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Give a brief account of the multi-storemodel of memory and consider its strengths and weaknesses.

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Introduction

Give a brief account of the multi-store model of memory and consider its strengths and weaknesses. (18 marks) Atkinson and Shiffrin (1968) claimed that the memory system was made up of three distinct stores. Sensory memory where information can be stored for a very brief moment of time. STM, that has very little capacity and information can only be stored for a short duration of time and finally LTM which potentially has unlimited capacity and duration. ...read more.

Middle

The existence of separate stores is further supported by the use of modern brain scanning techniques (such as PET SCANS). These have shown, for example the prefrontal cortex is often active when individuals are involved in immediate tasks (i.e. STM) whereas the hippocampus is active when LTM in individuals is engaged. The idea that there is a physiological difference between the STM and LTM is further supported by the study of a man called HM (Milner 1966). ...read more.

Conclusion

Semantic, episodic and procedural memory). This model also suggests only one type of STM store whereas Baddeley and Hitch's working memory model shows that this is too much of an over simplification. Too conclude this argument, Atkinson and Shiffrin propose that rehearsal is the only method that information is stored in LTM. Despite this claim, it is unlikely that rehearsal is the only method of information being stored in long term. Flash bulb memories, for example are another way and extremely long lasting. These types of memories don't require any rehearsal at all, for example the tragic events of September the 11th. ...read more.

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