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Related Concept Videos

Psychosis and Antipsychotic Drugs: Overview01:28

Psychosis and Antipsychotic Drugs: Overview

The term "psychosis" refers to a spectrum of mental disorders characterized by abnormal thoughts, perceptions, and behaviors. It can manifest as mood disorders, dementia, delirium with psychotic features, substance-induced psychosis with psychotic features, brief psychotic disorder, delusional disorder, schizoaffective disorder, and schizophrenia. Among all these disorders, schizophrenia is the most common psychotic disorder, affecting 1% of the worldwide population. Psychotic symptoms in all...
Introduction to Psychological Disorders01:19

Introduction to Psychological Disorders

Abnormal behavior, often referred to as mental illness, results from changes in brain function that influence thought patterns, behaviors, and social interactions. Psychologists and psychiatrists typically assess abnormal behavior using three primary criteria: deviance, maladaptation, and personal distress, particularly when these traits persist over long periods.
Deviant Behavior
Deviance in behavior refers to actions or thought patterns that significantly diverge from societal norms or...
Theoretical Approaches to Psychological Disorder01:29

Theoretical Approaches to Psychological Disorder

The development of psychological disorders, which are characterized by deviant, maladaptive, and personally distressing behaviors, has been explored through several theoretical approaches.
Biological approach
The biological approach posits that internal, organic factors are the primary causes of such disorders. This perspective emphasizes brain structure and function, genetic predispositions, and neurotransmitter imbalances. For example, schizophrenia has been associated with both genetic...
Diagnostic and Statistical Manual of Mental Disorders (DSM)01:27

Diagnostic and Statistical Manual of Mental Disorders (DSM)

The Diagnostic and Statistical Manual of Mental Disorders (DSM) serves as the primary classification system for mental health disorders, providing standardized diagnostic criteria for clinicians and researchers. First published by the American Psychiatric Association (APA) in 1952, the DSM has undergone several revisions to reflect evolving psychiatric understanding. The fifth edition, DSM-5, released in 2013, introduced key updates that expanded diagnostic categories and modified diagnostic...
Factors Affecting Illness01:18

Factors Affecting Illness

When a person's physical, emotional, intellectual, social development or spiritual functioning is compromised, this deviation from a healthy normal state is called illness. Illness creates stress that in turn harms individuals. Irritation, anger, denial, hopelessness, and fear are behavioral and emotional changes an individual experiences in the phases of illness. A variety of factors influence a person's health and well-being.
For instance, risk factors are connected to illness, disability,...
Stress and Mental Health01:30

Stress and Mental Health

Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...

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Related Experiment Video

Updated: Jul 20, 2026

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
09:12

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

Published on: July 4, 2013

Violence and mental illness: an overview.

Heather Stuart1

  • 1Department of Community Health and Epidemiology, Abramsky Hall, Queen’s University, Kingston, Ontario, K7L 3N6, Canada.

World Psychiatry : Official Journal of the World Psychiatric Association (WPA)
|September 2, 2006
PubMed
Summary

The mentally ill are not inherently violent; socio-demographic factors and substance abuse are key drivers of violence. Early intervention for substance abuse can aid violence prevention strategies.

Area of Science:

  • Psychiatry
  • Criminology
  • Public Health

Background:

  • Public perception often links mental illness with violence, creating stigma.
  • Understanding the true relationship between mental disorders and violent behavior is crucial for effective public health strategies.

Purpose of the Study:

  • To critically evaluate the association between mental illness and violence.
  • To determine if individuals with mental illness are at increased risk of perpetrating violence.
  • To assess the public's perception of risk from the mentally ill population.

Main Methods:

  • Literature review and synthesis of existing research on mental illness and violence.
  • Analysis of epidemiological data and risk factors associated with violent behavior.
  • Examination of public perception surveys and media portrayals.

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Using Visual and Narrative Methods to Achieve Fair Process in Clinical Care
14:32

Using Visual and Narrative Methods to Achieve Fair Process in Clinical Care

Published on: February 16, 2011

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The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
09:12

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

Published on: July 4, 2013

Using Visual and Narrative Methods to Achieve Fair Process in Clinical Care
14:32

Using Visual and Narrative Methods to Achieve Fair Process in Clinical Care

Published on: February 16, 2011

Main Results:

  • Mental disorders are neither necessary nor sufficient causes of violence; socio-demographic and economic factors are major determinants.
  • Substance abuse is a significant determinant of violence, irrespective of co-occurring mental illness.
  • Public perception overestimates the link between mental illness and violence, and personal risk.

Conclusions:

  • The mentally ill are more frequently victims than perpetrators of violence.
  • Early identification and treatment of substance abuse are potential violence prevention strategies.
  • Further research into social contextual determinants of violence is needed to improve understanding and reduce stigma.