... stimuli being separated into different types of material. The short-term store has a very limited capacity and stores information until it is replaced by other material. Material remains in this store through rehearsal. The long-term store has an almost unlimited capacity, and forgetting only occurs because of an inability to retrieve the memory trace from similar existing memories. Another approach was proposed by Baddeley & Hitch (1974) in the form of the working memory model. This model also consists of three parts; the central executive, which determines what is and what is not attended to, it has a limited capacity and deals with tasks which are cognitively demanding. It also has an articulatory loop, which, put simply, is a verbal rehearsal system which has a capacity of two seconds of verbal output. Furthermore, there is a visuo-spatial scratch pad which can hold and rehearse visual and spatial information. The final approach to ...

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