Cog Psych - memory systems and knowledge

Cog Psych - memory systems and knowledge - Cog Psych...

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Cog Psych - Chapter 6 Memory Systems and Knowledge Semantic Knowledge - Characteristics of semantic memory o Episodic memory – the memory for specific events or episodes in our life o Lexical decision task – seeing a letter string and classifying it as a word or nonword o Semantic memory – consists of our ability to store and retriece facts such as categories and types of events 3 imp. Characteristics organized by content (similar concepts are more likely to call each other to mind than are unrelated concepts o allows us to retrieve info from memory that is likely to be relevant to a current situation it permits us to make inferences about properties of concepts the info in it is not tied directly to info about the source of knowledge o general concepts - Hierarchical Model o Collins and Quillian o Assumes that a persons relatively permanent accumulation of knowledge about the meaning of words is organized in a hierarchical network of associations o Networks consists of nodes and links Nodes – correspond to concepts or ideas Often designated by a word, doent represent the word from
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