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The current research examined the influence of ingroup/outgroup categorization on brain event-related potentials measured during perceptual processing of own- and other-race faces. White participants performed a sequential matching task with upright and inverted faces belonging either to their own race (White) or to another race (Black) and affiliated with either their own university or another university by a preceding visual prime. Results demonstrated that the right-lateralized N170 component evoked by test faces was modulated by race and by social category: the N170 to own-race faces showed a larger inversion effect (i.e., latency delay for inverted faces) when the faces were categorized as other-university rather than own-university members; the N170 to other-race faces showed no modulation of its inversion effect by university affiliation. These results suggest that neural correlates of structural face encoding (as evidenced by the N170 inversion effects) can be modulated by both visual (racial) and nonvisual (social) ingroup/outgroup status.

Original publication




Journal article


Soc Neurosci

Publication Date





235 - 248


Continental Population Groups, Discrimination (Psychology), Electroencephalography, European Continental Ancestry Group, Evoked Potentials, Evoked Potentials, Visual, Face, Female, Group Processes, Humans, Judgment, Male, Pattern Recognition, Visual, Photic Stimulation, Prejudice, Reaction Time, Recognition (Psychology), Students, Universities, Young Adult