Abstract
Event related potentials (ERP's) constitute a large research field in psychiatry, based on neurophysiology. In this short review, we present the ERP's theorical framework, the different recording methods, and the signification of these ERP's; P50 with gating, P300, N400, P600 and contingent negative variation. We emphasize the ERP's chronometry, the reaction times, and late positive components. At last, we propose cognitive neurophysiological profile based on the variables obtained in the various ERP's.
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