Research methodologies employed in the study of the biological bases of behavior. Must have completed or be concurrently enrolled in PSYC 3322 or BIOL 3322. Offered as BIOL 3142 and PSYC 3142; credit will be granted only once. BIOL prerequisite: BIOL 1441 & BIOL 1442. PSYC 3142 prerequisite: PSYC 2442 or PSYC 2444.