PSYC 2700 Lecture Notes - Lecture 3: Information Theory, Master Sergeant, Behaviorism
16 May 2017
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Psyc 2700 information theory & cognitive psychology. *all content belongs to jordan richard schoenherr & where cited in lecture slides* Information theory = foundation of cognitive psychology: whether researchers explicitly aware of it or not, tenets of info theory permeate all of our research. Basic understanding of info theory, its utility, & its limitation = required: has parallels in cognitive neuroscience. Transmitter -> channel (w/ noise) -> receiver. Note behaviourist appearance: s-r relationship (s = transmitter"s msg, x; r = recipient"s msg, y; channel = black box) 1920s: telecommunication companies sought balance b/w rate of transmission & intelligibility: hartley (1928) defined amount of info contained within msg as, # of available symbols, e. g. , binary (1, 0) has 2 or alphabetic (a-z) has 26. In english, approximately 1,025,109. 8 words (as of jan. 2014: # of symbols in particular msg, e. g. , sentences can be short, or long depending on msg.
