Time Magazine In a study published in Biological Psychiatry, Martin Walter and his colleagues found that the hypothalamic regions of the brains of pedophiles, a region heavily involved in sexual identity and behavior, are not stimulated by erotic images of adults the way that nonpedophiliac brains are. Neurologically, pedophiles don’t identify adults as sexually attractive. Other brain-imaging works by James Cantor and colleagues published in the Journal of Psychiatric Research and Kolja Schiltz and colleagues writing in the Archives of General Psychiatry confirm that pedophiles have impairments to brain structures involved in sexual development. Put simply, the brains of pedophiles are different from those of other adults.
More research will continue to clarify the origins of a behavior that is extremely difficult for most of us to understand and is deeply repugnant. One common misconception is that victims of childhood sexual abuse are highly likely to later become abusers themselves. Most of the studies that supported this view were retrospective studies of offenders asking them whether they had been abused. The problem is that many perpetrators see claims of their own abuse as a potential mitigating factor that will lead to leniency. However, even such retrospective studies like one published in the British Journal of Psychiatry in 2001 find that the majority of abusers do not report having been abused themselves as children. And a longitudinal 2003 study, a better standard for assessing risk, made clear that the vast majority of sexual-abuse victims do not become abusers. Those few who did tended to experience other forms of neglect and violence within the family. The victim of sexual assault who is otherwise cared for by his or her family is highly unlikely to become a future predator. Like many abnormal behaviors, pedophilia likely stems from a biological predisposition combined with exposure to a harsh environment. Child abuse is horrific; but the fact that it doesn’t produce an endless chain of future abuse is something we can take small comfort in.