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Event-related potentials and time course of the ‘other-race’ face classi¢cation advantage

Other-race faces are less accurately recognized than same race faces but classi¢ed faster by race. Using event-related potentials (ERPs), we captured the brain temporal dynamics of face classi¢cation by race processing performed by 12 Caucasian participants. As expected, participants were faster to classify by race Asian than Caucasian faces. ERPs results identi¢ed the occurrence of the other-race face classi¢cation advantage at around 240ms, in a stage related to the processing of visual information at the semantic level. The elaboration of individual face structural representation, re£ected in the N170 face-sensitive component, was insu⁄cient to achieve this process. Altogether, these ¢ndings suggest that the lesser experience of other-race faces engender fewer semantic representations, which in turn accelerate their speed of processing. NeuroReport 15:905^910 c 2004 Lippincott Williams &Wilkins.