Masturbation is Related to Psychopathology and Prostate Dysfunction: Comment on Quinsey (2012)
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In an interesting discussion about which criteria should guide the diagnoses of paraphilias, Quinsey (2012) observed that “in order for a condition to be considered a mental disorder, the condition must represent the failure of some mental mechanism to perform the function for which it was designed by natural selection and the condition must cause some deprivation of benefit (defined in terms of the society within which the affected individual lives)” (p. 218). Furthermore, it is noted that, from an evolutionary perspective, a deprivation of benefit should carry costs of reduced fitness (Quinsey, 2012).
Consequently, Quinsey concluded that most actual and proposed DSM paraphilias do not clearly meet these criteria, because it is not clear if they diminish reproductive fitness by reducing the likelihood of penile-vaginal intercourse (PVI) with fertile partners. In so doing, he offers the example of masturbation as being a healthy behavior that appears to have no such interference. He...