Recognition of unfamiliar faces relies heavily on external features. However, most studies on own-race bias (ORB) have focused on the recognition of internal features, and relatively little is known about to what extent external features affect the ORB. Here, in a yes/no face recognition task, the ORB was pronounced across ethnic groups in a multi-ethnic Asian population (Malaysian-Malay, Malaysian-Chinese, Malaysian-Indian, and Caucasian) when faces were presented with only internal features (Experiment 1), but this effect disappeared when faces were presented with external features (Experiment 2). Further, the absence of external features was disruptive to recognition of other-race faces but not own-race faces. This suggests that different processing mechanisms may be involved for own- and other-race faces, with internal features of own-race faces being processed more efficiently while external features dominate representations of other-race faces.
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University of Reading Malaysia
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