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Chapter 5

Chapter 5 - Memory Structures - October 11 2013.doc

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University of Waterloo
Nathaniel Barr

October 10, 2013 Memory Structures Long Term Memory Long Term Memory The Serial Position Effect - (*REFER TO GRAPHS*)  Participants hear a list of words, interval between words slowly decreases Primacy: Better recall of beginning part of list, items benefit from rehearsal; items in long term memory Recency: Better recall of last few words, can still "hear" last few items on the list, items part of short term and sensory memory Properties of Long Term Memory Capacity  Large or even infinite - there is no concrete line as to the maximum capacity  Massive storage capacity for object details Coding  Semantic Coding Duration  Bahrick found notion of permastorage: large portion of originally acquired information remained accessible for over 50 years in spite of the fact that it was not used  Ex. Recall declined for first 3-6 years after forgetting Spanish, but not much forgetting for the next 3 decades, final decline after 30-35 years (primarily due to age, not forgetting) Forgetting  Most likely due to interference, similar to short term memory  More likely to forget similar items  Ex. You park your car in the same spot everyday for a month; if you begin to park elsewhere, you are more likely to forget where you parked Encoding  Maintenance Rehearsal - Superficial repetition of inf
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