It was created by Baddely and Hitch (1974) to expand on the complexity of STM which was reduced by the MSM
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What showed the STM was not a single store of memory?
People could not do two tasks both requiring one sense (e.g. acoustic) but could do two tasks requiring different senses (e.g. visual and acoustic)
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What three stores is the STM separated into?
Phonological loop
Visuo-spatial sketchpad
Episodic buffer
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Describe the phonological loop
Handles acoustic info
Split into the phonological stores and articulatory loop
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Describe the phonological store
Stores the words you hear
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Describe the articulatory loop
Repeats words you see or hear i.e. your inner voice
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Describe the visuo-spatial sketchpad
Used to plan spatial tasks (e.g. driving)
Split into the visual cache and the inner scribe
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Describe the visual cache
Stores information about visual items
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Describe the inner scribe
Stores the arrangement of objects in the visual field
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Describe the episodic buffer
Integrates info from the visuo-spatial sketchpad and phonological loop, compiling this into "episodes" allowing us to experience memories as a consistent series of events (like the episodes of a TV show)
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Describe the central executive
Directs attention and allocates the components of the STM to code it
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Illustrate the working memory model
Central executive
<- v ->
Phono loop Episodic buffer VSS
-> v <-
LTM
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What are the strengths and limitations of the WMM?
Strengths: Dual task processing is possible which shows there is more than one STM store
A patient (KF) suffered brain damage and struggled with verbal tasks but could still complete visual tasks
Weaknesses: There is no mention of more than one type of
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Other cards in this set
Card 2
Front
What showed the STM was not a single store of memory?
Back
People could not do two tasks both requiring one sense (e.g. acoustic) but could do two tasks requiring different senses (e.g. visual and acoustic)
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