A medical monograph surveys sexual disorders and their neurological relations, addressing predisposition, manifestations such as masturbation, onanism, sodomy, nymphomania, satyriasis, impotence, and spermatorrhea, and exploring spinal and cerebral involvement. It links peripheral genital sensitivity with central neural states, describes local structural and spermal changes, and considers moral and social aspects. The work presents diagnostic categories, discusses causes and symptoms including spinal congestion and anemia, and outlines hygienic and clinical treatments. Case illustrations demonstrate typical presentations, sequelae, and therapeutic responses, while commentary emphasizes observational evidence and urges professional attention to prevention and management.