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Related Concept Videos

Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events, are a...
Traumatic Memory01:20

Traumatic Memory

Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual remembers mundane...
Dissociative Identity Disorder01:30

Dissociative Identity Disorder

Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
Psychological Responses to Stress01:20

Psychological Responses to Stress

Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
Eyewitness Memory01:22

Eyewitness Memory

Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
One such error is memory distortion, which occurs because human memory does not function like a...
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...

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Related Experiment Video

Updated: Jun 21, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder
09:55

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Published on: March 8, 2018

Information Processing Bias in Post-traumatic Stress Disorder.

Darren L Weber1

  • 1Dynamic Neuroimaging Laboratory The University of California, San Francisco, CA, USA.

The Open Neuroimaging Journal
|July 30, 2009
PubMed
Summary
This summary is machine-generated.

Individuals with post-traumatic stress disorder (PTSD) show heightened sensitivity to trauma-related information and impaired processing of neutral stimuli. Cognitive and neuroimaging studies support these findings in PTSD.

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Last Updated: Jun 21, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder
09:55

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Published on: March 8, 2018

Polar Histogram Visualization of Acute Stress Disorder Scale Scores for Comprehensive Clinical Assessment
08:25

Polar Histogram Visualization of Acute Stress Disorder Scale Scores for Comprehensive Clinical Assessment

Published on: December 6, 2024

Area of Science:

  • Cognitive Neuroscience
  • Psychiatry
  • Neurobiology

Background:

  • Post-traumatic stress disorder (PTSD) is associated with significant cognitive alterations.
  • Information processing abnormalities are a key feature of PTSD, affecting both emotional and neutral stimuli.

Purpose of the Study:

  • To review the theoretical and empirical evidence for abnormal information processing in PTSD.
  • To examine the interplay between trauma-related and neutral cognitive processing in PTSD.

Main Methods:

  • Review of cognitive studies, including neuropsychological tasks.
  • Analysis of neuroimaging data (functional MRI, event-related potentials).
  • Examination of theoretical models of information processing in PTSD.

Main Results:

  • PTSD is characterized by heightened sensitivity to trauma-related information.
  • Individuals with PTSD exhibit impaired attention and memory for neutral information.
  • Neuroimaging reveals altered brain activity in affective networks during traumatic cognition and abnormal processing of neutral stimuli.

Conclusions:

  • Evidence supports theories of trauma sensitivity and abnormal neutral stimulus processing in PTSD.
  • The concurrent interference of trauma cognition with neutral cognition in PTSD is tentatively supported.
  • Further research is needed to elucidate the mechanisms underlying the interaction between traumatic and neutral content processing in PTSD.