Lec. 2 (1-7-10) - Memory 1 Transience Absent mindedness...

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1 Memory-1 Psych 9B -- PSB 11B 1 Memory 1 Transience Absent mindedness
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2 Psych 9B -- PSB 11B 2 Memory-1 ± Both the Brown-Peterson and the Memory Span Zaps were due at the start of class to today. Which description best describes your situation? A. Completed them with no problem B. Had a problem but still completed them C. Got a Zap registration but could not complete the Zaps D. Tried but could not get a Zap registration E. Have not tried to do this exercise
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3 Psych 9B -- PSB 11B 3 Memory-1 ± Think back to 9/11/2001, when terrorists flew planes into the World Trade Center and the Pentagon. Can you remember where you were when you first heard the news? A. Yes, vividly B. Yes, vaguely C. No
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4 Psych 9B -- PSB 11B 4 Memory-1 ± Can you remember anything unrelated to the 9/11 tragedy that happened or that you did on that day? A. Yes, vividly B. Yes, vaguely C. No
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5 Psych 9B -- PSB 11B 5 Memory-1 Transience of Memory ± Transience = forgetting that occurs with the passage of time ± Scientific understanding of transience can be traced to a book by Hermann Ebbinghaus in 1885
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6 Psych 9B -- PSB 11B 6 Memory-1 After learning a list of 30 nonsense syllables you are tested after either 9 hours or 1 month. Do you think you would forget more of the list in the first 9 hours or during the interval between 9 hours and 1 month? A. More forgotten in 9 hours than between 9 hours and 1 month. B. About the same amount forgotten in 9 hours than between 9 hours and 1 month. C. Less forgotten in 9 hours than between 9 hours and 1 month.
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7 Psych 9B -- PSB 11B 7 Memory-1 Day Week Month 0 20 40 60 80 100 Retention Interval % Retention Ebbinghaus Forgetting Function 1 Month (21%) 9 Hours (36%) 64% = 100% - 36% 36% - 21% = 15%
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8 Psych 9B -- PSB 11B 8 Memory-1 Ebbinghaus’s Other Contributions ± Memorization time increases sharply with the number of syllables ± Distributing learning over time is more effective than learning in a single session ± A small amount of initial practice leads to savings for later learning ± Continuing to practice material after it is “learned” enhances retention ± Primacy and recency effects ± Meaningful versus nonsense material
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Psych 9B -- PSB 11B 9 Memory-1 For the last slide I used decisions you might make while studying to illustrate some of Ebbinghaus’s findings. Is that reasonable? How do we know that what he found generalizes to your study situation? After all he studied only himself over a century ago, using nonsense stimuli, in an artificial setting. Given what you know, would you consider altering your study habits based on Ebbinghaus’s results? A.
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This note was uploaded on 11/23/2010 for the course SOCIAL SCI 68100 taught by Professor Wright during the Winter '10 term at UC Irvine.

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Lec. 2 (1-7-10) - Memory 1 Transience Absent mindedness...

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