lecture_11_June_9th

lecture_11_June_9th - General Overview Sensory memory Short...

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General Overview Sensory memory Short term / working memory Long term memory - reconstruction Memory for general knowledge
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Memory exercise Have you ever had a strong vivid memory? And later realized you were wrong Or that what you ‘remembered’ could not have possibly happened? If so, write it down
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False memories We are all aware of some of our own false or altered memories How to study this in the lab? Bartlett Naturalistic study of memory How do we remember pictures /stories? Documented the reconstructive character of memory
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The Reconstructive Nature of Memory Bartlett (1932) asked Ps tp read through the story, 'The War of the Ghosts‘ twice, then try to rewrite it, as accurately as possible Recalled occurred after different delays 15 minutes after study up to several years later To most readers, this North American folk tale is fairly bizarre in attempting to recall it, readers omit details, change things, and import new material But what is most interesting is that Bartlett's readers (typically unconsciously ) made the story more orderly and coherent within their own cultural framework His subjects were mostly well-educated English people at the time of the First World War, but subsequent experiments have shown similar tendencies amongst other groups
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The Reconstructive Nature of Memory Typical transformations of the story are the following: 'Something black came from his mouth' tended to become 'he frothed at the mouth', 'he vomited' or 'breath escaped from his mouth'. 'Hunting seals' tended to become 'fishing' 'Canoe' tended to become 'boat' and 'paddles' to become 'oars'. The wounded Indian tended to become the hero, whose wounds were sometimes even 'bathed' at the end. The reference by the Indian who stayed to the possibility of getting killed tended to be downplayed or dropped, whilst the reference to the probable anxiety of his relatives was usually given greater emphasis (the reference to having no arrows was often omitted). The role of 'the ghosts' (for some, they become a clan called the Ghosts; for others they were simply imagined by the Indian when wounded) Hard to interpret items were omitted , including: hiding behind the log the connection between the Indian's injury and the termination of the battle
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The Reconstructive Nature of Memory Bartlett (1932) Results Over time recall became more distorted to make story more rational and coherent Concluded memory retrieval is an active process
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Autobiographical Memory Memory for events from one’s life Marjorie Linton (1975, 1982) Recorded short descriptions of day’s events Included dates Different ratings of events (e.g., emotionality) Tested her memory at various intervals
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Autobiographical Memory Marjorie Linton (1975, 1982) Results: Memory was surprisingly accurate – memory was more durable than those of most laboratory
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This note was uploaded on 03/19/2010 for the course PSYCH 207 taught by Professor Lodson during the Spring '05 term at Waterloo.

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lecture_11_June_9th - General Overview Sensory memory Short...

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