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Configural processing advantage for Mongoloid than Caucasian faces during the structure coding stage.

Yuying Tong1, Yunmiao Yu, Lu Chen

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Summary

This study investigated face perception and found that while inversion effects were similar across races, Chinese participants showed a stronger Thatcher effect for faces of Asian descent. This suggests an in-group advantage in processing configural face changes.

Keywords:
Configural processingN170faces' raceinversionthatcher

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Area of Science:

  • Cognitive Neuroscience
  • Social Psychology
  • Perception

Background:

  • Configural processing is key to face expertise, studied via inversion and Thatcher effects.
  • The N170 component reflects early face processing.
  • In-group/out-group biases can influence perception.

Purpose of the Study:

  • To investigate the face inversion effect and Thatcher effect on race perception.
  • To examine if N170 responses differ for in-group versus out-group faces.
  • To explore the role of configural processing in racial perception.

Main Methods:

  • A passive detection task using face stimuli.
  • Measurement of the N170 event-related potential (ERP).
  • Comparison of responses to upright, inverted, and Thatcherized faces across different racial groups.

Main Results:

  • The N170 inversion effect was consistent across face races.
  • Chinese participants exhibited a significantly larger N170 Thatcher effect for Mongoloid (Asian) faces compared to other races.
  • This indicates enhanced configural processing for in-group faces.

Conclusions:

  • Configural processing of faces shows an in-group advantage.
  • The Thatcher effect, a measure of configural processing, is modulated by racial in-group bias.
  • ERP measures like N170 can reveal subtle biases in face perception.