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Forgetting trauma stimuli.

Anne P DePrince1, Jennifer J Freyd

  • 1Department of Psychology, University of Denver, CO 80208, USA. adeprinc@du.edu

Psychological Science
|June 18, 2004
PubMed
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High dissociators exhibit impaired memory for trauma-related words under divided attention, unlike neutral words. This suggests dissociation aids in managing threatening memories, particularly for those with betrayal trauma histories.

Area of Science:

  • Psychology
  • Cognitive Neuroscience
  • Trauma Studies

Background:

  • Previous research indicated cognitive impairments in high dissociators under focused attention.
  • These impairments were not observed under divided attention in prior studies.

Purpose of the Study:

  • To investigate memory performance in high dissociators under divided attention.
  • To explore the relationship between dissociation, trauma history, and memory for threatening information.

Main Methods:

  • Utilized a directed-forgetting paradigm to assess memory.
  • Compared memory recall for trauma-related versus neutral words in high and low dissociators under divided attention.
  • Collected self-reported trauma history data.

Main Results:

Related Experiment Videos

  • High dissociators showed impaired memory for trauma words, but not neutral words, under divided attention.
  • High dissociators reported significantly higher overall trauma and betrayal trauma histories.
  • Findings align with dissociation's proposed role in suppressing threatening awareness.

Conclusions:

  • Dissociation may serve as a mechanism to exclude threatening information from awareness.
  • Individuals with histories of betrayal trauma may utilize dissociation to cope with distressing memories.
  • Divided attention conditions reveal specific memory deficits in high dissociators related to trauma.