Nature of memory

mind map with basic points for the nature of memory from the topic of memory

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  • Created by: laura
  • Created on: 03-11-12 09:42
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  • nature of memory
    • capacity
      • L.T.M
        • unlimited
        • NO STUDIES AS IMPOSSIBLE TO TEST
      • S.T.M
        • 5 to 7 items
        • jacobs (1887)
          • 9.3 digits and 7.3 letters
        • Miller (1956)
          • average span 7+-2 items
        • Cowan (2000)
          • 4 chunks of info
    • encoding
      • L.T.M
        • encoded semantically
        • baddeley (1996)
          • confused words with similar meaning
          • conflicting research
            • frost (1972)
              • can also encode visually
          • lacks ecological validity
        • frost (1972)
          • can also encode visually
      • S.T.M
        • encoded accoustically
        • Baddeley (1996)
          • confused words acoustically similar
          • has control over variables
          • conflicting research
        • bandimore et al (1992)
          • can also  encode visually
          • conflicting research
    • duration
      • L.T.M
        • unlimited
        • bahrick et al (1975)
          • 70% remembered faces after 48 yrs
          • has ecological validity
          • only testing facial recognition
        • shepard (1967)
          • 50% remembered after 4 months
          • lacks ecological validity
      • S.T.M
        • very limited
        • peterson and peterson (1959)
          • 2% remembered after 18 seconds
          • lacks ecological validity
          • can control variables
        • nairne(1999)
          • lasts up to 96 seconds

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