The effects of hormones on behavior and the physiological mechanisms which mediate these effects. Principles of brain-hormone interaction, sexual and aggressive behavior, parental care, ingestion, activity, motivation, learning and memory, behavioral disorders, environmental, and experiential influences on hormone production. Also offered as BIOL 3329; credit will be granted for only one of these courses. Students seeking credit toward the science requirement must enroll in BIOL 3329. Prerequisite: PSYC 1315 or BIOL 4315.