The Working Memory Model

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  • Proposed a multi-component model of memory consisting of: The central executive, phonological loop,visuo-spatial sketchpad, episodic buffer (2000).
    • Baddeley & Hitch (1974)
  • Working memory is used when performing cognitive functions.
    • WMM vs MSM
      • The WMM model attempts to rectify some of the criticisms of the MSM model by proposing a more dynamic view of STM.
      • The WMM sees the STM as working memory, a dynamic construct that allows for the manipulation of information within the STM store.
      • This is different from the proposal of Atkinson & Shiffrin that STM is a static structure that just temporarily stores information.
      • Information in LTM is accessed/transferred to WM to be combined with new information/ manipulated.
  • Controls attention and filters sensory information it receives to sub systems.
    • The central executive(He
      • An attentional system that processes all sensory information.
      • Little is known about the CE, the vagueness means it can be used to describe a variety of resul
      • Limited in capacity, works on one type of information at a time but switches information between different inputs
  • Deals with auditory information and the order of information.
    • The phonological loop
      • The primary acoustic store(inner ear)-stores words recently heard.
      • Baddeley (1986) divided the PL into two sub-systems.
      • The articulatory process(inner voice) -keeps information through sub-vocalized repetition of information and is linked to speech production.
  • It was added because it was suggested that the WMM needed a general store to operate correctly.
    • The episodic buffer
      • The EB explains how it's possible to temporarily store stuff from all syste
      • Information is integrated from the EB to other sub-systems.
      • The EB tries to correct problems caused by the limited capacity of the PL &VSS.
  • Temporarily stores visual & spatial information, helping people interact with their surroundings.
    • The visuo-spatial sketchpad
      • 'The inner eye' - handles non-phonological.
      • Information is coded and rehearsed through mental picture.
      • A passive store of form and colour.
      • Divided the VSS into two sub parts.The visual cache(colour)and inner scribe(spatial).
  • Logie (1995)


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