Lec13 - Psychology 1 Memory Prof. Stuart Anstis Poor memory...

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Psychology 1 Memory Prof. Stuart Anstis
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Poor memory vs. Incorrect memory
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Eye witness testimony: Loftus’s misinformation experiment
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Would you really want a ‘perfect’ memory that retained everything? Clutter?
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Immediate memory Short term memory Long term memory
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Short term memory Long term memory Immediate memory
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Immediate memory How many items? About 12 How long? Half a second
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Demonstration: Watch the screen and recall as many digits as you can.
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4 9 3 7 6 8 1 2 5 4 9 3
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You saw 12 digits: can recall 4 or 5. But did you forget some digits while you were reporting the others? Let’s try again. --> Just report the arrowed row! <-- READY?
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7 5 1 4 2 8 3 9 1 6 5 3
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Sperling 1961 Delay onset of arrows Performance falls off after half a second So: Immediate memory lasts half a second
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Short term memory How many items? 7 + 2 (digit span) How long? Some seconds…
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Short term memory Immediate memory Long term memory
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7 + 2 items A few seconds Short term memory Immediate memory Long term memory
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Demonstration of digit span I need a student volunteer
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This note was uploaded on 04/10/2010 for the course PSYC 1 taught by Professor Stuartantsis during the Spring '08 term at UCSD.

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Lec13 - Psychology 1 Memory Prof. Stuart Anstis Poor memory...

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