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  1. Home
  3. Chilling And Blurring Negative Memories: An Experimental Memory Training Study.
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  3. Chilling And Blurring Negative Memories: An Experimental Memory Training Study.

Related Experiment Video

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
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Chilling and Blurring Negative Memories: An Experimental Memory Training Study.

Fatemeh Azar1, Tara Rezapour2, Hossein Karsazi1

  • 1Department of Psychology, Faculty of Psychology and Education, University of Tehran (UT), Tehran, Iran.

Basic and Clinical Neuroscience
|July 14, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

Interfering with working memory during memory recall reduced memory vividness. Broadening attentional scope did not significantly alter memory formation compared to control or working memory interference groups.

Keywords:
Broadening attentional scope BAS)Emotional memoryVividnessWorking memory interference (WMI)

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Memory Research

Background:

  • Memory reconsolidation is a critical period for memory modification.
  • Attentional scope and working memory are key cognitive processes influencing memory.

Purpose of the Study:

  • To investigate the impact of broadening attentional scope (BAS) during memory acquisition and working memory interference (WMI) during memory reconsolidation on memory formation.
  • To assess how these interventions affect memory vividness, emotionality, and intrusive memories.

Main Methods:

  • 95 participants were randomized into control, BAS, or WMI groups.
  • The BAS group focused on peripheral details during a traumatic film; the WMI group performed a spatial working memory task.
  • Memory vividness, emotionality, valence, arousal, dominance, and intrusive memories were measured.

Main Results:

  • Working memory interference significantly reduced the vividness of negatively valenced memories (P=0.004).
  • No significant differences were found between groups for emotionality, arousal, dominance, or intrusive memories.
  • The WMI group showed greater success in reducing the vividness of negatively valenced memories post-intervention.

Conclusions:

  • Interfering with visuospatial working memory during memory retrieval can diminish memory vividness.
  • Broadening attentional scope did not yield significant changes in memory characteristics compared to control or WMI.
  • Further research with larger samples and objective measures is recommended for clinical implications.