PSYCH 1XX3 Lecture Notes - Lecture 6: Prosopagnosia, Visual Acuity, Temporal Lobe

• School: McMaster University
• Department: Psychology
• Course: PSYCH 1XX3
• Professor: Joe Kim

Document Summary

Introduction to form perception: distinguishing figure from background is a complex visual function, how are we able to perceive form so quickly and effortlessly, this is the problem of form perception. We tend to perceive an x as two continuous lines rather than two vs: ex. Ele(cid:373)e(cid:374)ts (cid:449)ithi(cid:374) a (cid:373)oth"s (cid:373)o(cid:448)e(cid:373)ent reveals it from the background: common fate explains why we can see camouflage animal once it moves, movement allows the contour to be perceived and pop out. Processes of object recognition: establishing figure from background is the first step to object recognition, once established, parts of figure identified and grouped together into single object. Bottom-up processing: object recognition is guided by the features that are present in the stimulus, e(cid:454). (cid:396)e(cid:272)og(cid:374)ize (cid:272)o(cid:449) as a (cid:272)o(cid:449) (cid:271)/(cid:272) has 4 legs, (cid:862)(cid:373)oo(cid:863)s, udde(cid:396), (cid:271)ig (cid:374)ose, 2 lo(cid:374)g ea(cid:396)s, 2 (cid:271)ig e(cid:455)es.