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Table 3. 

Statistics of Significantly Tuned Neurons for Reward from Each Region in Each Epoch

  OFC (n = 115) VS (n = 103) DS (n = 204) 
Offer 1 
Significant neurons 37 25 38 
Percent 32.54 24.70 18.64 
p <.001 <.001 <.001 
  
Offer 2 
Significant neurons 40 26 30 
Percent 34.64 25.61 14.67 
p .002 <.001 <.001 
  
Offer 3 
Significant neurons 43 28 35 
Percent 37.32 26.89 17.17 
p <.001 <.001 <.001 
  
Choice 
Significant neurons 20 21 33 
Percent 17.53 20.82 16.18 
p <.001 <.001 <.001 
  OFC (n = 115) VS (n = 103) DS (n = 204) 
Offer 1 
Significant neurons 37 25 38 
Percent 32.54 24.70 18.64 
p <.001 <.001 <.001 
  
Offer 2 
Significant neurons 40 26 30 
Percent 34.64 25.61 14.67 
p .002 <.001 <.001 
  
Offer 3 
Significant neurons 43 28 35 
Percent 37.32 26.89 17.17 
p <.001 <.001 <.001 
  
Choice 
Significant neurons 20 21 33 
Percent 17.53 20.82 16.18 
p <.001 <.001 <.001 

p value is obtained using a two-way binomial test against 5% expected chance. Time range selected for offers was 200–700 msec from each stimulus onset, and time range for choice was 750 msec from choice onset.

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