Multi-Store Model of Memory

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  • Multi-Store Model of Memory
    • Material in the stm must be rehearsed long enough for it to be transformed to a ltm - if it's not rehearsed it is lost when new information comes into the stm store and displaces it
      • Information lost through displacement is lost on the first-in-first-out principle
    • Information that is attended to is held in the short term memory for around 30 seconds
      • Capacity is very small - around 5-9 items (Miller, 1956)
      • Information held here tends to be encoded phonetically (Conrad, 1964)
    • The sensory memory is 'relatively large' and the encoding is modality specific
    • 2) Information that's attended to in the sensory memory is transferred to short term memory
      • Short term memory has a limited capacity and duration
    • 1) Information is initially stored for a fraction of a second at the sensory organs in the sensory memory - the sensory register
    • 3) Information rehearsed in the short term memory is transferred to the long term memory
    • Proposed by Atkinson & Shiffrin (1968), arguing that there are 3 types of information store
      • Information flows through stores - which each have different capacities and durations
    • Long term memory has an unlimited capacity - information can last a lifetime
      • Information in the ltm is stored semantically (Conrad, 1964)

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