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Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
08:31

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome

Published on: July 31, 2016

Specificity of face processing without awareness.

Guomei Zhou1, Lingxiao Zhang, Jinting Liu

  • 1Department of Psychology, Sun-Yat-Sen University, Guangzhou, China. zhougm@mail.sysu.edu.cn

Consciousness and Cognition
|February 2, 2010
PubMed
Summary
This summary is machine-generated.

Even when faces are invisible, the brain processes them specifically, unlike other objects. This suggests high-level face recognition occurs even without conscious awareness.

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Area of Science:

  • Cognitive Neuroscience
  • Visual Perception

Background:

  • The face inversion effect, where inverted faces are harder to recognize, is a key indicator of holistic face processing.
  • It remains unclear if this face-specific processing persists for stimuli not consciously perceived.

Purpose of the Study:

  • To investigate whether face-specific processing, indicated by the face inversion effect, occurs even when faces are invisible.
  • To determine if face processing without awareness is distinct from processing other object categories.

Main Methods:

  • Utilized binocular rivalry to render faces and houses either visible or invisible to participants.
  • Measured the face inversion effect by comparing the processing of upright versus inverted faces and houses under conditions of awareness and unawareness.

Main Results:

  • Invisible upright faces broke binocular suppression faster than invisible inverted faces, demonstrating a face inversion effect for unseen faces.
  • No significant difference was found in suppression breaking for invisible upright versus inverted houses, indicating category specificity.

Conclusions:

  • Face processing without awareness remains specific, suggesting that high-level brain areas can process face-specific information even when stimuli are not consciously perceived.
  • The face inversion effect serves as a marker for face-specific processing, extending to subliminal perception.