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study.q's.ch05-07 - File = E\p355\final.study.q's.ch05-07 1...

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File = E:\p355\final.study.q's.ch05-07.doc 1 John Miyamoto Email: [email protected] http://faculty.washington.edu/jmiyamot/p355/p355-set.htm Psych 355: Introduction to Cognitive Psychology Winter 2009 Study Questions for Chapters 5 (Short-Term & Working Memory), 6 (Long-Term Memory), & 7 (Everyday Memory & Memory Errors) Ch 5: Short-Term and Working Memory 1. What is the difference between sensory memory and short-term memory? Is it possible to manipulate information that is in sensory memory? E.g., if your sensory memory were filled with the image created by a flash in dark office room, could you manipulate the image while the information is in sensory memory , for example, to decide whether two pencils that are lying on top of the desk are the same length or not (as in a mental rotation experiment)? 2. Capacity limits * Approximately what is the limit in the amount of information that can be retained in short-term memory? How do we know that short-term memory has limited capacity? What does the magic number 5 plus or minus 2 refer to? * Approximately what is the limit on the duration for which information can be retained in short-term memory? How do we know that information in short-term memory lasts for only a limited duration? 3. What are recoding and chunking? When we manipulate information in short-term (working) memory, we make use of recoding and chunking to overcome STM capacity limits.
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