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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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The effects of interference and retention delay on temporal generalization performance.

Anne-Claire Rattat1, Sylvie Droit-Volet

  • 1Toulouse University, Albi, France. anne-claire.rattat@univ-jfc.fr

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Forgetting the standard duration impacts temporal discrimination. An interference task during memory consolidation shortens perceived time, suggesting memory consolidation is affected by immediate post-encoding interference.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Memory Research

Background:

  • Temporal discrimination relies on accurate memory of standard durations.
  • Forgetting and memory consolidation processes can influence time perception.
  • Interference tasks are known to disrupt memory consolidation.

Purpose of the Study:

  • To investigate how forgetting a standard duration affects temporal discrimination.
  • To examine the role of retention delays and interference tasks in temporal generalization.
  • To understand the impact of post-encoding interference on memory consolidation for time.

Main Methods:

  • Participants completed temporal generalization tasks with varying retention delays (15 min, 24 h).
  • An interference task was introduced during the retention delay in a separate experiment.
  • Time judgments of comparison durations were analyzed in relation to the standard duration.

Main Results:

  • No significant effect of retention delays alone on time judgments was observed.
  • An interference task during a 15-min delay led to a subjective shortening effect.
  • This subjective shortening indicates the standard duration was perceived as shorter after interference.

Conclusions:

  • Immediate post-encoding interference impacts the consolidation of temporal information in reference memory.
  • Forgetting, particularly when influenced by interference, can alter temporal discrimination accuracy.
  • Memory consolidation is a vulnerable period susceptible to disruption by interfering tasks.