[Ethical aspects of medical thought on the madness in the enlightenment].

The seventeenth century is a period of transition from religious views that are not authentic but dogmatic about demonic influences to the application of scientific and methodological criteria in science. During Enlightenment there was an approach heavily influenced by ethical issues. In this context, there is a rational recognition of the value of man free from the teleological type references. Mental illnesses are treated using scientific criteria. During the seventeenth century clinical interest is also extended to psychosis and not only to neurosis. There are several significant changes in the care of psychiatric patient, and healthcare institutions are improved and increased. Many behaviors are inspired by the values of philanthropy.