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Fan effects in event-based prospective memory.

Gabriel I Cook1, Richard L Marsh, Jason L Hicks

  • 1Claremont McKenna College, CA, USA.

Memory (Hove, England)
|August 30, 2006
PubMed
Summary
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Prospective memory is impaired by a larger associative fan, meaning more associations with a cue reduce detection. The number, not strength, of associations impacts prospective memory performance.

Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Prospective memory is crucial for daily functioning.
  • Event-based prospective memory involves remembering to perform an action when a specific cue is encountered.
  • The associative fan effect, a phenomenon in memory, may influence prospective memory performance.

Purpose of the Study:

  • To investigate the impact of the associative fan of cues on event-based prospective memory.
  • To determine if the number or strength of associations affects prospective memory cue detection.

Main Methods:

  • Three experiments were conducted.
  • Participants engaged in paired associate learning to establish associative fans for cues.
  • A lexical decision task embedded with these cues was used to measure cue detection.

Related Experiment Videos

Main Results:

  • A larger associative fan significantly decreased event-based cue detection in Experiments 1 and 2.
  • Experiment 3 confirmed that the number of associations, not their absolute strength, affects performance.
  • No consistent evidence supported a discrepancy plus search model of prospective memory.

Conclusions:

  • The associative fan effect negatively impacts event-based prospective memory.
  • The quantity of associations, rather than their strength, is the critical factor in prospective memory cue detection.
  • Further research is needed to fully understand prospective memory mechanisms.