Working Memory Model (WMM)

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The Working Memory Model

Baddeley and Hitch (1974)

  • Explains why you can do two different tasks at the same time but not two similar tasks (evidence from Baddeley and Hitch)
  • Cental Executive - resource allocation, small capacity
  • Phonological loop - phonological store and articulary process, maintainence rehearsal
  • Visuo-spatial sketchpad - visual cache and inner scribe
  • Episodic buffer - general store and integrates information from other stores and also from LTM


  • fMRI shows central executive…


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