Working Memory Model

The working memory model, including the different memory stores and the strengths and weaknesses of the model. 

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  • Created by: Ellie
  • Created on: 09-02-13 19:31
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  • The working memory model
    • Central executive
      • This is the key component of the model, it directs attention to particular tasks. Data arrives from the senses and is redirected to a slave system, the central executive has a limited capacity.
    • Phonological loop
      • This too has a limited capacity, it deals with the auditory information. Baddeley (1986) further divided this into the phonological store and articulary process
        • The phonological stores holds the words you hear, like an inner ear whereas the articulatory process is used for words that are heard or seen, they are silently repeated for maintenance rehearsal
    • Visuo-spatial sketchpad
      • The visuo-spatial sketchpad is used when you have a spatial task, like getting from point A to B. Visual and spatial information can temporarily be stored here.
    • Episodic buffer
      • This is the general store, added by Baddeley (2000). This stores information which relates to visual and acoustic information.
    • General information
      • Created by Baddeley and Hitch (1974)
      • It explains why we can do 2 different tasks at the same time, but not two similar tasks
    • Strengths
      • There is a lot of evidence for each component of the model
        • Baddeley et al found evidence for all 3 slave systems
        • Bunge et al found evidence for the central executive
      • Hitch and Baddeley (1976) gave participants 2 tasks involving either both slave systems or 1, quicker with the use of the same not both systems at the same time
      • Explains memory deficits of KF
      • There is explanatory power, for example the word length effect by Baddeley shows that people remember short words more than long words
    • Weaknesses
      • Central executive doesn't explain everything,
        • Central executive probably consists of several components
      • The problem with using brain damaged patients is that there is no before and after comparison


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