July27_09 - 07/27/09 Our ability to store, retain, retrieve...

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1 Psych 1 Principles of Psychology Dr. Emiliana Simon-Thomas 07/27/09 Memory: Our ability to store, retain, retrieve and relearn learned information. Ebbinghaus’s pioneering studies of memory Invented lists of nonsense syllables Measured his own ability to repeat the lists from memory with several experimental manipulations: – different list lengths: longer lists required more memorization time (repetition) for successful recall. – different time intervals between memorization and recall procedures: longer intervals resulted in less successful recall. Memory The forgetting curve from Ebbinghaus’s retention interval studies shows memory’s decline with the passage of time; 50% lost within 24 hours! Memory Did Ebbinghaus’s methods yield findings that led to overly conservative conclusions? Free recall might have been too strict of a measurement; often people remember information despite being unable to produce it on demand. Cued recall tests might have given Ebbinghaus data leading to a more generous characterization of memory capacity. Recognition tests might have given Ebbinghaus data to support an even more comprehensive characterization of memory capacity. Savings tests might have allowed Ebbinghaus to detect and describe very subtle aspects of memory. Write down the names of the 7 dwarfs from Snow White. Grouchy Gabby Fearful Sleepy Smiley Jumpy Hopeful Shy Droopy Dopey Sniffy Wishful Puffy Dumpy Sneezy Lazy Pop Grumpy Bashful Cheerful Teach Shorty Nifty Happy Wheezy Doc Stubby Memory Memory Did Ebbinghaus’s methods yield findings that led to overly conservative conclusions? Were some of his memory failures/limitations a consequence of interference ? Proactive interference : something that already know makes in harder for you to remember something you’ve just learned (BearFacts password, Psych Study password). Retroactive interference : something that you’ve just learned makes it harder for you to remember something that you’ve already known for a while. Testing Implicit Memory via Priming or measuring Procedural memory processes might have given Ebbinghaus a more comprehensive description of memory capacity.
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2 There are 3 fundamental processes… 1) Encoding – getting information in. 2)
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July27_09 - 07/27/09 Our ability to store, retain, retrieve...

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