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Related Concept Videos

Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
Personality Disorders: Dependent and Obsessive-Compulsive01:24

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Positive Symptoms Schizophrenia: Hallucinations and Delusions

Schizophrenia is a complex psychiatric disorder characterized by a range of symptoms that significantly impact cognition, behavior, and emotional regulation. Among these, the positive symptoms stand out as they involve the addition or exaggeration of normal mental functions, deviating markedly from typical behavior and perception. Hallucinations and delusions are prominent positive symptoms, each profoundly affecting the individual's experience of reality.
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In general, a schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
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Related Experiment Video

Updated: May 12, 2026

Assessing Burrowing, Nest Construction, and Hoarding in Mice
08:23

Assessing Burrowing, Nest Construction, and Hoarding in Mice

Published on: January 5, 2012

Beliefs and experiences in hoarding.

Olivia M Gordon1, Paul M Salkovskis, Victoria B Oldfield

  • 1Royal Holloway, University of London, UK. Olivia.Gordon@kcl.ac.uk

Journal of Anxiety Disorders
|April 23, 2013
PubMed
Summary

Hoarding disorder may stem from diverse beliefs, including harm avoidance and emotional attachment to possessions. This study found distinct belief patterns in individuals with and without co-occurring Obsessive-Compulsive Disorder (OCD), supporting hoarding as a separate syndrome.

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Published on: March 14, 2025

Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Behavioral Science

Background:

  • Hoarding disorder is increasingly recognized as heterogeneous.
  • Belief dimensions like harm avoidance, fear of deprivation, and sentimentality may underlie hoarding.
  • The relationship between hoarding and Obsessive-Compulsive Disorder (OCD) requires further clarification.

Purpose of the Study:

  • To evaluate the role of hypothesized belief dimensions in hoarding.
  • To examine the association between compulsive hoarding and OCD.
  • To compare clinical presentations across hoarding groups.

Main Methods:

  • Comparative study design.
  • Assessment of belief dimensions (harm avoidance, material deprivation, sentimentality).
  • Evaluation of clinical variables in hoarding disorder and OCD.

Main Results:

  • Individuals with hoarding and co-occurring OCD reported greater harm avoidance beliefs.
  • No significant difference in material deprivation or attachment beliefs between hoarding groups.
  • Clinical presentations suggest hoarding disorder is distinct from OCD.

Conclusions:

  • Harm avoidance beliefs are more pronounced in individuals with hoarding and co-occurring OCD.
  • Hoarding disorder appears to be a distinct clinical syndrome, separate from OCD.
  • Further research into the heterogeneity of hoarding disorder is warranted.