Session 18_Intro_ Concepts_ Knowledge_handout

Session 18_Intro_ Concepts_ Knowledge_handout - The Network...

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1 Introduction to Concepts and Dr. Kim Vu PSY 332: Cognition 1 General Knowledge Session 18 Knowledge Representation ± Generic knowledge: Knowledge of a general sort, as opposed to knowledge about specific events PSY 332: Cognition 2 Dr. Kim Vu ² Chapter 3: PDP model ² Chapter 7: Schema ² Chapter 9: General Knowledge and concepts How is Knowledge Represented? ± Formal network models ² Symbolic ² Connectionist PSY 332: Cognition 3 Dr. Kim Vu ± Clustering model ± Set-theoretical model ± Semantic features model The Network Models ± Symbolic ² Information is represented _____________ ± Connectionis PSY 332: Cognition 4 Dr. Kim Vu Connectionist ² Information is represented __________________________________ Clustering Model ± Concepts tend to be organized into clusters ² PSY 332: Cognition 5 Dr. Kim Vu ² Free recall ² MINERALS Metal Stones R C Pi C PSY 332: Cognition 6 Dr. Kim Vu Rare Common Gold Silver Aluminum Copper Precious Common Diamond Ruby Granite Marble
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2 Set-Theoretical Model ± Concepts are represented in memory as sets or collections of information ² ± eg B ird PSY 332: Cognition 7 Dr. Kim Vu e.g., Bird ² ± e.g., Robin ² ± e.g., Wings, Features, Beak, etc. ± In contrast to the clustering model ² Set-Theoretical Model Birds Attributes PSY 332: Cognition 8 Dr. Kim Vu Hawk Robin Sing Fly Attributes of two sets ± Bird ² Living ² Animal ² Feathers ± Robin ² Living ² Animal ² Feathers PSY 332: Cognition 9 Dr. Kim Vu ² Beak ² Flies ² Beak ² Flies Semantic Feature Comparison ± Concepts are represented in memory as a set of semantic features ² Meaning PSY 332: Cognition 10 Dr. Kim Vu ± ± ² Members of the same category will overlap on ________________________ and can vary on some of the _______________________ Is a robin a bird? Is a poodle a bird? ± Bird ² Defining Features ± Wings ± Feathers ± Robin ² Defining Features ± ± ± ± ² Characteristics ± ± PSY 332: Cognition 11 Dr. Kim Vu ± Animal ± Chirp ² Characteristics ± Fast ± Fly ± Pretty ± ± Poodle ² Defining Features ± ± ± ± ² Characteristics ± ± ± Definition for a Concept or Category ±
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This note was uploaded on 02/05/2011 for the course PSY 332 taught by Professor Kuv8,maxfield during the Fall '09 term at CSU Long Beach.

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Session 18_Intro_ Concepts_ Knowledge_handout - The Network...

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