M20-21Memory

M20-21Memory - MODULES 20 & 21: MEMORY I. II. What is...

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I. What is memory—the persistence of learning over time through the storage and retrieval of information II. Three stages of memory a. Stage 1 - Sensory Memory is a brief representation of a stimulus while being processed in the sensory system b. Stage 2 - Short-Term Memory (STM) is working memory i.Limited capacity (7 items) ii.Duration is about 30 seconds—but some evidence it may be longer c. Stage 3 - Long-Term Memory (LTM) is large capacity and long duration III. Integrated model a. Concepts i.Encoding – process of translating info into neural codes (language) that will be retained in memory ii.Storage – the process of retaining neural coded info over time iii.Retrieval – the process of recovering info from memory storage b. Storage i.Sensory memory storage “feeds” short-term memory 1. Holds sensory information 2. Duration about ½ sec for visual, 2-4 sec for auditory 3. Large capacity ii.Short term memory “feeds” to and retrieves from long term
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M20-21Memory - MODULES 20 & 21: MEMORY I. II. What is...

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