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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...
False Memories01:18

False Memories

False memories represent a cognitive distortion in which individuals recall events that did not happen, or remember them in an altered form. This phenomenon highlights the brain's constructive nature in processing and recalling memories, emphasizing that memory is not a perfect representation of past events but rather a dynamic reconstruction influenced by various factors.
One primary source of false memories is misattribution, where individuals incorrectly associate external information with...
Personality Disorders: Dependent and Obsessive-Compulsive01:24

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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
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Repressed Memory01:16

Repressed Memory

Repressed memories are a psychological phenomenon where memories of traumatic events are unconsciously blocked from a person's awareness. This process occurs as a defense mechanism, protecting the mind from the emotional impact of distressing or painful experiences. For example, a person who has experienced childhood trauma may grow up with no conscious recollection of the event. In such cases, the memories are thought to be buried deep within the subconscious, inaccessible to the conscious...
Negative and Cognitive Symptoms of Schizophrenia01:30

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Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
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Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
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Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes loosely...

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Related Experiment Video

Updated: Jun 29, 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

False memory and obsessive-compulsive symptoms.

Heide Klumpp1, Nader Amir, Sarah N Garfinkel

  • 1Psychology Department, University of Georgia, Athens, Georgia. heidek@umich.edu

Depression and Anxiety
|October 8, 2008
PubMed
Summary
This summary is machine-generated.

Individuals with obsessive-compulsive disorder (OCD) show increased false memories for threat-related material, relying more on familiarity than recollection. This suggests a potential mechanism contributing to compulsive behaviors in OCD.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Psychiatry

Background:

  • The memory deficit hypothesis for obsessive-compulsive disorder (OCD) has yielded mixed results, particularly concerning verbal memory accuracy.
  • Previous studies often overlooked false recognition, focusing instead on accurate recall or recognition of presented material.
  • This study investigates false memories and underlying memory processes in individuals with OCD, comparing them to matched controls and non-anxious individuals.

Purpose of the Study:

  • To evaluate false memory formation in individuals with obsessive-compulsive washing symptoms (OC).
  • To examine memory processes, specifically recollective clarity, differentiating OC individuals from those with depression/anxiety (D/A) and non-anxious controls (NAC).
  • To explore the role of familiarity versus recollection in memory for threat-relevant, positive, and neutral material.

Main Methods:

  • Participants (OC, D/A, NAC) were presented with OC-threat, positive, and neutral scenarios.
  • A recognition test was administered, with false memories defined as erroneous recognition of unpresented words associated with encoded scenarios.
  • A modified remember/know task assessed recollective clarity for different memory types.

Main Results:

  • Obsessive-compulsive individuals exhibited a higher 'know' response (familiarity) for false memories related to threat compared to D/A and NAC groups.
  • For accurate memories, OC individuals also showed increased 'know' responses compared to NAC, but not D/A individuals.
  • These findings indicate a differential reliance on familiarity for both veridical and false memories in OCD.

Conclusions:

  • Increased reliance on familiarity, particularly for false threat memories, in individuals with OC symptoms may heighten uncertainty.
  • This heightened uncertainty regarding threat-relevant material could be a contributing factor to the maintenance of compulsive behaviors in OCD.
  • The study highlights the importance of considering false memory and familiarity-based processing in understanding OCD pathophysiology.