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Int J Offender Ther Comp Criminol. 2011 Feb;55(1):5-26. doi: 10.1177/0306624X09360968. Epub 2010 Feb 3.

Psychopathy, ADHD, and brain dysfunction as predictors of lifetime recidivism among sex offenders.

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University of Toronto, Ontario, Canada.


This study examines the best predictor of lifetime recidivism among Hare's psychopathy scores (PCL-R), attention deficit hyperactivity disorder (ADHD) diagnosis, and brain dysfunction measures in a sample of 1,695 adult male sexual, violent, and nonviolent offenders. Results indicated that most variables were associated with significantly more frequent recidivism. The best predictor of overall recidivism was the PCL-R, but more specifically, it was its items on criminal history that were associated with recidivism. Sexual offense recidivism was predicted by the presence of learning disorders; however, all measures were poor predictors. General recidivism was primarily associated with past criminal history and secondarily with learning disorders and ADHD. Results suggest that ADHD and brain dysfunction with criminal history measures are the best predictors for addressing the problem of criminal recidivism.

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[Indexed for MEDLINE]

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