Memory models

The Multi-store model
1. Evidence to support 3 separate memory stores
  1. The sensory store
  2. The serial position effect
  3. Areas of the brain associated with STM and LTM
2. Strengths
  1. Strong evidence of seperate stores
  2. Provides an account of memory in terms or structure and process
  3. Has clear predictions for memory
3. Weaknesses
  1. STM and LTM are not unitary stores
  2. Rehearsal Vs Processing
  3. STM actually relies on LTM
The Working Memory model
1. Evidence supporting this model
  1. Evidence for the four components
  2. Doing two tasks using the same or different components
  3. Evidence from brain damaged patients
2. Components
  1. Central Executive
    1. Direct attention to particular tasks
    2. Determines how 'resources' are allocated to tasks
    3. Data arrives from LTM or SM
    4. Limited capacity
  2. Phonological Loop
    1. Deals with auditory information and preserves the order
    2. Phonological Store
      1. Holds words we hear
    3. Articulatory Process
      1. Used for words heard or seen
    4. Limited capacity
  3. Visuo-spatial Sketchpad
    1. Used when you have to plan a spatial task
    2. Visual information is temporarily stored here
  4. Episiodic Buffer
    1. Extra storage system
    2. Integrates memory from other stores
    3. Limited capacity
3. Strengths
  1. Explains observations made by psychologists
  2. Lots of evidence to support this
  3. Different kinds of memory
4. Weaknesses
  1. Central executive too vague
  2. Some of the key evidence is not comparible before and after

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Memory models

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