The Multi Stoore Model

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The multi store model (Atkinson and Shiffrin, 1968) is a classic model of memory. It is sometimes called the modal model or the dual process model. Atkinson and Shiffrin (1968) suggest that memory is made up of a series of stores (see below) The multi store model (Atkinson and Shiffrin 1968) describes memory in terms of information flowing through a system. Information is detected by the sense organs and enters the sensory memory. If attended to this information enters the short term memory. Information from the STM is transferred to the long-term memory only if that information is rehearsed. If rehearsal does not occur, then information is forgotten, lost from short term memory through the processes of displacement or decay. Sensory Memory • Duration: ¼ to ½ second • Capacity: all sensory experience (v. larger capacity) • Encoding: sense specific (e.g. different stores for each sense) Short Term Memory • Duration: 0-18 seconds • Capacity: 7 +/- 2 items • Encoding: mainly auditory Long Term Memory • Duration: Unlimited • Capacity: Unlimited • Encoding: Mainly Semantic (but can be visual and auditory) Evaluation of the Multi-Store Model Strengths Many memory studies provide evidence to support the distinction between STM and LTM (in terms of encoding, duration and capacity). The model can account for primacy & regency effects. The model is influential as it has generated a lot of research into memory. The model is supported by studies of amnesiacs: For example the HM case study. HM is still alive but has marked problems in long-term memory after
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