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Table 2. 

Mean Response Times (RTs, msec) with Standard Deviations in Parentheses

(a) High Options Tasks
Target
Correct (Hit)
Error (Miss)
Target
High Reward
Rejection
Size 8 813 (19) 829 (14) Size 8 760 (11) 861 (16) 
Size 32 823 (40) 783 (31) Size 32 812 (24) 773 (21) 
 
Nontarget Correct (CR) Error (FA) Nontarget  Rejection 
Size 8 824 (13) 898 (27) Size 8  882 (16) 
Size 32 788 (26) 839 (36) Size 32  774 (21) 
 
Total (Including Rejections) Correct Error  High Reward Rejection 
 818 (57) 823 (64)  764 (48) 791 (82) 
 
Total (Excluding Rejections) Correct + High Reward Error + Punish    
 792 (4) 813 (16)    
 
(b) Low Options Tasks 
Target Correct (Hit) Error (Miss)    
Size 8 743 (57) 804 (91)    
Size 32 850 (108) 816 (117)    
 
Nontarget Correct (CR) Error (FA)    
Size 8 808 (76) 807 (74)    
Size 32 803 (110) 810 (143)    
 
Total Correct Error    
 801 (69) 810 (78)    
(a) High Options Tasks
Target
Correct (Hit)
Error (Miss)
Target
High Reward
Rejection
Size 8 813 (19) 829 (14) Size 8 760 (11) 861 (16) 
Size 32 823 (40) 783 (31) Size 32 812 (24) 773 (21) 
 
Nontarget Correct (CR) Error (FA) Nontarget  Rejection 
Size 8 824 (13) 898 (27) Size 8  882 (16) 
Size 32 788 (26) 839 (36) Size 32  774 (21) 
 
Total (Including Rejections) Correct Error  High Reward Rejection 
 818 (57) 823 (64)  764 (48) 791 (82) 
 
Total (Excluding Rejections) Correct + High Reward Error + Punish    
 792 (4) 813 (16)    
 
(b) Low Options Tasks 
Target Correct (Hit) Error (Miss)    
Size 8 743 (57) 804 (91)    
Size 32 850 (108) 816 (117)    
 
Nontarget Correct (CR) Error (FA)    
Size 8 808 (76) 807 (74)    
Size 32 803 (110) 810 (143)    
 
Total Correct Error    
 801 (69) 810 (78)    

RTs are reported for correct responses separated by hits and correct rejections (CR); errors separated by misses and false alarms (FA); high rewards and rejections. Standard deviations are in parentheses. Totals calculated excluding rejections are used for comparison with the control task.

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