Neurology
Neurology (from Greek: νεῦρον (neûron), "string, nerve" and the suffix -logia, "study of") is a branch of medicine dealing with disorders of the nervous system. Neurology deals with the diagnosis and treatment of all categories of conditions and disease involving the central and peripheral nervous systems (and their subdivisions, the autonomic and somatic nervous systems), including their coverings, blood vessels, and all effector tissue, such as muscle. Neurological practice relies heavily on the field of neuroscience, which is the scientific study of the nervous system.
Psychiatry
Psychiatry is the medical specialty devoted to the diagnosis, prevention and treatment of mental disorders. These include various maladaptations related to mood, behaviour, cognition, and perceptions. See glossary of psychiatry.
Psychiatry
Not only psychiatry itself but also the values reflected in its statistical definition of “normalcy” serve to condition men to habitual, unthinking, conformist behavior.
Benjamin R. Barber, “Forced to be Free: An Illiberal Defense of Liberty,” Superman and Common Men (New York: 1971), pp. 68-69