Ch7Cognitionnotes

Ch7Cognitionnotes - Fundamentals of Cognitive Psychology...

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Fundamentals of Cognitive Psychology Chapter 7 Semantic Memory
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Representing Concepts Concepts are general ideas that enable the categorization of unique stimuli as related to one another. Concepts are characterized by dimensions of variation among exemplars.
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Contrasting Types of Concepts Rule governed concepts specify the features and relations that define category membership on an all or none basis. Classical view holds assumes defining features are related by a conjunctive rule. Object concepts refer to natural kinds and artifacts that violate the classical view. Characteristic features are disjunctively related, creating a family resemblance structure and a fuzzy boundary.
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Prototype The best or most typical example of a category that serves in the mental representation of a concept. The range of feature variation on a stimulus dimension and feature frequency of occurrence define in part the gradient of category membership. The gradient creates typicality effects in categorization speed, acquisition order, and priming.
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Schema A schema is a
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Ch7Cognitionnotes - Fundamentals of Cognitive Psychology...

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