Multi-store model and Working memory model

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  • Created by: ashleigh
  • Created on: 09-01-15 16:40
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  • Cognitive Psychology
    • Multi store Model
      • Sensory model
        • Short term memory
          • Limited capacity/ duration. Encoded mainly acoustically
            • How long do items stay in the STM without rehearsal?
              • Peterson and Peterson
                • Participants given trigrams to recall to stop rehearsal= count back in 3's
                • Participants could recall about 80% after 3 sec interval but only 10& after 18 seconds
                  • Informtaion is lost very quickly from the STM if rehearsal id prevented
        • Limited capacity/ duration. Encoded mainly acoustically
      • Evidence for
        • Glanzer and Cunitz
          • AIM- Test the existence of seperate stores
          • PROCEDURE-Participants given word list and asked to recall condition 1- Recall immediately Condition 2- Distracting task of counting backwards in 3's
          • FINDINGS-The people doing the recall with distraction couldnt remember the last words, as they had been displaced from STM
      • Evidence Against
        • Warrington and Shallice
          • KF suffered open head injuries after a motorcyle incident
          • They found his STM didnt work, however long term memories could still be made
            • If the MSM was correct it==the STM would be necessary for KF to form LTMemories however it wasnt
    • Working Memory Model
      • Central Executive (In control)
        • Phonological loop (Verbal info)
          • Episodic buffer (put audio and visual together)
            • LONG TERM MEMORY
              • Visuo-Spatial sketchpad (Visual info)
              • Phonological loop (Verbal info)
                • Episodic buffer (put audio and visual together)
                  • LONG TERM MEMORY
                    • Visuo-Spatial sketchpad (Visual info)
      • Evidence for
        • Baddeley and Hitch
          • AIM-Test if dual tasks overload the STM or if they can be divided to slave components
          • PROCEEDURE-Reasoning task given to complete at same time as repeating 6 digits out loud, condition two did not have to repeat digits
          • FINDINGS-Took longer to check sentences whilst repeating f=digits, but very few errors were made
          • CONCLUSION-Both tasks can be done at the same time, so STM must be able to process different types of info at the same time
      • Evidence Against
        • Warrington and Shallice
          • KF suffered open head injuries after a motorcyle incident
          • They found his STM didnt work, however long term memories could still be made
            • If the MSM was correct it==the STM would be necessary for KF to form LTMemories however it wasnt
  • Multi store Model
    • Sensory model
      • Short term memory
        • Limited capacity/ duration. Encoded mainly acoustically
          • How long do items stay in the STM without rehearsal?
            • Peterson and Peterson
              • Participants given trigrams to recall to stop rehearsal= count back in 3's
              • Participants could recall about 80% after 3 sec interval but only 10& after 18 seconds
                • Informtaion is lost very quickly from the STM if rehearsal id prevented
      • Limited capacity/ duration. Encoded mainly acoustically
    • Evidence for
      • Glanzer and Cunitz
        • AIM- Test the existence of seperate stores
        • PROCEDURE-Participants given word list and asked to recall condition 1- Recall immediately Condition 2- Distracting task of counting backwards in 3's
        • FINDINGS-The people doing the recall with distraction couldnt remember the last words, as they had been displaced from STM

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