– changes sensory input into a form or code to be processed by the memory system
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Capacity
– the amount of information that can be stored in memory at any given time
2 of 8
Duration
the length of time that information can be kept in memory
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Sensory Memory
– holds information in an unprocessed form for fractions of a second after the physical stimulus is no longer present. Information is encoded visually, echoically (sounds) and haptic (touch). Up to 9 items. Lasts about 1-2 seconds
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Short Term Memory
– a limited capacity system for storing information for short periods. Acoustically encoded (Baddeley). 5 to 9 items (Jacobs). 18-30 seconds.
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Long Term Memory
an unlimited system for storing information for long periods of time. Semantically encoded (Baddeley). Unlimited capacity. Unlimited (Bahrick et al)
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Jacobs
Participants read lists of words they had to recall immediately after. Length of list was gradually increased by one digit at a time, until participant could no longer recall. participants could remember 9 numbers or 7 letters.= STM is 5-9 items
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Baddely
four sets of words to recall in order. STM task = immediate recall LTM=time interval. STM participants made more mistakes on words that sounded alike, STM is encoded acoustically, LTM confused similar meaning so encoded semantically.
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Other cards in this set
Card 2
Front
– the amount of information that can be stored in memory at any given time
Back
Capacity
Card 3
Front
the length of time that information can be kept in memory
Back
Card 4
Front
– holds information in an unprocessed form for fractions of a second after the physical stimulus is no longer present. Information is encoded visually, echoically (sounds) and haptic (touch). Up to 9 items. Lasts about 1-2 seconds
Back
Card 5
Front
– a limited capacity system for storing information for short periods. Acoustically encoded (Baddeley). 5 to 9 items (Jacobs). 18-30 seconds.
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