Semantic Network Models

Semantic Network Models - Empirical Characteristics of...

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Semantic Network Models: PDP approach ACT*, ACT-R Characteristics: concepts represented as nodes in network nodes are linked together by pathways proposition = node 1 --- pathway --- node 2 spreading activation frequently used links have greater strengths intersection search priming   Prototype Approach: prototypes best represent categories prototypes need not really exist degrees of prototypicality (prototypical to nonprototypical) apple is a prototypical fruit tomato is a nonprototypical fruit
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Unformatted text preview: Empirical Characteristics of Prototypes: 1. Prototypes are often supplied as better examples of a category (Mervis, Catlin, & Rosch, 1976). 2. Prototypes serve as reference points (Rosch, 1975a) 3. Prototypes receive more priming from category names and are judged more quickly (Rosch, 1975b) 'fire engine red' vs. 'muddy red' 4. Prototypes can substitute for a category name in a sentence (Rosch, 1977) 5. Prototypes share common attributes in a family resemblance category (Rosch & Mervis, 1975)...
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This note was uploaded on 11/14/2011 for the course PSY PSY2012 taught by Professor Scheff during the Fall '09 term at Broward College.

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Semantic Network Models - Empirical Characteristics of...

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