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Working Memory Model
Baddley and Hitch
More complex than the multi-store memory model
Working memory replaced short term memory
Not a unitary store
Different systems for different information
Explanation of how memory functions rather than the structure
Central executive, phonological loop, Visio-spatial sketchpad
Central executive: drives the whole system, allocates data to the slave systems. It also deals with
cognitive tasks such as mental arithmetic and problem solving
Phonological loop: is the inner voice. Temporary storage system with limited capacity; is
responsible for holding spoken and written material.
Phonological store (inner ear): holds information in speech based form for 1-2 seconds.
Articulatory control process (inner voice): linked to speech production, used to rehearse and
store verbal information from phonological store.
Visuo-Spatial Sketchpad: Stores and processes information in a visual or spatial form.
Episodic buffer: temporarily stores information and links it with LTM. Limited capacity.
Primary acoustic store: holds recently heard speech or sound
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Central executive Phonological Visuo-Spatial Episodic
Loop Sketchpad Buffer
Information Any Sound Images/Spaces Any
Function Control other components/ Stores and Manipulates Integrates
Synthesise repeats images information
information/planning/problem sounds from
Testing Problem solving/generating Verbal Visual imagery
Tasks random information reasoning
For working memory model
Baddley and Hitch:
-PPs asked to complete a reasoning task whilst reading aloud a list of 6 digits..…read more
Here's a taster:
For visuo spatial sketchpad
-PPS had to imagine the letter E and use the words `Yes' and `No' as `left' and `right' when
telling someone else to draw out the letter. At the same time the PPs had to track the
movement of a dot of line with a pointer.…read more