Neuropsychological and Personality Characteristics of Predatory, Irritable, and Nonviolent Offenders

This article represents an initial attempt to adapt the three most relevant components of Moyer's animal aggression typology to humans. These include predatory (unemotional, goal-directed), irritable (anger-based), and defensive (fear-based) aggression. As different brain networks are likely in...

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Veröffentlicht in:Criminal justice and behavior 2010-06, Vol.37 (6), p.633-655
Hauptverfasser: Levi, Marc D, Nussbaum, David S, Rich, Jill B
Format: Artikel
Sprache:eng
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Zusammenfassung:This article represents an initial attempt to adapt the three most relevant components of Moyer's animal aggression typology to humans. These include predatory (unemotional, goal-directed), irritable (anger-based), and defensive (fear-based) aggression. As different brain networks are likely involved, the authors hypothesized that executive function and personality tests could differentiate violent from nonviolent criminals and discriminate the types originally classified on the basis of criminal history. Discriminant analyses correctly classified 80% of the violent and nonviolent groups and 74% of the predatory and irritable groups. Of theoretical salience, the predatory group resembled the unimpaired nonviolent group only on the cognitive Integrated Visual and Auditory Continuous Performance Test but was indistinguishable from the impaired irritable aggression group on the Iowa Gambling, suggesting inhibitory deficits primarily in the face of reward opportunity. Implications for the theory and application to risk assessment are discussed. [Reprinted by permission of Sage Publications Inc., copyright American Association for Correctional Psychology.]
ISSN:0093-8548
DOI:10.1177/0093854810362342