Introduction to Cognitive Psychology - Department of Psychological ...
Introduction to Cognitive Psychology - Department of Psychological ...
Introduction to Cognitive Psychology - Department of Psychological ...
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Pr<strong>of</strong>essor Greg Francis 1/6/11Proposition!! When the next word is shown, its node has not beenprimed, so it responds more slowlyobjectpassportbandit s<strong>to</strong>le passportrelations<strong>to</strong>leagentbanditbandit faked signaturePurdue UniversitysignatureobjectsignaturefakedrelationProposition!! Test Phase : Priming Task!! compare RTs for second in a pair <strong>of</strong> words!! within a common proposition (bandit -- passport)!! between propositions (passport -- signature)!! not related in sentence (horizon -- signature)!! interested in RT <strong>to</strong> second word in each pair!! Ratcliff & McKoon (1978)!! results»! within same proposition words: 561 msec»! between proposition words: 581 msec»! unrelated: 671!! evidence <strong>of</strong> priming by propositional activation!! We think in propositions!Purdue UniversityConclusions!! Concepts!!definitions!!pro<strong>to</strong>types!!exemplars!! Propositions!!Evidence we think in terms <strong>of</strong> propositionsNext time!! Other types <strong>of</strong> knowledge!! Mental images!! mental rotation!! mental scaling!! limitations <strong>of</strong>!! CogLab on Mental rotation due!!! Is a picture in your head like a picture in the world?Purdue UniversityPurdue UniversityPSY 200: Intro. <strong>to</strong> <strong>Cognitive</strong> <strong>Psychology</strong> 8
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