[Sex behavior in the elderly: gerontopsychiatric aspects].

The relationship of sexuality and mental illness is not through investigated. There are few experiences. Psychiatric publications are limited and describe the deviate sexuality of demented disorders, psychosis, and neurosis. In the place of foreground of psychiatric publications are the abnormal sexuality and its criminal procedure. The paper describes the most important articles in German and English. Some references to observations in out-patient and in-patient care are following.