Lecture20

Lecture20 - Lecture 20 Representation of verbal knowledge,...

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Lecture 20 – Representation of verbal knowledge, part 1 March 12, 2008
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Homework #4 –Due 3/17 that eyewitness testimony may be less than perfectly reliable. How should interrogation techniques be changed to minimize this
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The lost in the mall study Subjects were given 6 narratives (provided by family members) that described events that occurred in the subject’s childhood One of the narratives was false and told a story of the subject getting lost in a shopping mall before eventually being found by an elderly person Subjects read the narratives and were asked to recall any memories of the events 25% of subjects indicated that they remembered the ‘lost in the mall’ story, even provided additional details Conclusion: false memories are fairly easy to implant
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Chapter 9–Verbal representation of knowledge Much of the information stored in LTM is verbal 20,000 – 40,000 words and their meanings are stored in memory Studying how words are represented in LTM can tell us quite a bit about the underlying organization of memory Most models represent memory as a series of associations between concepts Being able to organize our knowledge allows us to better predict and interact with our environment
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Neuroscience support for semantic memory Visual and semantic coding of
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Lecture20 - Lecture 20 Representation of verbal knowledge,...

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