This course provides an introduction to the field of psychopharmacology, with special emphasis on the relationships between drugs and human behavior. Students will be introduced to specific neurotransmitter systems and the neurophysiology of specific drug use. Students will be able to appreciate more fully why people use both prescription and recreational drugs and the potential physiological and psychological consequences of such drug use, including addiction. Prerequisite: PSYC 239 or 243. With permission of the instructor, students with at least sophomore standing as a biology, chemistry, or biochemistry major may also enroll. Offered in alternate years. (One course.)