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Distinct neuronal patterns of positive and negative moral processing in psychopathy.


ABSTRACT: Psychopathy is a disorder characterized by severe and frequent moral violations in multiple domains of life. Numerous studies have shown psychopathy-related limbic brain abnormalities during moral processing; however, these studies only examined negatively valenced moral stimuli. Here, we aimed to replicate prior psychopathy research on negative moral judgments and to extend this work by examining psychopathy-related abnormalities in the processing of controversial moral stimuli and positive moral processing. Incarcerated adult males (N = 245) completed a functional magnetic resonance imaging protocol on a mobile imaging system stationed at the prison. Psychopathy was assessed using the Hare Psychopathy Checklist-Revised (PCL-R). Participants were then shown words describing three types of moral stimuli: wrong (e.g., stealing), not wrong (e.g., charity), and controversial (e.g., euthanasia). Participants rated each stimulus as either wrong or not wrong. PCL-R total scores were correlated with not wrong behavioral responses to wrong moral stimuli, and were inversely related to hemodynamic activity in the anterior cingulate cortex in the contrast of wrong > not wrong. In the controversial > noncontroversial comparison, psychopathy was inversely associated with activity in the temporal parietal junction and dorsolateral prefrontal cortex. These results indicate that psychopathy-related abnormalities are observed during the processing of complex, negative, and positive moral stimuli.

SUBMITTER: Fede SJ 

PROVIDER: S-EPMC6792390 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Distinct neuronal patterns of positive and negative moral processing in psychopathy.

Fede Samantha J SJ   Borg Jana Schaich JS   Nyalakanti Prashanth K PK   Harenski Carla L CL   Cope Lora M LM   Sinnott-Armstrong Walter W   Koenigs Mike M   Calhoun Vince D VD   Kiehl Kent A KA  

Cognitive, affective & behavioral neuroscience 20161201 6


Psychopathy is a disorder characterized by severe and frequent moral violations in multiple domains of life. Numerous studies have shown psychopathy-related limbic brain abnormalities during moral processing; however, these studies only examined negatively valenced moral stimuli. Here, we aimed to replicate prior psychopathy research on negative moral judgments and to extend this work by examining psychopathy-related abnormalities in the processing of controversial moral stimuli and positive mor  ...[more]

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