Emotional modulation of the pupil response in psychopathy.

ABSTRACT: Psychopathy is a form of personality disorder associated with a deficit in emotional processing. However, there is debate whether this deficit applies to all emotions or exists only for negative emotions. The pupil dilates rapidly in response to emotional stimuli, allowing a time-sensitive index of emotional processing. Across 3 experiments using (a) visual images of real-world scenes, (b) auditory sound clips, and (c) videos of dynamic facial expressions, we measured emotional modulation of the pupil response to both negative and positive stimuli. Participants were 82 male mentally disordered offenders. Psychopathy was measured using the Psychopathy Checklist-Revised to produce factor scores of interpersonal-affective traits (Factor 1) and lifestyle-antisocial traits (Factor 2). Participa

SUBMITTER: Burley DT 

PROVIDER: S-EPMC6602524 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature