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Related Experiment Videos

The impersistence of false memory persistence.

J M Lampinen1, R M Schwartz

  • 1Department of Psychology, 216 Memorial Hall, University of Arkansas, Fayetteville AR, 72701, USA. lampinen@comp.uark.edu

Memory (Hove, England)
|January 6, 2001
PubMed
Summary

False memories for related words persist over time, challenging fuzzy trace theory. This study found that both true and false recognition decreased similarly over 48 hours, impacting memory research.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Memory Research

Background:

  • Thematic word lists can induce false recognition of non-presented words.
  • Fuzzy trace theory predicts slower decay of false memories (gist) than true memories (verbatim).

Purpose of the Study:

  • To investigate the decay rates of true and false recognition over a 48-hour delay.
  • To test the predictions of fuzzy trace theory regarding memory decay.

Main Methods:

  • Two experiments were conducted using thematically related word lists.
  • Participants' recognition of targets (true) and critical lures (false) was assessed after a 48-hour delay.
  • Corrected and uncorrected recognition rates were analyzed.

Main Results:

  • Corrected recognition of targets and critical lures decreased at equivalent rates over 48 hours.
  • Uncorrected recognition results were mixed: one experiment showed faster decline for targets, the other showed equivalent decline for targets and lures.

Conclusions:

  • Findings challenge the strict prediction of fuzzy trace theory regarding differential decay rates.
  • Results have implications for understanding the mechanisms of false memories and source monitoring.

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