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Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

1.1K
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...
1.1K
Personality Disorders: Dependent and Obsessive-Compulsive01:24

Personality Disorders: Dependent and Obsessive-Compulsive

771
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...
771
Anxiety: Overview01:18

Anxiety: Overview

1.3K
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.
1.3K
Panic Disorder01:27

Panic Disorder

1.2K
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...
1.2K
Oppositional Defiant Disorder01:30

Oppositional Defiant Disorder

1.5K
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...
1.5K
Social Anxiety Disorder01:28

Social Anxiety Disorder

870
Social anxiety disorder, also known as social phobia, is characterized by an intense fear of social situations where one might face humiliation, rejection, embarrassment, or negative evaluation. This disorder leads individuals to avoid activities like casual conversations, public speaking, or seemingly simple tasks such as eating, signing documents, or swimming, in public settings. Its impact extends beyond discomfort, often significantly interfering with daily functioning and quality of life.
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Related Experiment Video

Updated: May 4, 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

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[The obsessive compulsive disorder].

João Flores Alves Dos Santos1, Luc Mallet2

  • 1Service de psychiatrie de liaison et intervention crise, hôpitaux universitaires de Genève (HUG), Genève, Suisse - Équipe BEBG (behavior, emotion and basal ganglia), Institut du cerveau et de la moelle épinière (ICM), hôpital Pitié-Salpêtrière, 47, boulevard de l'Hôpital, 75013 Paris, France.

Medecine Sciences : M/S
|December 21, 2013
PubMed
Summary
This summary is machine-generated.

Obsessive compulsive disorder (OCD) affects many, with 30% resistant to standard treatments. Emerging research into its causes is paving the way for novel therapies like neuromodulation for severe cases.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Genetics

Context:

  • Obsessive compulsive disorder (OCD) is a prevalent mental health condition.
  • Standard pharmacological and psychotherapeutic treatments are insufficient for approximately 30% of patients.
  • These non-responsive patients experience persistent, severe symptoms impacting daily functioning.

Purpose:

  • To explore the physiopathology of OCD through integrated data.
  • To identify and develop novel treatment strategies for severe and refractory OCD cases.

Summary:

  • Recent advancements in understanding OCD involve integrating neuroanatomical, neurochemical, neuropsychological, genetic, and phenomenological data.
  • This enhanced understanding facilitates the development of new therapeutic approaches.
  • Neuromodulation is emerging as a promising treatment for severe and treatment-resistant OCD.

Impact:

  • Improved understanding of OCD pathophysiology.
  • Development of innovative treatments for refractory OCD.
  • Potential for enhanced patient outcomes and functional recovery in severe OCD cases.