the wmm

central executive, phonological loop, visuospatial sketchpad, episodic buffer

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  • Created by: Humanur
  • Created on: 05-06-21 19:42
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  • the working memory model
    • episodic buffer
      • Alkhalifa
        • patient: severe loss of ltm
      • a general store to hold and integrate information from the ce, pl, vss and ltm
    • central executive
      • "head of the model", controls atteniton
      • Desposito et al
        • used fMRI scans to show the functioniing of the brain in memory tasks
          • verbal and spatial tasks were performed at the same time the prefrontal orrtex was activated
            • but not when the tasks were performed seperately
      • recieves sense information and filters them before passing on to subsystems
      • limited in capacity (4 items)
      • only works at one information at a tiime but switches really fast between different inputs
    • visuo-spatial sketchpad
      • Baddeley
        • dual task to track  a moving point of light and to describe the angels on a letter f
          • others were asked to do a visual and verbal task together
            • the first group was confused and the task wasn't done very well while the ssecond group were able to do both tasks effectively
              • this suggests that there are seperate stores for both types of memory
      • processes visual and spatially coded information, "the inner eye"
      • visual cache: a passive store of form and colour
      • inner scribe: active store holding the relationships between objects in 3d space
    • phonological loop
      • processes audiotory coded information
      • Trojani et al
        • patient(cs)
          • cs had brain damage which affected the functioning of his plmbut his vss was left good working order
            • this suggests that there are different memory operate differently
      • primary acoustic: the inner ear, holding words recently heard
      • articularly process:the inner voice, holding information via sunvocal repetition
      • pl has a limited capacity of what can be said in 2 seconds (word length effect)

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