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Related Experiment Video

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Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization
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Prior conscious experience enhances conscious perception but does not affect response priming☆.

Dominique Lamy1, Tomer Carmel2, Ziv Peremen2

  • 1School of Psychological Sciences, Tel Aviv University, Israel; Sagol School of Neuroscience, Tel Aviv University, Israel.

Cognition
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Prior experience boosts conscious visual perception but not its indirect behavioral effects. This suggests conscious access and behavioral impact may be separable, challenging some models of vision.

Keywords:
Awareness primingConscious awarenessExpectationResponse primingUnconscious processing

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Vision Science

Background:

  • Prior experience and expectations significantly enhance visual stimulus access to conscious awareness.
  • The influence of advance knowledge on the indirect behavioral impact of visual stimuli remains poorly understood.
  • Understanding this link is crucial for testing models of conscious perception.

Purpose of the Study:

  • To investigate whether prior experience influencing conscious perception also affects a stimulus' indirect behavioral impact.
  • To differentiate between models of conscious perception based on the relationship between conscious access and behavioral influence.
  • To explore the dissociation between subjective awareness and objective behavioral priming.

Main Methods:

  • Five experiments were conducted using various manipulations of prior experience with visual stimuli.
  • Conscious perception was measured using both subjective reports and objective performance metrics.
  • Indirect behavioral impact was assessed via response priming (motor action).

Main Results:

  • Manipulations of prior experience enhanced conscious perception of similar stimuli.
  • Prior experience did not influence the indirect impact on motor action (response priming).
  • A significant "awareness priming" effect was observed: subjective clarity influenced conscious perception but not response priming.

Conclusions:

  • Factors enhancing conscious access do not necessarily strengthen a stimulus' representation for behavioral impact.
  • Conscious perception and its indirect behavioral effects appear dissociable.
  • Findings challenge models assuming a direct link between conscious access and behavioral influence, informing the study of unconscious processing.