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Title: Neuroaffective processing in psychopaths and non-psychopaths
Keywords: Neuroaffective processing, psychopaths, Event-related potentials
Issue Date: 8-Apr-2004
Source: MISIR CAROLYN (2004-04-08). Neuroaffective processing in psychopaths and non-psychopaths. ScholarBank@NUS Repository.
Abstract: Previous research focused on an affective deficiency as the core deficit in psychopathy. The current studies utilize event-related potentials (ERPs) to elucidate the differences in affective processing between psychopaths and non-psychopaths. In this paradigm, participants were required to discriminate between living and non-living pictures without being made aware of their affective content. The paradigm was a modified three-stimulus oddball task comprising three types of picture slides; neutral valence/living, affective valence/living and neutral valence/non-living. The first study was conducted on an undergraduate sample to validate ERPs components that index mismatch processing and to tease apart discernible ERP components of cognitive and affective mismatch processing. The second study aimed to distinguish between affective and cognitive processing in an incarcerated sample of psychopaths and non-psychopaths. The presence of psychopathy was identified through the use of the Psychopathy Checklist-Screening Version. The results provide electrophysiological support for a global affective processing dysfunction in psychopaths.
Appears in Collections:Master's Theses (Open)

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