U of M PSY 1001 - Chapter 7 (3 pages)

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Chapter 7



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Chapter 7

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Pages:
3
School:
University of Minnesota- Twin Cities
Course:
Psy 1001 - Introduction to Psychology

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Chapter 7 Study Guide 1 A memory model broken into 3 stages sensory short term and long term memory Attention The process of focusing on something well enough to encode in short term memory Rehearsal Repeating information to extend the duration of retention in short term memory Encoding Process of getting information into our memory banks Retrieval reactivation or reconstruction of experiences from our memory stores Maintenance rehearsal involves repeating the stimuli in original form elaborative rehearsal links the memory to something meaningful making it easier to recall 2 Sensory memory is brief storage of perceptual information before it is passed to short term memory Its capacity is 4 5 items duration depends on the sense 1 sec for vision and the function is to maintain our perceptions in a buffer area before passing them to the next memory system Sperling He flashed 12 letters to people who remembered four or five Then he highlighted one row 4 letters and told them to remember that row Almost everyone remembered all 4 This shows we had all 12 in our memory but only enough time to process 4 before we lost our sensory memories 3 Echoic memory is memory from our ears and lasts five to ten seconds iconic is from our eyes and lasts for one second 4 Short term memory is the memory system that retains information for limited durations Its capacity is 5 9 units duration of 10 20 with 20 being the max the function is to hold memories in our head for a brief period of time enough to process what we are currently thinking about attending to or processing actively Chunking organizing information into meaningful groupings allowing us to extend the span of short term memory Magic Number The span of short term memory according to George Miller seven plus or minus 2 pieces of information Peterson Study They showed people a three letter list then made them count backwards to avoid mental repetition and wait a certain amount of time before attempting to repeat it Most people



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