The basic science of the diagnosis and treatment of schizophrenia is described from the point of view of this practitioner at the point of service with the client. I have been at the point of service since 1970 as a medical student, since 1972 as an intern, since 1973 as a licensed medical doctor, and since 1977 as a board-certified psychiatrist. The practice of psychiatry changes from place to place, and from time to time. Administrators and chain...