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The role of features and configural processing in face-race classification
1Department of Psychology, The Hebrew University of Jerusalem, Israel.
Vision Research
|October 20, 2011
Summary
The other-race classification advantage (ORCA) in face perception is influenced by perceptual factors, not social bias. Configural analysis of own-race faces contributes to this effect.
Area of Science:
- Cognitive Psychology
- Social Psychology
- Perception
Background:
- The other-race classification advantage (ORCA) describes the phenomenon where individuals are better at classifying faces of their own race than those of other races.
- Previous research has attributed ORCA to social factors, such as reduced contact with other races.
Purpose of the Study:
- To investigate the role of perceptual factors in ORCA, independent of social bias.
- To determine if face configuration and parts processing influence the other-race effect.
Main Methods:
- Chinese and Israeli participants classified own-race and other-race faces and face parts (eyes).
- Face stimuli included normally configured and distorted inner-face components.
- Reaction times and accuracy were measured for all conditions.
Main Results:
- Accurate racial distinctions were possible with isolated eyes, but full faces were faster to categorize.
- The ORCA was observed for both full faces and isolated face parts.
- The ORCA was amplified by distorted facial configurations, affecting own-race face categorization more than other-race faces.
Conclusions:
- Perceptual factors, specifically configural processing, can account for ORCA independently of social bias.
- Own-race faces may undergo default configural analysis, contributing to the other-race classification advantage.
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