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Rissman_Psych120A_Fall2013_lec07 (final version) (2)

What is the capacity of stm george miller 1956 the

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Unformatted text preview: Atkinson & Shiffrin (1968) Long- term Mem. (LTM) Permanent memory store Sensory Registers q༇  InformaJon from the different sensory modaliJes is iniJally stored in separate sensory registers. q༇  Iconic memory is a visual sensory store q༇ Short duraJon (less than one second) q༇  Echoic memory is an auditory sensory store q༇ Longer duraJon (several seconds) The Modal Model of Memory ¨༊  Sensory memory trace: ¤༊  The inJal sensory trace contains more informaJon than we can ulJmately remember! ¤༊  Iconic memory traces decay by 300 to 500 msec ¤༊  Echoic memory traces might last ~2- 4 sec The Modal Model of Memory ¨༊  Short- term memory (STM): ¤༊  Longer lasJng than sensory stores (~18 sec without rehearsal) ¤༊  Available to ‘conscious access’ ¤༊  Processes to regulate flow of info to & from LTM What is the capacity of STM? 1 4 9 2 1 7 7 6 1 8 1 2 2 0 1 3 ? Okay, let’s try that again (hint: the numbers refer to 4 years)...
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