Table 1

The gain-loss structure in the original IGT.
IGT
 A
 B
 C
 D
1
 100
 100
 50
 50
2
 100
 100
 50
 50
3
 100, -150
 100
 50, -50
 50
4
 100
 100
 50
 50
5
 100, -300
 100
 50, -50
 50
6
 100
 100
 50
 50
7
 100, -200
 100
 50, -50
 50
8
 100
 100
 50
 50
9
 100, -250
 100, -1250
 50, -50
 50
10
 100, -350
 100
 50, -50
 50, -250
11
 100
 100
 50
 50
12
 100, -350
 100
 50, -25
 50
13
 100
 100
 50, -75
 50
14
 100, -250
 100, -1250
 50
 50
15
 100, -200
 100
 50
 50
16
 100
 100
 50
 50
17
 100, -300
 100
 50, -25
 50
18
 100, -150
 100
 50, -75
 50
19
 100
 100
 50
 50
20
 100
 100
 50, -50
 50, -250
21
 100
 100,-1250
 50
 50
22
 100,-300
 100
 50
 50
23
 100
 100
 50
 50
24
 100, -350
 100
 50, -50
 50
25
 100
 100
 50, -25
 50
26
 100, -200
 100
 50, -50
 50
27
 100, -250
 100
 50
 50
28
 100, -150
 100
 50
 50
29
 100
 100
 50, -75
 50, -250
30
 100
 100
 50, -50
 50
31
 100, -350
 100
 50
 50
32
 100, -200
 100, -1250
 50
 50
33
 100, -250
 100
 50
 50
34
 100
 100
 50, -25
 50
35
 100
 100
 50, -25
 50, -250
36
 100
 100
 50
 50
37
 100, -150
 100
 50, -75
 50
38
 100, -300
 100
 50
 50
39
 100
 100
 50, -50
 50
40
 100
 100
 50, -75
 50
Final Outcomes
 -1000
 -1000
 +1000
 +1000
Gain-loss Frequency (in average 10 tirals)
 5 gains 5 losses
 9 gains 1 loss
 5 gains 5 losses
 9 gains 1 loss

Chiu and Lin Behavioral and Brain Functions 2007 3:37   doi:10.1186/1744-9081-3-37