Working memory model

• The working memory model, Baddeley & Hitch

  Central executive = allocates slave subsystems to tasks, very limited capacity

  Phonological loop = auditory information, phonological store and articulatory process, coding is acoustic, capacity is 2 seconds of speech

  Visuospatial sketchpad = visual information, visual cache and inner scribe, coding is visual, capacity is 3/4 objects

  Episodic buffer = integrates data from store systems and records the order of events, coding is flexible, capacity is 4 chunks
• WMM evaluation

  +clinical evidence, KF had poor auditory memory but good visual

  +difficult to do two visual tasks at the same time, but one visual an one verbal is okay

  -nature of the central executive is unclear, role is not specified