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Related Concept Videos

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...
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...
Physiology of Emotion01:20

Physiology of Emotion

The physiology of emotions is a multifaceted process involving the autonomic nervous system, brain structures, hormones, and neurotransmitters. This intricate interplay dictates how emotions manifest in the body and influence behavior.
Autonomic Nervous System
The autonomic nervous system (ANS) plays a critical role in emotional responses by regulating involuntary physiological functions. It consists of two main components: the sympathetic and parasympathetic systems. The sympathetic system...
Factors Affecting Perception01:25

Factors Affecting Perception

Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
Emotional Expression01:26

Emotional Expression

Emotional expression encompasses how individuals convey their emotions through verbal communication and non-verbal cues. These non-verbal actions include facial expressions, body language, and physical gestures, such as frowning or smiling. Among these, facial expressions play a crucial role in emotional expression and are understood universally, indicating a biological basis for how humans communicate emotions.
Universal Facial Expressions
Psychologist Paul Ekman identified seven basic...
Socioemotional Development during Infancy01:30

Socioemotional Development during Infancy

Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
Stella Chess...

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Related Experiment Video

Updated: May 26, 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

Individual differences in emotionality and peri-traumatic processing.

Shanna Logan1, Richard O'Kearney

  • 1Department of Psychology, Australian National University, Canberra, ACT 0200, Australia.

Journal of Behavior Therapy and Experimental Psychiatry
|December 27, 2011
PubMed
Summary
This summary is machine-generated.

Sensory processing interference reduced intrusive memories after viewing a trauma film, but only for individuals with high trait anxiety. This finding offers insights into preventing post-traumatic distress.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Trauma Studies

Background:

  • Cognitive models suggest emotional arousal during trauma disrupts conceptual processing, leading to intrusive memories.
  • This disruption enhances sensory/perceptual processing, potentially maintaining intrusive memories.

Purpose of the Study:

  • To investigate if inhibiting conceptual or sensory processing affects intrusive memories after trauma exposure.
  • To examine if individual differences in emotionality moderate these effects.

Main Methods:

  • 105 non-clinical participants viewed a traumatic film.
  • Participants completed a conceptual interference task, sensory interference task, or no interference task.
  • Intrusion frequency and intensity were recorded over one week.

Main Results:

  • No facilitating effect of conceptual interference on intrusions was found.
  • Sensory interference significantly reduced intrusion frequency, but only for high trait anxiety participants.
  • High trait anxiety participants in the sensory interference group reported lower intrusion intensity.

Conclusions:

  • Concurrent sensory/perceptual processing attenuates intrusions, but this effect is specific to individuals with high trait anxiety.
  • Findings support cognitive models of intrusion development.
  • Results have implications for preventing post-traumatic distress.