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Related Experiment Video

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Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection
11:30

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection

Published on: August 26, 2011

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Autobiographical thinking interferes with episodic memory consolidation.

Michael Craig1, Sergio Della Sala1, Michaela Dewar2

  • 1Human Cognitive Neuroscience, Department of Psychology, University of Edinburgh, Edinburgh, United Kingdom; Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom.

Plos One
|April 17, 2014
PubMed
Summary
This summary is machine-generated.

Engaging in autobiographical thinking after learning new information can disrupt memory consolidation. This internal memory activity, like external novel encoding, hinders the retention of recent episodic memories.

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Area of Science:

  • Cognitive Neuroscience
  • Psychology

Background:

  • Episodic memory consolidation is crucial for retaining new experiences.
  • Novel external information encoding is known to interfere with this process.

Purpose of the Study:

  • To investigate whether internal memory activities, specifically autobiographical thinking, also interfere with episodic memory consolidation.
  • To determine if autobiographical retrieval/future imagination, cued by external stimuli, impacts recent memory retention.

Main Methods:

  • Participants learned three wordlists, followed by wakeful rest, novel picture encoding, or cued autobiographical retrieval/future imagination.
  • Retention of wordlists was compared across conditions.

Main Results:

  • Both novel encoding and autobiographical retrieval/future imagination significantly reduced wordlist retention.
  • Interference from autobiographical retrieval was not solely due to sound cues or executive processes.
  • A temporal gradient of interference was observed across experiments.

Conclusions:

  • Rich autobiographical retrieval/future imagination can hamper the consolidation of recently acquired episodic memories.
  • External concrete cues may exacerbate this interference effect.