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Related Concept Videos

False Memories01:18

False Memories

False memories represent a cognitive distortion in which individuals recall events that did not happen, or remember them in an altered form. This phenomenon highlights the brain's constructive nature in processing and recalling memories, emphasizing that memory is not a perfect representation of past events but rather a dynamic reconstruction influenced by various factors.
One primary source of false memories is misattribution, where individuals incorrectly associate external information with...
Eyewitness Memory01:22

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Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

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Related Experiment Video

Updated: Jun 16, 2026

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
07:26

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory

Published on: January 31, 2017

Does sleep promote false memories?

Annabelle Darsaud1, Hedwige Dehon, Olaf Lahl

  • 1University of Liège, Belgium.

Journal of Cognitive Neuroscience
|February 12, 2010
PubMed
Summary
This summary is machine-generated.

Sleep enhances both accurate and false memory recall by strengthening brain connections. This suggests sleep aids overall memory consolidation, not just accurate information, impacting memory organization during initial encoding.

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08:53

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories

Published on: November 14, 2018

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Sleep Research

Background:

  • Memory is a constructive process prone to distortions and false recollections.
  • Sleep plays a role in memory consolidation, but its effect on memory accuracy versus distortion is debated.

Purpose of the Study:

  • To investigate the influence of sleep versus sleep deprivation on the brain's neural correlates of accurate and false memory recollections using functional magnetic resonance imaging (fMRI).

Main Methods:

  • Participants encoded lists of word associates.
  • Half were sleep-deprived, while the other half slept post-encoding.
  • Memory recall was tested 3 days later using fMRI to assess brain activity during recognition of studied words, critical theme words, and new words.

Main Results:

  • Sleep, compared to deprivation, enhanced both accurate and false recollections.
  • No significant difference in brain responses to false recollections was found between sleep and deprivation groups.
  • Following sleep (but not deprivation), both accurate and illusory recollections were associated with activity in the hippocampus and retrosplenial cortex.

Conclusions:

  • Sleep promotes systems-level consolidation in hippocampo-neocortical circuits, affecting memories linked to both accurate and illusory recollections.
  • Sleep does not selectively enhance illusory memories.
  • Initial memory organization during encoding significantly influences the subsequent likelihood of accurate versus false memories.