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Related Experiment Videos

Repetition blindness for pseudoobject pictures

K M Arnell1, P Jolicoeur

  • 1Department of Psychology, University of Waterloo, Ontario, Canada. karen.arnell@mrc-apu.cam.ac.uk

Journal of Experimental Psychology. Human Perception and Performance
|August 1, 1997
PubMed
Summary

Repetition blindness (RB) occurs when repeated stimuli confuse mental representations. New research shows that even novel visual stimuli can cause RB, suggesting newly formed visual types are sufficient for this effect.

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Area of Science:

  • Cognitive psychology
  • Visual perception
  • Memory research

Background:

  • Repetition blindness (RB) is a phenomenon where repeated stimuli are not fully perceived.
  • The token individuation hypothesis suggests RB arises from confusion between stimulus instances (tokens) and mental representations (types).
  • Traditionally, type representations are considered pre-existing and interconnected.

Purpose of the Study:

  • To investigate the nature of type activations underlying repetition blindness.
  • To test the token individuation hypothesis with novel visual stimuli.
  • To determine if newly formed visual types are sufficient to cause RB.

Main Methods:

  • Development and application of a novel picture frequency task.
  • Utilizing unfamiliar non-object pictures to bypass prior semantic or phonological representations.

Related Experiment Videos

  • Examination of repetition performance in participants.

    • Main Results:

    • Repetition blindness was observed for unfamiliar non-object pictures.
    • The effect occurred even without prior phonological or semantic associations.
    • This indicates that new visual type reactivation can lead to RB.

    Conclusions:

    • The findings support the role of type activations in repetition blindness.
    • Reactivation of a newly formed visual type is sufficient to cause RB.
    • This challenges the notion that type representations must be pre-existing.