Memory - Chapter 8 Memory Three Stages of Memory Atkinson...

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Chapter 8 Memory Three Stages of Memory Sensory input = picture, image Models = visual representation of the theory Sensory Register We hold onto a bit of info temporarily Holds an exact image of each sensory experience until it can be fully processed Much raw sensory information enters the senory registers Info held for VERY short time (250 milisec.) transduction (create perception) Turning sensory input into something we can use as memory Sent to brain areas needed to process it May forget some things getting rid of crap Short-Term Memory/ Working Memory Why do we call it working memory? It implies you are actively working on some kind of problem Ex. reading internal dialogue Forgetting curve How long does it take you to forget working memories Pay attention attention is the key to recall Rehearsal if you stop trying to process it, then it goes away George Miller Chunking breaking a whole bunch of stuff into little parts; hold onto a lot more easily Capacity of STM/WM Limited capacity magic number 7 7 items (+/- 2) Limited duration generally not past 30 sec. Lasts for 20-30 seconds Long-term memory
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Relatively permanent memory store Storehouse for information that must be kept for long periods of time LTM are stored by what they are divided up in many ways LTM must be indexed according t the kind of info that is most easily stored Forgetting in STM/WM is different from forgetting in LTM Forgetting WM stop rehearsing it/stop attending to it Forgetting LTM some kind of interferance
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Memory - Chapter 8 Memory Three Stages of Memory Atkinson...

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