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Related Concept Videos

Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

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

Personality Disorders: Dependent and Obsessive-Compulsive

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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...
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Anxiety: Overview01:18

Anxiety: Overview

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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.
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Oppositional Defiant Disorder01:30

Oppositional Defiant Disorder

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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...
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Panic Disorder01:27

Panic Disorder

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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...
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Social Anxiety Disorder01:28

Social Anxiety Disorder

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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: Apr 11, 2026

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
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Obsessive-compulsive disorder.

Daniel A Drubach

    Continuum (Minneapolis, Minn.)
    |June 4, 2015
    PubMed
    Summary

    Obsessive-compulsive disorder (OCD) is linked to neurologic conditions and features neuropsychiatric symptoms. Advances in understanding OCD neurobiology are paving the way for novel treatments beyond current therapies.

    Area of Science:

    • Neuroscience
    • Psychiatry
    • Neurology

    Background:

    • Obsessive-compulsive disorder (OCD) is a complex neuropsychiatric condition.
    • It is characterized by obsessions and compulsions, significantly impacting quality of life.
    • OCD is frequently associated with primary psychiatric and various neurologic disorders.

    Observation:

    • Recent research has significantly improved the understanding of OCD's neurobiology.
    • The intricate relationship between OCD and neurologic disorders is increasingly evident.
    • A substantial number of patients do not respond adequately to standard treatments.

    Findings:

    • Elucidated neurobiological mechanisms of OCD offer new therapeutic avenues.
    • Cognitive-behavioral therapy and SSRIs remain primary treatments.

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  • Novel investigational treatments, including neuromodulation, are emerging.

    • Implications:

    • Enhanced understanding of OCD neurobiology promises to revolutionize treatment strategies.
    • Future therapies may offer more effective solutions for treatment-refractory OCD patients.
    • The integration of neurologic and psychiatric approaches is crucial for comprehensive OCD management.