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Front Psychol. 2018 Jul 31;9:1317. doi: 10.3389/fpsyg.2018.01317. eCollection 2018.

No Differential Effects of Neural and Psychological Explanations of Psychopathy on Moral Behavior.

Frontiers in psychology

Robert Blakey, Adrian Dahl Askelund, Matilde Boccanera, Johanna Immonen, Nejc Plohl, Cassandra Popham, Clarissa Sorger, Julia Stuhlreyer

Affiliations

  1. Centre for Criminology, University of Oxford, Oxford, United Kingdom.
  2. Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom.
  3. Department of Psychology, King's College London, London, United Kingdom.
  4. Faculty of Medicine, Imperial College London, London, United Kingdom.
  5. Department of Psychology, University of Maribor, Maribor, Slovenia.
  6. Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom.
  7. Division of Psychology and Language Sciences, University College London, London, United Kingdom.
  8. Center for Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.

PMID: 30108538 PMCID: PMC6079205 DOI: 10.3389/fpsyg.2018.01317

Abstract

Research in neurocriminology has explored the link between neural functions and structures and the psychopathic disposition. This online experiment aimed to assess the effect of communicating the neuroscience of psychopathy on the degree to which lay people exhibited attitudes characteristic of psychopathy in particular in terms of moral behavior. If psychopathy is blamed on the brain, people may feel less morally responsible for their own psychopathic tendencies. In the study, participants read false feedback about their own psychopathic traits supposedly inferred from their Facebook likes, described either in neurobiological or cognitive terms. Participants were randomly allocated to read that they either had above-average or below-average psychopathic traits. We found no support for the hypothesis that the neuroscientific explanation of psychopathy influences moral behavior. This casts doubt on the fear that communicating the neuroscience of psychopathy will promote psychopathic attitudes.

Keywords: attitude change; belief in free will; neurocriminology; psychopathy; science communication

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