Models of Memory 2

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Models of Memory 2

• How psychologists try and explain how memory is
  organised and works within the brain.

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Baddeley Hitch

• The working memory model

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Baddeley HitchThe working memory model

• This model involves the idea of a multi-store
  STM.
• Proposes a short-term or working memory which
  is used while working on things.

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Baddeley HitchThe working memory model
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Baddeley HitchThe working memory model

• This working memory consists of three components
• Central executive a modality-free component. It
  has a vary limited capacity and is like attention.

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Baddeley HitchThe working memory model

• Articulatory-phonological loop the loop is
  divided into a phonological store, which is
  directly concerned with speech perception, and an
  articulatory process, which is linked to speech
  production.

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Baddeley HitchThe working memory model

• Visuo-spatial sketch pad (sometimes called a
  scratch pad) this specialised for spatial and /
  or visual coding, a kind of writing pad for
  visual data

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Baddeley HitchThe working memory model

• Most is known about the articulatory loop. When
  asked to recall sets of 5 words in correct order
  were able to remember short words easier than
  long words participants were able to recall as
  many words as they could read out loud in 2
  seconds

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Baddeley HitchThe working memory model

• Capacity of articulatory loop is determined by
  how long it takes to perform something.

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Baddeley HitchThe working memory model

• What is the articulatory-phonological used for?
• Used in reading difficult material, making it
  easier for readers to retain information about
  the order of words in text.