Prerequisite: BL105 or BL121, PY101. A study of the relationships between physiological processes and behavior. Areas covered include anatomy of the nervous system, neural conduction, synaptic transmission, development of the nervous system, and the biological components of emotion. Covers methodological issues as well as content. Fulfills Group III requirement. Closed to biology/psychology interdisciplinary majors who have taken BL403, BL405, or PY332.