Table 1.
IST key measures
| IST measure | Group/session | Fixed win, mean (SEM) | Decreasing win, mean (SEM) |
|---|---|---|---|
| Boxes opened | HC | 16.83 (1.00) | 7.66 (0.65) |
| ADHD-placebo | 17.81 (1.45) | 6.92 (1.13) | |
| ADHD-MPH | 16.26 (1.53) | 5.83 (1.03) | |
| Quality of information | HC | 0.86 (0.02) | 0.70 (0.01) |
| ADHD-placebo | 0.87 (0.03) | 0.67 (0.02) | |
| ADHD-MPH | 0.83 (0.12) | 0.66 (0.09) | |
| Choice latencya | HC | 3.34 (0.80) | 1.78 (0.15) |
| ADHD-placebo | 4.72 (0.92) | 2.23 (0.24) | |
| ADHD-MPH | 3.96 (0.91) | 2.38 (0.38) | |
| Poor decisions | HC | 0.38 (0.15) | 0.62 (0.03) |
| ADHD-placebo | 1.33 (0.26) | 1.94 (0.37) | |
| ADHD-MPH | 1.00 (0.23) | 1.72 (0.48) |
HC healthy control group, ADHD-placebo attention deficit hyperactivity group on placebo, ADHD-MPH attention deficit hyperactivity group on methylphenidate
aLatency measures are reported in seconds