The contribution of mere recognition to the P300 effect in a concealed information test

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Abstract

In two experiments, we investigated the role of mere recognition in a P300 based CIT. Mere recognition was isolated by having participants respond based on an irrelevant dimension of the stimuli. In Experiment 1 stimuli consisted of familiar and unfamiliar faces, with a dot placed on the left or the right cheeck. Participants responded according to dot location. In the second experiment, participants were presented with autobiographical information, alternated with irrelevant stimuli, while instructed to respond based on the case of the stimuli. Results showed that with both familiar faces, and autobiographical information, mere recognition was sufficient to elicit a P300.
Original languageEnglish
Pages (from-to)221-226
JournalApplied Psychophysiology and Biofeedback
Volume34
DOIs
Publication statusPublished - 1 Jan 2009

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