12b-Memory-6 - Memory-Outline I. Information Processing...

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1 Memory part 2 Memory-Outline I. Information Processing Model of Memory II. Sensory Memory III. STM and Encoding into LTM IV. LTM--Representation and Organization A. Representing verbal Information B. Representing Visual-Spatial Information C. Concepts and the Organization of Knowledge V. LTM--Retrieval VI. Neuropsychology of Memory The Representation of Concepts and the Organization of Knowledge Concepts are mental representations of categories. Prototype theory of concepts: picture-like representation of a typical or average member of a category. Evidence: Rosch --Subjects rate certain members of categories as more typical than other members. E.g., robin and bluebird are typical birds; chicken and penguin are atypical birds. --Subjects more quickly and accurately recognize typical examples. Prototypes -- members of the bird category. A prototypical bird--the robin. An atypical bird--the ostrich. An exceedingly atypical bird--the penguin. Prototypes--an example Which chair is prototypical? W. W. Norton Long term storage occurs in networks in the brain
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2 Long term storage may also be hierarchical Hierarchical model of semantic (conceptual) memory -- hierarchically arranged categories (e.g., canary => bird => animal). --each category has properties . -- links between different categories and between categories and their properties. --is efficient => can make inferences Evidence for hierarchical organization: sentence verification (sentence is T or F?). Hierarchical model of semantic (conceptual) memory --One level (the middle level) in this hierarchy is basic --the level at which people best think about and categorize an object. Example: " apple " vs. "fruit" or "Golden Delicious“ Other examples: bird , fish , chair -- Form prototypes of basic-level categories . Use of Categories? Rapid organization, classification, and prediction of aspects of experience. Also, helps in reasoning and communicating about the world. Memory-Outline I. Information Processing Model of Memory II. Sensory Memory III. STM and Encoding into LTM IV. LTM--Representation and Organization V. LTM--Retrieval A. Forgetting B. Constructive Effects in Memory VI. Neuropsychology of Memory
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3 Forgetting Forgetting--over the short term Forgetting curves have similar shapes. E.g.,
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This note was uploaded on 04/27/2008 for the course PSYCH 201 taught by Professor Sereno during the Spring '07 term at University of Oregon.

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12b-Memory-6 - Memory-Outline I. Information Processing...

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