Working memory model


The working memory model -


(Baddeley and Hitch), Central executive, Phonological loop, Visuo-spatial sketchpad and Episodic buffer was added afterwards.


Episodic Buffer: Baddeley added this in 2000 as he thought the model needed a general store, its an extra storage system which has a limited capacity, it integrates info from all other pathways (including LTM).

Central Executive: this is a key component to this model, its function is to direct attention to particular tasks, info comes from LTM or sensory store, it has a very limited capacity and cannot attend too many things at once.

Phonological loop: also has a limited capacity, deals with auditory info…


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