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Pre-experimental sleep effects on directed forgetting.

Victoria A J Kavanagh1, Kathleen L Hourihan1

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Consciousness and Cognition
|February 15, 2020
PubMed
Summary
This summary is machine-generated.

Directed forgetting (DF) performance was examined in individuals with varying sleep quality. Insomnia symptoms did not significantly impact directed forgetting benefits or costs, suggesting resilience in memory control.

Keywords:
Directed forgettingInsomniaSleep qualityWorking memory capacity

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Area of Science:

  • Cognitive Psychology
  • Sleep Science
  • Neuroscience

Background:

  • Directed forgetting (DF) paradigms assess memory control.
  • Sleep quality and insomnia symptoms are potential moderators of cognitive functions.
  • Working memory capacity (WMC) is linked to memory performance.

Purpose of the Study:

  • To investigate the impact of sleep quality and insomnia symptoms on directed forgetting (DF) performance.
  • To compute DF costs and benefits using a modified point system.
  • To explore relationships between memory, sleep quality, and WMC.

Main Methods:

  • Utilized a directed forgetting (DF) paradigm with a point system instead of traditional remember/forget cues.
  • Compared memory performance between participants with good sleep quality and those with poor sleep quality, including insomnia symptoms.
  • Assessed working memory capacity (WMC).

Main Results:

  • Directed forgetting (DF) benefits were evident in all participants.
  • Negative DF costs were observed in participants without insomnia symptoms.
  • Working memory capacity (WMC) correlated with memory for positive items but not overall sleep quality.

Conclusions:

  • Self-reported insomnia symptoms do not appear to impair directed forgetting (DF) task performance.
  • Sleep quality may not directly influence the ability to selectively forget or remember information.
  • Working memory capacity (WMC) shows a specific association with memory for positively-valenced items.