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23 Cards in this Set
- Front
- Back
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Working memory used to be call this
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Short term memory
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2 factors in Raven's Progressive Matrices
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Storage and Processing
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Raven's Progressive Matrices description
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presents a person with 9 slots for shapes and figures in matrix form that has 1 of the 9 slots missing. The person then has to choose the option that completes the matrix. To do this test, a person needs to figure out the pattern in the matrices, look for certain features while holding on to these features in storage, while processing what comes next.
REQUIRES working memory...storage and then processing |
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Mental arithmetic uses two things
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Both long term AND working memory
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Two processes of working memory
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executive processes and storage buffer
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Digit span
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highest number of digits subject can repeat back without error..indication of how much can hold onto in memory
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Reading span
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highest number of words subject can repeat back without effor
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Operation span
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Read simple math problems and words: (8/4) + 2 = 4? BIRD
After 2 to 6 pairs, subject must recall the final words in order..Span=number of items perfectly recalled in order |
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Tower of Hanoi and what is requires
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Requires W.M, problem solving, goal management...Raven's performance correlation with Tower of Hanoi: .77
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Correlations of WM and Raven's score
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1. Raven's scores worse for old people
2. Raven's better if WM is good 3. WM scores worse for older people Raven's gets worse because WM gets worse..for old and young people with the same WM score, Raven's score is the same..holding Raven's constant |
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WM and reading comprehension
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People with high working memory spans have better comprehension of text.."There is a sewer near our home who makes terrific suits."
Better able to hold on a bunch of info to comprehend |
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Interferences in reasoning
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Will do poorly at Syllogisms if also generating numbers (WM task)..WM task interferes with reasoning
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Sector of brain that deals with memory
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Hippocampus
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Why patient H.M. has anterograde amnesia
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Neurosurgeons wanted to try to relieve severe epilepsy by taking out portion of temporal lobe for seizures
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Patient H.M. and who are similar
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guy from Memento
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Patient H.M. with regard to Long term and working memory
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Impaired long term memory
Normal working memory |
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Patient K.F. with regard to LTM and WM
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Normal Long term memory
Impaired Working memory |
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Comparing patient H.M. and K.F. do what...
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double dissociation!
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Double dissociation formula
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Single dissociation 1 + Single Dissociation 2 = Double Dissociation
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Serial position curve
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Listen to 15 (or x) words
Write them down in any order |
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Results of serial position curve
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people tend to remember beginning at the end of the list
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If give delay on serial position curve before listing the words
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Recency effect goes down because it takes away from Working Memory
Counting backwards while hearing the words list also ruins the recency effect/Working memory |
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Serial position curve with slowing down rate of presenting words
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Recall performance for the first couple of names at the beginning of the list would improve with slowing down the rate of presentations of names. Slowing down the rate of presentation would give more time to encode the names into long term memory. However, this would not affect the names at the end of the list in the same way. Regardless of rate, Professor would remember the names at the end with working memory. The rate of presentation has no affect on working memory because Professor would still remember the last couple names at the end based on recency.
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