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Social contact and other-race face processing in the human brain
Pamela M Walker1, Laetitia Silvert, Miles Hewstone
1Department of Experimental Psychology, University of Oxford, South Parks Road, OX1 3UD UK. pamela.walker@jesus.oxon.org
Social Cognitive and Affective Neuroscience
|November 19, 2008
Summary
Social factors significantly influence how the brain processes faces of other races, impacting early perceptual stages. Increased social contact and individuating experiences may mediate these race-of-face effects.
Area of Science:
- Neuroscience
- Social Psychology
- Cognitive Science
Background:
- The perception of faces is a fundamental social cognitive process.
- Cross-race face perception is often less accurate than same-race face perception.
- The neural mechanisms underlying cross-race effects remain incompletely understood.
Purpose of the Study:
- To investigate the influence of social factors on the neural processing of other-race faces.
- To identify specific stages of face processing affected by race-of-face.
- To evaluate the role of social contact and individuating experience in modulating these effects.
Main Methods:
- Utilized event-related potentials (ERPs) to examine neural responses to faces.
- Employed a multi-tiered approach to analyze face-specific processing stages.
- Assessed the impact of social contact and individuating experience on race-of-face effects.
Main Results:
- Race-of-face significantly impacts neural face processing, beginning at early structural encoding stages.
- Early perceptual processing of other-race faces differs from same-race faces.
- Social factors, including contact and experience, appear to mediate race-of-face effects.
Conclusions:
- Neural processing of faces is influenced by the race of the face.
- Early perceptual stages are sensitive to race-of-face.
- Social factors play a crucial role in shaping cross-race face perception and its neural underpinnings.
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