1-30-08 - 1/30/08 Multiple Levels of analysis for cognitive...

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1/30/08 Multiple Levels of analysis for cognitive processes {Marr)  Abstract Level  Algorithmic Level  Implementational Level ------------ The Cognitive Science Approach Mind is comprised of a set of abstract mental structures and representations which are manipulated by some set of  computations  goal of cognitive science:  to try to understand these mental structures Fundamental Questions: What are the mental structures underlying our cognitive capacities?  abstract - how do we represent the meaning of a sentence? What is it that allows someone to understand a language that I  don’t?  algorithmic How are these structures exploited? What processes act on them?  How are these structures and processes implemented in the brain?  Implementational How do we acquire such structures and processes? Or are they innate? - we just perceive distinctions between colors and shapes, not learned Constituent Fields - philosophy - linguistics - psychology - artificial intelligence - anthropology - neuroscience Case Study: Grammatical Categories  what are the mental structures underlying our knowledge of grammatical categories? - the way we know what part of speech something is is based on its meaning (noun: person place or thing)  grammatical categories are not (always) the same as semantic categories - grammatical categories are based off of semantic categories ex: nouns: “book” is a thing, but what about “election”? (noun or verb?) ex: verbs: “laugh” is happening, but what about “know”?  so what are grammatical categories?
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1-30-08 - 1/30/08 Multiple Levels of analysis for cognitive...

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