General processes mediating sensation and perception. Topics include neural principles of sensory pathways, the measurement of perception and the role of sensory processes in behaviour. Three lectures; one term Prerequisite(s): PSYCH 1X03 (or 1AA3), 1XX3 (or 1A03) with a grade of at least C+ in each, and one of BIOLOGY 1A03, 1M03, 1P03 (or 1K03) or Grade 12 Biology U, and registration in the B.A. Psychology program, or a program in the Faculty of Science; or ISCI 1A24; or registration in Arts & Science, the B.H.Sc. (Honours), the Honours Cognitive Science of Language or the Honours Music (Music Cognition) program Antirequisite(s): PNB 2XA3