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Related Experiment Videos

Configural coding, expertise, and the right hemisphere advantage for face recognition

G Rhodes1

  • 1Department of Psychology, University of Canterbury, Christchurch, New Zealand.

Brain and Cognition
|May 1, 1993
PubMed
Summary

Expertise in face recognition involves configural coding, typically linked to the right hemisphere. This study found that ethnicity expertise and visual field advantages in face recognition are complexly related, suggesting different coding types may be involved.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Expertise in face recognition is linked to configural coding.
  • Configural coding is often associated with a right hemisphere advantage.
  • The left visual field (LVF) advantage for face recognition is expected to be influenced by expertise.

Purpose of the Study:

  • To investigate how expertise with face ethnicity affects the LVF advantage in face recognition.
  • To explore the relationship between configural coding, expertise, and hemispheric processing in face recognition.

Main Methods:

  • Two experiments were conducted to examine the effect of face ethnicity expertise on the LVF advantage.
  • Participants' configural coding and orientation-specific LVF advantage were assessed.

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  • Hemispheric arousal asymmetry was measured in Experiment 2.

    • Main Results:

    • Experiment 1 showed expertise-related configural coding but no LVF advantage.
    • Experiment 2 revealed an orientation-specific LVF advantage in high arousal asymmetry subjects, but not expertise-related configural coding.
    • Low arousal asymmetry subjects displayed the inverse pattern.

    Conclusions:

    • Different types of configural coding may underlie ethnicity-related expertise effects and laterality effects in face recognition.
    • The interplay between expertise, configural coding, and hemispheric processing is complex.