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Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
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Published on: August 24, 2012

Human memory reconsolidation can be explained using the temporal context model.

Per B Sederberg1, Samuel J Gershman, Sean M Polyn

  • 1Department of Psychology, The Ohio State University, Columbus, OH 43210, USA. sederberg.1@osu.edu

Psychonomic Bulletin & Review
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Summary
This summary is machine-generated.

This study shows that the temporal context model explains how memory updates, demonstrating asymmetric intrusions without needing cellular reconsolidation for episodic memory.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Memory Research

Background:

  • Previous research suggested episodic memory updates involve cellular reconsolidation.
  • An asymmetric intrusion effect was observed, with more second-list items intruding into first-list recall.

Purpose of the Study:

  • To demonstrate that the temporal context model can explain asymmetric intrusions in episodic memory.
  • To challenge the necessity of cellular reconsolidation for memory updating.

Main Methods:

  • Utilizing established principles of contextual reinstatement.
  • Applying item-context binding mechanisms within the temporal context model.

Main Results:

  • The temporal context model successfully accounted for the observed asymmetric intrusion effect.
  • The model explained memory updating without invoking cellular reconsolidation.

Conclusions:

  • The temporal context model provides a sufficient explanation for episodic memory updating and asymmetric intrusions.
  • Cellular reconsolidation may not be the sole mechanism underlying these memory phenomena.