Psychopathia Sexualis: A Medico-forensic Study, Twelfth Edition deals with the psychology of deviant sexual behavior. The book discusses the psychology and the physiology of sexual life including anthropological conditions such as Gynecomasty. The author describes general pathology including anesthesia sexualis (absence of sexual feeling), hyperesthesia (abnormally increased sexual desire), paraesthesia (perversion), masochism, sadism, fetishism, and antipathic sexuality. The author also examin ...