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Size effects in visual recognition memory are determined by perceived size.

B Milliken1, P Jolicoeur

  • 1Department of Psychology, University of Waterloo, Ontario, Canada.

Memory & Cognition
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

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Memory for visual shapes depends on perceived size changes between learning and testing. This study found that perceived size, not retinal size, influences shape recognition memory.

Area of Science:

  • Cognitive Psychology
  • Visual Perception
  • Memory Studies

Background:

  • Recognition memory for shapes is influenced by size discrepancies between encoding and retrieval.
  • Previous research (Jolicoeur, 1987) established the size-congruency effect in shape memory.

Purpose of the Study:

  • To investigate the role of perceived versus retinal size in shape recognition memory.
  • To dissociate the contributions of perceived and retinal size in the size-congruency effect.

Main Methods:

  • Replication of the size-congruency effect using novel shapes.
  • Manipulation of viewing distance and shape size to dissociate perceived and retinal size.
  • Recognition memory tests with altered encoding and testing distances.

Related Experiment Videos

Main Results:

  • The size-congruency effect in visual shape memory was confirmed.
  • Changes in perceived size between encoding and testing significantly impacted memory performance.
  • Retinal size variations had minimal to no effect on shape recognition memory.

Conclusions:

  • The size-congruency effect in memory for visual shapes is primarily driven by alterations in perceived size.
  • Retinal size alone does not significantly contribute to this memory phenomenon.