Activity is seen in the thalamus during hallucinations. Schizophrenia is associated with flu epidemics in a country. Sexual Disorders First we need to think of a continuum of acceptable sexual behavior across cultures. At one extreme, it is very repressive, such as the island of Iris Beag. In this culture, they can t deal with seeing nudity, even when they have sex they keep as many clothes on as possible.
Men find sex to be stressful and want to get it done with as soon as possible.
Sex is only for procreation. On the opposite end of the continuum would be a culture like that of Manga Island. The purpose of sex is not just for procreation, but for pleasure. Kids are trained at young ages about sex and how to satisfy the opposite sex. This occurs for girls too.