Neuropsychological and intellectual differences between types of murderers: affective/impulsive versus predatory/instrumental (premeditated) homicide

The notion that affective/impulsive violence and predatory/instrumental violence constitute distinct behavioral phenotypes has been supported in the forensic literature. Prior research suggests that offenders committing affective/impulsive homicide exhibit differing patterns of anomalous regional br...

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1. VerfasserIn: Hanlon, Robert E. 1957- (VerfasserIn)
Beteiligte: Brook, Michael ; Stratton, John ; Jensen, Marie ; Rubin, Leah H.
Medienart: Elektronisch Aufsatz
Sprache:Englisch
Veröffentlicht: 2013
In: Criminal justice and behavior
Jahr: 2013, Band: 40, Heft: 8, Seiten: 933-948
Online-Zugang: Volltext (lizenzpflichtig)
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520 |a The notion that affective/impulsive violence and predatory/instrumental violence constitute distinct behavioral phenotypes has been supported in the forensic literature. Prior research suggests that offenders committing affective/impulsive homicide exhibit differing patterns of anomalous regional brain activation and decreased executive functions relative to predatory/instrumental homicide offenders. However, no prior research has examined the extent to which murderers who kill impulsively versus those who kill as the result of the execution of a premeditated strategic plan differ with regard to other neuropsychological functions and intelligence. Based on established criteria, we classified 77 murderers into affective/impulsive and predatory/instrumental groups, and compared their performance on standardized measures of intelligence and neuropsychological functioning. Results revealed significant differences between the affective/impulsive group (mean Full Scale IQ = 79) and the predatory/instrumental group (mean Full Scale IQ = 93) on indices of intelligence, memory, attention, and executive functioning. Most differences remained significant after controlling for relevant background factors. 
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700 1 |a Rubin, Leah H.  |e VerfasserIn  |4 aut 
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