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Related Experiment Videos

Hypermnesia using auditory input.

J Allen1

  • 1Department of Psychology, University of Mississippi, Oxford 38655.

The Journal of General Psychology
|July 1, 1992
PubMed
Summary

Hypermnesia, an improvement in recall, occurred with auditory input but only when participants were unaware of future memory tests. Being informed about the recall test prevented this memory enhancement.

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Area of Science:

  • Cognitive Psychology
  • Human Memory Studies

Background:

  • Hypermnesia is a phenomenon where recall memory improves over successive tests.
  • Previous research on hypermnesia has primarily used visual stimuli.

Purpose of the Study:

  • To investigate hypermnesia with auditory stimuli.
  • To examine how awareness of a future recall test affects hypermnesia.

Main Methods:

  • Two groups of 26 subjects listened to an audiotape of 59 high-imagery nouns.
  • Subjects underwent three successive recall trials.
  • One group was informed about the upcoming recall test; the other was not.

Main Results:

  • Hypermnesia was observed in the study.
  • The memory improvement was significant only in the uninformed group.
  • Awareness of the recall test appeared to inhibit hypermnesia.

Conclusions:

  • Hypermnesia can occur with auditory stimuli.
  • Knowledge of an impending memory test may suppress the hypermnestic effect.
  • Future memory expectations influence recall performance.

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