Proceedings of a workshop organized by the Pharmacology Section, Psychopharmacology Research Branch, National Institute of Mental Health. Held at the University of California, Irvine, on January 25-26, 1969. "...the research presented deals with all levels of current from the electro-physiological effects on single nerve cells to effects on the biochemical and metabolic levels; from structure-activity relationships to subtle clinical personality distortions." —from the dust jacket