Evidence is steadily
accumulating to support a neurodevelopmental basis for pedophilia. This includes
increased incidence of non-right-handedness, which is a result primarily of
prenatal neural development and solidified very early in life. Minor physical
anomalies (MPAs; superficial deviations from typical morphological development,
such as un-detached earlobes) also develop only prenatally, suggesting them as
another potential marker of atypical physiological development during the
prenatal period among pedophiles.
This study administered the Waldrop Physical
Anomaly Scale to assess the prevalence of MPAs in a clinical sample of men
referred for assessment following a sexual assault, or another illegal or
clinically significant sexual behavior.
Significant associations emerged
between MPA indices and indicators of pedophilia, including penile responses to
depictions of children, number of child victims, and possession of child
pornography. Moreover, greater sexual attraction to children was associated
with an elevated craniofacial-to-peripheral anomalies ratio.
The overall sample
demonstrated a greater number of MPAs relative to prior samples of individuals
with schizophrenia as well as to healthy controls.
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By:
- 1Department of Psychology, University of Windsor, Windsor, ON, Canada.
- 2Sexual Behaviours Clinic, Centre for Addiction and Mental Health, 250 College St., Toronto, ON, M5T 1R8, Canada.
- 3Sexual Behaviours Clinic, Centre for Addiction and Mental Health, 250 College St., Toronto, ON, M5T 1R8, Canada. rlfazio@gmail.com.
- 4School of Behavioural, Cognitive, and Social Sciences, University of New England, Armidale, NSW, Australia.
- 5Department of Psychiatry, University of Toronto, Toronto, ON, Canada.
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