Psychology AS: The Working Memory Model


Psychology: The Working Memory Model.

Baddeley and Hitch (1974) argued that the Multi-store Model of Memory was too oversimplified and suggested that short term memory was not a unitary store.

Central Executive: The Central Executive is the supervisory role for the whole theory (like a boss). It also deals with cognitive tasks such as problem solving and maths.

Visuo-spatial sketch/scratch pad: (Known as the inner eye) this is one of the 'slave systems' controlled by the Central Executive. It manipulates and stores visual and spatial information. Allowing a person to interact with sights.

Phonological loop: (Known as the inner ear) this is the other 'slave system' that works with auditory sounds. The phonological loop is split into two futher sections:

The Phonological store: Used to store all auditory sounds and information, has limited capacity and duration.

& the Articulatory Control Process: Linked to speech production- to allow vocal repetition and rehearsal.

Strengths and Weaknesses:


1) The Working Memory is more plausible than the Multi-store model of memory. It is high in validity because it fits in with 'real life' manipulation of the STM, rather than suggesting that it is a static store.

2) Physiological evidence from Brain Scans

 Brain activity


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