Table II.
Behavioral data
| ADHD N = 19 mean (SD) | Controls N = 19 mean (SD) | F statistic df [3,34] | P value | |
|---|---|---|---|---|
| Go‐NoGo task (inhibition response) | ||||
| Go trials incorrect | 7.16 (15.41) | 0.37 (0.96) | 0.826 | 0.488 |
| Nogo trials incorrect | 24.16 (17.57) | 19.58 (12.60) | 1.382 | 0.265 |
| Reaction time | 361.37 (70.44) | 334.39 (40.32) | 3.962 | 0.016 |
| Standard deviation | 74.72 (15.64) | 60.75 (12.06) | 6.988 | 0.001 |
| MID task (reward anticipation) | ||||
| Percentage correct | 63.61 (4.25) | 66.51 (3.48) | 2.133 | 0.114 |
| Correct win cue trials | 8.57 (5.85) | 9′89 (6.12) | 1.022 | 0.395 |
| Correct loss cue trials | 24.63 (4.16) | 28.52 (5.53) | 2.674 | 0.063 |
| Correct control cue trials | 29.57 (1.38) | 29.63 (1.8) | 0.927 | 0.438 |
| Reaction time | 246.49 (32.89) | 205.25 (19.74) | 11.33 | <0.001 |
| Standard deviation | 73.49 (30.41) | 48.19 (10.28) | 5.2 | 0.005 |
This table lists the results of group comparisons on the behavioral measures extracted from the Go‐NoGo paradigm and the monetary incentive delay (MID) task after excluding the effect of estimated IQ and age. Variables are expressed by their mean and their standard deviation (SD).