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Inefficiency of post-error adjustment in impulsive violent offenders.
Neuroreport ; 25(13): 1024-9, 2014 Sep 10.
Artigo em Inglês | MEDLINE | ID: mdl-25026532
ABSTRACT
Criminal offenders who show repeated impulsive violent behavior are often described as having impairments in both inhibitory control and error processing. A sample of such offenders was compared with controls using event-related potentials recorded during the performance of a combined flanker and stop-signal task with the aim of investigating the underlying mechanisms that may contribute toward such violent behavior by indexing conflict monitoring, error detection, and post-error processing. The results obtained indicated lower amplitude of the stop-signal N2 component for successfully inhibited trials, reflecting different degrees of inhibition in impulsive violent offenders, as well as a reduced Pe component over the parietal area, an indication of reduced awareness of errors. This is consistent with the behavioral data indicating a lack of post-error slowing compared with the control group. This suggests that these offenders have problems with error awareness, subjective error assessment processes, and the adjustment of future behavior.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Desempenho Psicomotor / Violência / Encéfalo / Função Executiva / Criminosos / Comportamento Impulsivo Tipo de estudo: Ensaio clínico controlado Limite: Adulto / Humanos / Masculino Idioma: Inglês Revista: Neuroreport Assunto da revista: Neurologia Ano de publicação: 2014 Tipo de documento: Artigo País de afiliação: Reino Unido