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Considered the most important part of the working memory model; it is responsible for;
Coordinates the actions of the other components
Setting task goals
Monitoring and correcting errors
Starting the rehearsal process
Switching attention between tasks
Inhibiting irrelevant information
Retrieving information from the long term memory
Switching retrieval plans
Co-ordinating the activity needed to carry out more than one processing task at a time
Holds verbal information in a speech based form and consists of two parts;
Phonological Store (The inner ear)- Uses a sound based code to store information, but
decays after two seconds if not rehearsed by the articulatory control system. It receives
information directly from the ears or LTM.
Articulatory Control System (The inner voice)- Rehearses information verbally and has a
capacity of two seconds where words can be rehearsed sub-vocally.
THE VISUOSPATIAL SKETCHPAD
Holds visual and spatial information; it manipulates this type of information from the
eyes or from the LTM.
THE EPISODIC BUFFER BADDELEY (2000)
Brings together all of the information from the two slave systems and the central
executive and works out the time and sequential order of events. This prepares
memories for storage in episodic LTM.