Working Model of Memory

Working Model of Memory

1. Baddeley and Hitch

   • +ve
     • real life applications
     • accounts for individual differences in memory process
     • shows how complex memory could be
     • EVIDENCE FROM BRAIN SCANS
       • each part of model has matching brain part
       • cannot fake evidence from brain scans
   • -ve
     • Not a complete explination of memory
     • Role played by CE is not clear
     • Model fails to take into account music memory

2. CENTRAL EXECUTIVE

   • controls 'slave' system
     • sends info to other components
     • limited capacity

3. PHONOLOGICAL LOOP

   • Ear
   • Evidence
     • Baddeley, Thomson & Buchanan 1975
       • syllable words
       • Polysyllabic words

4. ARTICULATORY LOOP

   • Speech
   • limited capacity

5. VISUO-SPATIAL SKETCHPAD

   • Inner eye
   • processes both spatial and visual information
   • Evidence
     • Shepard and Feng 1972
       • used 'nets'
         • virtual and physical
         • arrows meeting

6. EPISODIC BUFFER

   • Added by Baddeley in 2000
   • Linking information across domains