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Facial processing has long been thought to be “invariant across all humans”. This paper from last year shows how Western Caucasian and East Asian differ significantly, whether looking at faces from their own or other cultural groups.
Blais et al. Culture Shapes How We Look at Faces. PLoS One, 2008; 3 (8): e3022 DOI: 10.1371/journal.pone.0003022.
