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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Beteiligte: | ; ; ; |
Medienart: | Elektronisch Aufsatz |
Sprache: | Englisch |
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2013
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In: |
Criminal justice and behavior
Jahr: 2013, Band: 40, Heft: 8, Seiten: 933-948 |
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Volltext (lizenzpflichtig) |
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245 | 1 | 0 | |a Neuropsychological and intellectual differences between types of murderers: affective/impulsive versus predatory/instrumental (premeditated) homicide |c Robert E. Hanlon, Michael Brook, John Stratton, Marie Jensen, and Leah H. Rubin |
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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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