The working memory model

  • AO1:
  • Theory: Baddeley and Hitch - Working Memory Model:
  • The working memory model (WMM) is an explanation if how STM is organised and how it functions. For example, WMM is concerned with the part of the mind that is active when working on a maths problem or playing chess, or comprehending language, etc. 
  • Central executive - The CE allocates slave systems. Essentially it is an additional process which monitors the incoming data and allocates slave ssytems to tasks. It has a very limited storage capacity. 
  • Phonological loop - Consists of a phonological store. The PL deals with auditory information and preserves the order in which the information arrives. It is subdivided into the phonological store (stores words you hear), and the Articulatory process (allows maintenance rehearsal - repeating sounds to keep them in the WM while they are needed. 
  • Visuo-spatial sketchpad - This stores visual and spatial information when required (e.g. recalling how many windows you have in your house). Logie subdivided the VSS into the Visual cache (stores visual data) and the Inner scribe (recordds arrangement of objects in visual field). 
  • Episodic buffer - This was added later on, it is a temporary store for information. It integrates the visual, spatial and verbal information from other stores. Maintains sense of time-sequencing - recoring events


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