PS251 - Criticisms of Multi Store Model

Too simplistic

• Too simplistic especially in its view as STM as a single store.

• Shallice & Warrington (1970) found patient KF had severely impaired STM but relatively intact LTM suggesting STM is not a unitary system

• Led Baddeley & Hitch (1974) to propose working memory model which divides STM into multiple components

Assumes one-way flow of information from short-term to long-term memory

• Logie (1999) argued that processes in STM often rely on information retrieved from LTM

• This shows that memory functions are interactive rather than sequential

Focuses on structure rather than function

• Ignores factors like meaning and motivation

• Studies of HM (Scoville & Milner, 1957) showed that while he could not form new LTM, he could still learn some procedural tasks suggesting that rehearsal is not the only route to long-term storage and different memory systems exist beyond what MSM suggests

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