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Related Experiment Videos

Unconscious perception: the need for a paradigm shift.

Daniel Holender1, Katia Duscherer

  • 1Laboratoire de Psychologie Expérimentale, Université Libre de Bruxelles, 50 avenue F. D. Roosevelt, CP 191, B-1050 Brussels, Belgium. holender@ulb.ac.be

Perception & Psychophysics
|October 22, 2004
PubMed
Summary

This study challenges dual-process models of perception, arguing that unconscious perception is not reliably demonstrable. Evidence supports a single-process conscious perception model over theories involving both conscious and unconscious processing.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Philosophy of Mind

Background:

  • Dual-process models propose both conscious and unconscious perception.
  • Previous models by Snodgrass et al. (2004), Cheesman & Merikle (1984, 1986), and Greenwald et al. (1996) offer differing views on demonstrating unconscious perception.

Purpose of the Study:

  • To critically evaluate existing dual-process models of perception.
  • To propose and advocate for a single-process conscious perception model.

Main Methods:

  • Theoretical argumentation.
  • Metatheoretical analysis.
  • Empirical evidence review.

Main Results:

  • Existing dual-process models are deemed inconclusive or flawed.

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  • Unconscious perception is argued to be not convincingly demonstrable under current frameworks.

    • Conclusions:

    • All three reviewed dual-process models should be rejected.
    • A single-process conscious perception model offers a more parsimonious and empirically supported explanation.