Memory: 3

Last update by agathaismycopilot on 09/11/2011
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Evidence for the episodic buffer?

Answer:
Baddeley found participates when shown words and asked for immediate recall, performed better with sentences than with unrelated words. This supports the idea of an immediate memory store for items that are neither visual or phonological and that can draw on LTM, to link the words together.

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  • agathaismycopilot
    Answered in Memory: 3
    Evidence for the phonological loop & articulatory process.
    Explains the 'word length effect', longer words cannot be rehearsed on the loop, because they won't fit due to the limited capacity. If a person is given an articulatory suppression task, the task ties up the process and means you cannot rehearse shorter words more quickly and the word length effect disappears.
  • agathaismycopilot
    Answered in Memory: 3
    Studies to do with Multi-tasking, what did they show and how did they support the working model?
    Hitch and Baddeley conducted an experiment to test the effect of using more than one component of working model at a time. Task 1: Involved the CE & the articulatory loop. 2: Involved one without an additional task. The results showed that task 1 was much more difficult. But the task 2, did not cause any problems, suggesting when two different components are used performance isn't affected.
  • agathaismycopilot
    Answered in Memory: 3
    Evidence from brain damaged patients which supports the WM?
    *Case study of KF. His STM worked independently from his LTM. His short-term memory was much better in the area of verbal material which was meaningful. Thus his brain damage seemed to be restricted to the phonological loop.

    *Another patient SC, had good learning abilities with exception of being able to learn 'word pairs', suggesting damage to the phonological loop.

    *Another patient LH, had been involved in a road accident, performed better at spatial tasks than those involving visual imagery. This suggests separate visual and spatial systems.'
  • agathaismycopilot
    Answered in Memory: 3
    Strengths of the Working model?
    *Emphasis on process rather than structure

    *Explains the word length effect and partial short term memory difficulties (KF & SC)

    *Considerable amount of research evidence to support the model, especially more recent studies & brain scans, showing active areas of the brain.

    *Opens up further research & opportunities for refining the model. Allowing psychologists involve themselves further into the idea of sub-components of memory.
  • agathaismycopilot
    Answered in Memory: 3
    Weaknesses of the Working model?
    *The term central exclusive is very vague and doesn't really explain anything.

    * CE actually may be built up of seven components.

    *Eslinger and Demasio: Seven components.

    *Much of the clinical evidence came from brain damaged patients, which means no before or after comparisons could be made.

    *EVR, a patient with a brain tumor displayed ability with reasoning but had very poor decision making skills. Suggesting more than one component to CE.