Neurological Correlates - The Neuroscience of Dysfunctional Behavior

Manic Monday: Psychopaths good at picking victims, getting away with murder

November 2, 2009
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New journal volume on “Biosocial Criminality” and two reports selected: One, because psychopaths use murder more as an instrumentality than as an expression of emotion, they don’t tell anyone about their crimes, and, moreover, therefore, are brought up on lesser offenses and get out earlier (my interpretation). Two, psychopaths can see vulnerability in others by the way they walk.

Helinä Häkkänen-Nyholm and Robert D. Hare, “Psychopathy, Homicide and the Courts, “Criminal Justice and Behavior  36: 761-777 (2009) DOI: 10.1177/0093854809336946

This study investigated the effects of psychopath on homicidal post offense behavior, denying the charges at court, appealing the lower court conviction, and final sentencing. A sample of546 offenders prosecuted for a homicide and convicted in Finland during the 1995 – 2004 period was examined. Their post offense behavior, self-reported reasons for the killing, charges, sentences,and psychopathic traits, as measured by the Psychopathy were coded from official file information. Offenders with high  scores were more likely than others to leave the crime scene without informing anyone of the killing, to deny the charges,to be convicted for involuntary manslaughter rather than manslaughter or murder, and to receive permission from the Supreme Court to appeal their lower court sentence. Given the risk that psychopathic offenders pose for violent crime, the finding that they are able to manipulate the criminal justice system is cause for concern.

Wheeler, S.; Book, A., and K. Costello, “Psychopathic Traits and Perceptions of Victim Vulnerability,” Criminal Justice and Behavior 36 : 635-648 (2009)DOI: 10.1177/0093854809333958

This study examines whether psychopathic traits in a nonreferred (and presumably nonpsychopathic) sample could enhance the accuracy of perceptions of victim vulnerability. In a previous study,the interpersonal and affective component of psychopathy was associated with increased accuracy in assessing vulnerability in dyadic conversations, and Grayson and Stein (1981) established that vulnerability could be assessed by observing targets walking. The purpose of this study was to determine whether individuals scoring higher on psychopathic traits would be better able to judge vulnerability to victimization after viewing short clips of targets walking. Participants provided a vulnerability estimate for each target and completed the Self-Report Psychopathy Scale:Version III (SRP-III). Higher SRP-III scores were associated with greater accuracy in assessing targets’ vulnerability to victimization. Implications for the prevention of victimization are discussed.

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2 Responses to Manic Monday: Psychopaths good at picking victims, getting away with murder

  1. [...] réalisé une étude dont le but était de déterminer si les psychopathes ont plus de facilité à reconnaître la vulnérabilité d’une personne à travers sa démarche, explique Manic Monday. On a donc montré à des individus psychopathes des vidéos où l’on [...]

  2. [...] réalisé une étude dont le but était de déterminer si les psychopathes ont plus de facilité à reconnaître la vulnérabilité d’une personne à travers sa démarche, explique Manic Monday. On a donc montré à des individus psychopathes des vidéos où l’on [...]

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