A comparison of the neuropsychological profiles of adult male sex offenders and non-offenders with a learning disability

The present study compared the neumpsychologlcal pmfiles of a group of adult male sex offenden with a laming disability (n-42) with a group of adult male non-offenders with a learning disability (n-42) using the Wechsler Adult Intelligence Scale - Revised (1986). The groups wen matched for full-scale IQ. Thc study found that the non-offender group had significantly higher Verbal 1Q scorn than the sex offender group. No significant differences wen found for Performance IQ. The non-ofinder group was also found to have significantly hlgher scores on the Vocabulary sub-test than the sex offender group and the sex offender group was found to have significantly higher scores on the ObJecr Assembly subtest than the non-ofinder group. Finally. the sex offender group was found to have a significantly lower Verbal IQ than Performance IQ. No significant Verbal-Performance discrepancy was found for the non-offender group. Possible implications of these findings are dlscussed.