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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

Personality Disorders: Dependent and Obsessive-Compulsive

Dependent personality disorder and obsessive-compulsive personality disorder are two separate psychological conditions that influence behavior, relationships, and overall life functioning. Though both involve maladaptive behaviors, their core characteristics and motivations differ significantly.
 Dependent Personality Disorder
Dependent personality disorder is characterized by an excessive reliance on others to manage various aspects of life. Individuals with this disorder often struggle with...
Anxiety: Overview01:18

Anxiety: Overview

Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
Panic Disorder01:27

Panic Disorder

Panic disorder is an anxiety disorder characterized by recurrent and sudden minutes-long episodes of intense fear, known as panic attacks. These attacks may feel like heart attacks and often happen without warning or a specific cause. They can include symptoms such as rapid heart rate, shortness of breath, chest pain, trembling, sweating, dizziness, and a sense of helplessness. During a panic attack, individuals may feel as though they are experiencing a heart attack or are in a...
Oppositional Defiant Disorder01:30

Oppositional Defiant Disorder

A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
Diagnostic Criteria and...
Generalized Anxiety Disorder01:30

Generalized Anxiety Disorder

Generalized Anxiety Disorder (GAD) is a chronic condition characterized by excessive and uncontrollable worry that persists for at least six months, significantly interfering with daily functioning. Unlike situational anxiety, which arises in response to specific stressors, GAD often occurs without a clear cause. Individuals may experience disproportionate worry about work, health, or relationships. For instance, a person might continuously fear poor health despite normal medical evaluations or...

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Updated: Jun 27, 2026

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
09:29

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Published on: January 9, 2015

[Obsessive-compulsive disorder].

D S van Grootheest1, O A van den Heuvel, D C Cath

  • 1Vrije Universiteit, afd. Biologische Psychologie, Van der Boechorststraat 1, 1081 BT Amsterdam. ds.van.grootheest@psy.vu.nl

Nederlands Tijdschrift Voor Geneeskunde
|November 26, 2008
PubMed
Summary
This summary is machine-generated.

Obsessive-compulsive disorder (OCD) is a common and disabling psychiatric condition. Effective treatments like medication and cognitive behavioral therapy are available, though shame often delays care.

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Area of Science:

  • Psychiatry
  • Neuroscience

Background:

  • Obsessive-compulsive disorder (OCD) is a complex psychiatric disorder defined by obsessions and compulsions.
  • OCD has a significant prevalence and causes substantial disability.
  • Shame associated with OCD leads to treatment access delays.

Discussion:

  • OCD arises from intricate genetic and environmental interactions.
  • Pharmacotherapy, including clomipramine and selective serotonin reuptake inhibitors (SSRIs), is effective.
  • Cognitive behavior therapy (CBT) offers another effective treatment avenue.

Key Insights:

  • Understanding the interplay of genetic and environmental factors is crucial for OCD.
  • Timely access to evidence-based treatments can mitigate OCD's disabling effects.
  • Addressing the shame associated with OCD is vital for improving patient outcomes.

Outlook:

  • Further research into the neurobiological underpinnings of OCD.
  • Development of more targeted and personalized treatment strategies for OCD.
  • Public health initiatives to reduce stigma and improve early detection of OCD.