PHONOLOGICAL
SYSTEM
WOLF
WOLF
VISUAL
PROCESSES
VISUAL
WORD-FORM
SYSTEM
“WOLF”
SEMANTIC
SYSTEM
SPEECH
           



 






      


      

   
   








Make sure you understand the
basic idea of a neural network.
W
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NEURON
W

Thursday, 12 September, 13
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
   


      



    



     
      

     




    



     



     
    





     
     

     
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What was the “initial version” of the model by
Hinton and Shallice?
Why was it unsatisfactory?
How did the authors alter the model to produce
better learning?
What is an “attractor region”?
Why does damage to the semantic clean-up circuit
sometimes produce visual errors?
Thursday, 12 September, 13
What is the authors’ explanation for the
fact that typically, patients are better at reading
concrete than abstract words?
How do they explain the one rare patient who
reads abstract words better than concrete words?
Thursday, 12 September, 13