PSYC2071 Lecture 1: PSYC2071-notes-OFFICIAL
Document Summary
What is perception? (cid:858)apprehension of the world by means of our senses. It determines what we this is real, what (cid:449)e thi(cid:374)k e(cid:454)ists, a(cid:374)d (cid:449)hat (cid:449)e (cid:271)elie(cid:448)e is t(cid:396)ue(cid:863). (cid:862)the a(cid:272)t of gi(cid:448)i(cid:374)g (cid:373)ea(cid:374)i(cid:374)g to a dete(cid:272)ted se(cid:374)satio(cid:374)(cid:863) Retinal architecture: the retina is a 0. 4mm thick layered structure, (cid:1007) (cid:858)da(cid:396)k(cid:859) la(cid:455)e(cid:396)s of (cid:272)ell (cid:271)odies, (cid:1007) (cid:858)light(cid:859) la(cid:455)e(cid:396)s of a(cid:454)o(cid:374)s a(cid:374)d s(cid:455)(cid:374)apses. Divergence reduces disparity of that feature to zero (or nearly zero) Output processing layer: retinal ganglion cells: two neuroanatomical-ly different types, midget cell form parvo (parvus, small) ganglion cell pathway, small cell bodies, dense and short dendritic branching, parasol form magno (magnus, big) gangion cell pathway. Edge enhancement: mach bands: seeing borders more sharply vs, we rely on edges for information about uniform regions in-between, we process surfaces by generalising the edge contrast to the non-edge region, filling- in based on edge information.
