08_Learning_Memory2_memory_Presentation

08_Learning_Memory2_memory_Presentation - INTRODUCTION TO...

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Click to edit Master subtitle style Introduction to cognitive science Psych 102/COGST 101/LING 170/PHIL 191/ COMS 101
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Memory What is memory? The traditional view: The modal model of memory Long Term Memory
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What is memory?
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What is memory? What do we do with the stuff we’ve learned? How do we store it for longer lengths of time? How do we access it once it’s stored?
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What is memory? Memory is traditionally viewed as a series of separate systems l Sensory memory (milliseconds) l Working memory (seconds) l Associative memory (“permanent”) Classroom Memory (up to 15 weeks)
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The traditional view: The modal model of memory Overview Sensory Memory Working Memory Associative Memory Evidence for the distinctions A brief discussion of working memory
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Overview The modal model of memory
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Sensory Memory The memory for a recent perceptual stimulus l Iconic memory l Echoic memory
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Sensory Memory l See a brief visual display of letters l Report as many as possible oncce the display disappears
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Sensory Memory +
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Sensory Memory A G W Q F K D J E
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Sensory Memory
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Sensory Memory A G W Q F K D J E
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Sensory Memory +
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Sensory Memory S X G W R C H N L
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Sensory Memory
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Sensory Memory S X G W R C H N L
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Sensory Memory +
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Sensory Memory S X G W R C H N L
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Sensory Memory
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Sensory Memory S X G W R C H N L
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Sensory Memory We cannot report all 9 letters l Be we can report any set of three letters For a brief time we must have access to all 9 letters l But that time is shorter than the time it takes to respond
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Sensory Memory The lifespan of visual sensory memory is linked the the “refresh” rate of the rods an cones in the retina l Akin to the afterimage on a CRT (not LCD) computer screen after you turn it off
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Sensory Memory Auditory partial report D J E A G W Q F K BEEP A G W
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Sensory Memory The lifespan of auditory sensory memory on the order of a couple seconds, not milliseconds l Why longer? l Auditory information is arrayed in time, it is necessary to be able to link a sound at time t to a sound at time t+1 in order to Track voices Follow a sound Determine direction of travel of a sound etc
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Overview Memory is traditionally viewed as a series of separate systems l Sensory memory (milliseconds) l Working memory (seconds)
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Working Memory Short-term memory l Integrate new information with old information l Manipulate new information l Temporarily store information for use l Relatively rapid access to contents l But limited in size Like the RAM in a computer Like a “mental desktop”
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Overview Memory is traditionally viewed as a series of separate systems l Sensory memory (milliseconds) l Working memory (seconds) l Associative memory (“permanent”)
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Associative Memory Long-term memory l Permanent storage of all information l Relatively slow access to contents l (Nearly?) unlimited in size Like the Hard drive in a computer Like a “mental filing cabinet”
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This note was uploaded on 02/20/2009 for the course COGST 101 taught by Professor Bienvenue,b during the Spring '08 term at Cornell.

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08_Learning_Memory2_memory_Presentation - INTRODUCTION TO...

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