Deficient fear conditioning and self-reported psychopathy: the role of fearless dominance
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Otros documentos de la autoría: Poy, Rosario; Molto, Javier; López Penadés, Raúl; Patrick, Christopher
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/8033
comunitat-uji-handle3:10234/8636
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Título
Deficient fear conditioning and self-reported psychopathy: the role of fearless dominanceFecha de publicación
2013Editor
WileyISSN
0048-5772Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8986.2012.01493.x/abstractPalabras clave / Materias
Resumen
The role of the two dimensions of psychopathy-dispositional fearlessness (theorized to reflect variations in reactivity of the brain's defensive system) and externalizing proneness (presumed to reflect variations in ... [+]
The role of the two dimensions of psychopathy-dispositional fearlessness (theorized to reflect variations in reactivity of the brain's defensive system) and externalizing proneness (presumed to reflect variations in function of anterior regulatory systems)-in fear learning was examined in a sample of undergraduates assessed using the Psychopathic Personality Inventory-Revised (PPI-R) who participated in a differential aversive conditioning task. Only scores on self-reported "fearless dominance," irrespective of scores on "impulsive antisociality," were related to diminished acquisition of physiological fear. Consistent with dual-process accounts of psychopathy proposing divergent etiological pathways for the interpersonal/affective and the social deviance features of the disorder, our results lend support to the existence of a deficit in reactivity of the brain's defensive system underlying the fearlessness dimension of psychopathy. [-]
Publicado en
Psychophysiology (2013), vol. 50, no. 2Derechos de acceso
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