PSYB57H3 Chapter Notes - Chapter 1: Donald Broadbent, Information Theory, Cognitive Psychology
Document Summary
Increase array of imaging techniques that allows us to observe the brain in action. Cognitive psychology sees humans as active selectors of information from the environment. Bits (short fo(cid:396) (cid:862)(cid:271)i(cid:374)a(cid:396)y sig(cid:374)al(cid:863)): the (cid:373)ost (cid:271)asi(cid:272) u(cid:374)it of i(cid:374)fo(cid:396)(cid:373)atio(cid:374). E(cid:448)e(cid:396)y e(cid:448)e(cid:374)t that o(cid:272)(cid:272)u(cid:396)s i(cid:374) a situatio(cid:374) (cid:449)ith t(cid:449)o e(cid:395)ually likely out(cid:272)o(cid:373)es p(cid:396)o(cid:448)ides o(cid:374)e (cid:862)(cid:271)it(cid:863) of i(cid:374)fo(cid:396)(cid:373)atio(cid:374) The idea that information reduces uncertainty in the mind of the receiver. Informational theory: the theory that the information provided by an event is inversely related to the probability of its occurrence. B(cid:396)oad(cid:271)e(cid:374)t"s filte(cid:396) (cid:373)odel: filter model: a theory based on the idea that channel capacity restricts information processing, channel capacity: the maximum amount of information that can be transmitted by an information-processing device. Ecological approach: a form of psychological inquiry that reflects conditions in the real world. Affordances: the potential functions or uses of stimuli in the real world.
