Memory - Memory 47.101 General Psych Roadmap Memory...

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1 Memory 47.101 General Psych Roadmap ± Atkinson-Shiffrin Model ² Sensory, Short term, long term memory ± Levels of processing Model ± Retrieval ± Forgetting ± Memory as Reconstruction Memory ± Definition Æ Capacity to store and retrieve information ± 3 processes ² Encoding ± Consolidation – physiological change in brain to get info to storage ² Storage ² Retrieval Model of Memory ± Information processing approach ² Atkinson-Shiffrin Model ² 3 systems work together… External events Sensory Memory Short- term (working) memory Long term memory Attention to important or novel info Encoding Encoding Retrieval Sensory info Model of Memory ± Information processing ² Atkinson-Shiffrin Model ² 3 systems work together External events Sensory Memory Working/short- term memory Long term memory Attention to important or novel info Encoding Encoding Retrieval Sensory info
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2 Sensory memory ± Everything we sense is held in sensory memory ever so briefly ² Iconic Memory ± Vision (1/2 second) ² Echoic memory ± Sound (2-4 seconds) ± Easily displaced by new information ± How many can you remember? Write down your answer as fast as possible Example of Iconic Memory X D B F M P Z G L C N H X D B F M P Z G L C N H How many did you get??? ± High tone – top row ± Medium tone – middle row ± Low tone – bottom row ± Found could recall with ~100% letters in a particular row Sperling (1960)
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3 C F G H P Y R W O Q Y K Model of Memory ± Information processing ² Atkinson-Shriffin Model ² 3 systems work together External events Sensory Memory Working/short- term memory Long term memory Attention to important or novel info Encoding Encoding Retrieval Sensory info Short term (working) memory ± Very limited capacity ² Demo- How many dots? Number of people right… 0 5 10 15 20 25 30 35 40 45 1234567891 01 11 21 31 4 Correct Short term (working) memory ± Very limited capacity ² 7 + 2 ² Zip code ² Phone number ± Crisis when added area code to dialing! ± Short Duration. . ² 30 sec max, often less UNLESS you do something! ² And… often are distractions Æ take up new space and push old info out
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4 How to overcome limitations. . ± Rehearsal ± Chunking – Form of organization ² Group to make smaller 817 349 42 83 Stimulus 15 How to overcome limitations. . ± Rehearsal ± Chunking – Form of organization ² Group to make smaller 817 349 42 83 ² Create meaningful units ± Hierarchies LKCISNE KLCISNE NVESE YNA NI CSTTIH TNDO NICKLES SEVEN ANY IN STITCH DON’T NICKLES SEVEN ANY IN STITCH DON’T SAVES AGO A SCORE TIME AND NINE WOODEN FOUR YEARS DON’T TAKE ANY WOODEN NICKLES FOUR SCORE AND SEVEN YEARS AGO A STICH IN TIME SAVES NINE How to overcome limitations. .
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This note was uploaded on 10/16/2011 for the course PSYCHOLOGY 201 taught by Professor Staff during the Fall '10 term at University of Massachusetts Boston.

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Memory - Memory 47.101 General Psych Roadmap Memory...

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