The Development of Sexual Aggression through the Life Span

Howard E. Barbaree · Ray Blanchard · Calvin M. Langton

75 citations0/0 files storedAnnals of the New York Academy of Sciences

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Psychopathy, Forensic Psychiatry, Sexual Offending Crime Patterns and Interventions Sexuality, Behavior, and Technology

Abstract

Abstract: There is a strong belief in the field that sexual aggression persists unabated into old age. If libido is one of the important determinants of sexual aggression, as has been theorized, and if libido decreases with aging, then it follows that sexual aggression should show similar aging effects. The present study examines the effects of age on sexual arousal and sexual recidivism in sex offenders. In the first study, 1431 sex offenders' erectile responses were measured using volumetric phallometry during presentations of visual and auditory depictions of prepubescent, pubescent, and adult males and females. The maximum degree of arousal was plotted over the age of the offender at the time of the test. Age was a powerful determinant of sexual arousal and a line‐of‐best‐fit indicated that arousal decreased as a reciprocal of the age‐at‐test. In the second study, 468 sex offenders released into the community were followed for an average period of over five years. The effects of age‐at‐release were examined using Kaplan‐Meier survival curves plotted for subjects in different age‐at‐release cohorts. Results indicated that offenders released at an older age were less likely to recommit sexual offenses and that sexual recidivism decreased as a linear function of age‐at‐release. Age‐related decreases were confirmed while controlling for other risk factors using Cox regression analysis. The implications of reductions in sexual aggression with age are discussed in relation to our understanding of the etiology of sexual aggression and our use of actuarial risk assessments.

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References

1998Predicting relapse: A meta-analysis of sexual offender recidivism studies.2001Evaluating the Predictive Accuracy of Six Risk Assessment Instruments for Adult Sex Offenders 1999Psychopathy, Treatment Behavior, and Sex Offender Recidivism 2001Sensitivity and specificity of the phallometric test for pedophilia in nonadmitting sex offenders.1967Diagnosing homo- or heterosexuality and erotic age-preference by means of a psychophysiological test 2001Actuarial assessment of sex offender recidivism risk: A cross-validation of the RRASOR and the Static-99 in Sweden.

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2011Population heterogeneity, state dependence and sexual offender recidivism: The aging process and the lost predictive impact of prior criminal charges over time 2009Aging Versus Stable Enduring Traits as Explanatory Constructs in Sex Offender Recidivism 2007Effect of Age-at-Release on Long Term Sexual Re-offense Rates in Civilly Committed Sexual Offenders 2006The Factor Structure of Static Actuarial Items: Its Relation to Prediction 2012Using Logistic Regression Modeling to Predict Sexual Recidivism 2005The Strength of Sexual Arousal as a Function of the Age of the Sex Offender: Comparisons Among Pedophiles, Hebephiles, and Teleiophiles

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