Multi-store model of memory: Atkinson & Shiffrin (1968)

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  • Multi-Store Model of memory. Theorist: Atkinson & Shiffrin (1968)
    • Unitary System
    • Linear path
    • Stores: Sensory, Short-Term memory & Long-Term memory
      • Sensory: Coding- Echoic/Iconic Capacity-        Large           Duration- Milliseconds
      • Short-Term memory: Coding- acoustic Capacity- 7+/-2 items Duration- max 30 secs
      • Long-term memory: Coding- Semantic Capacity- unlimited Duration- infinate
    • Strengths
      • Supporting Research: Glanzer & Cunitz (1996) Participants had to learn a list of words and recall. There were 2 conditions: Recall immediately or Recall with a delay. Intimidate= recalled words at start and middle of list       Delay= recalled words at beginning only,supports that STM & LTM are 2 seperate stores
        • Lacks population validity
      • Supporting Research: Patient HM was left with memory impairment after surgery could recall information from his life before surgery but could not pass new information into the LTM, showing that the memory stores are distinct and impairment means that the system does not run effectively.
        • Lacks population validity
    • Limitations
      • Too much emphasis placed on rehearsal as we can recall things from our LTM without rehearsing the information.
      • Has been argued that it is too simplistic in explaining entire memory system and doesn't consider strategies to aid remembering, or accept that some things are just easier to remember
      • Working Memory model challenges this model


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