, substance abuse and a lack of insight. 

Newer risk factors, with less scientific backing, are executive functions and Theory of Mind. 

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Reference

SOURCE RESEARCH

Cognition and violent behavior in psychotic disorders: A nationwide case-controlled study

Lamsma, J., Cahn, W., Fazel, S., Genetic Risk and Outcome of Psychosis (GROUP) investigators. (2020). Cognition and violent behavior in psychotic disorders: A nationwide case-controlled study. Schizophrenia Research: Cognition, 19, 100166.

Published: 2020

DOI: 10.1016/j.scog.2019.100166

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