Journal
JOURNAL OF ABNORMAL CHILD PSYCHOLOGY
Volume 29, Issue 6, Pages 499-511Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1023/A:1012277125119
Keywords
amygdala; orbitofrontal cortex; psychopathic tendencies; psychopathy
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This study investigated the performance of boys with psychopathic tendencies and comparison boys, aged 9 to 17 years, on two tasks believed to be sensitive to amygdala and orbitofrontal cortex functioning. Fifty-one boys were divided into two groups according to the Psychopathy Screening Device (PSD, P. J. Frick & R. D. Hare, in press) and presented with two tasks. The tasks were the gambling task (A. Bechara, A. R. Damasio. H. Damasio, & S. W. Anderson, 1994) and the Intradimensional/Extradimensional (ID/ED) shift task (R. Dias, T. W. Robbins, & A. C. Roberts, 1996). The boys with psychopathic tendencies showed impaired performance on the gambling task. However, there were no group differences on the ID/ED task either for response reversal or extradimensional set shifting. The implications of these results for models of psychopathy are discussed.
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