Lecture 14

Lecture 14 - Memory PSY 12000: Fall 2011 Purdue University...

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PSY 12000: Fall 2011 Purdue University Dr. Eric D. Wesselmann Memory 1 Overview Memory - capacity to preserve and recover information – Short Term Memory –Long ±Term ±Memory –Memory±Errors ±[A lzheimer's Disease] 2 Short-Term Memory • Temporarily store, think about, reason with information – 1 to 2 minutes on average • AKA “working memory” – serves as a mental workplace 3 Capacity of Short Term Memory • Memory Span – – Number of items recalled from shot-term memory in the exact order they were presented in on half of the tested trials
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Short-Term Forgetting • Rehearsal can prolong short-term memories indefinitely – Without rehearsal, info. typically disappears in seconds • If distracted, even easy info. is very difficult to recall • Long distractions make it more difficult to recall info. 5 Chunking • Arranging incoming information into meaningful patterns to help prevent forgetting – 7-654-9469-05 vs. – 765-494-6905 • *Expertise is a major advantage when chunking 6 Long-Term Memory • Used to maintain info. for extended periods of time – days, weeks, months, years, decades – Many psychologists believe capacity is unlimited
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Lecture 14 - Memory PSY 12000: Fall 2011 Purdue University...

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