Table 1 Main group characteristics and overall performance on the incentive go/no-go task
| Â | ADHD group (n = 16) | Control group (n = 16) | Group differencesa |
|---|---|---|---|
| Â | M (SD) | M (SD) | Â |
Age (years) | 10.7 (1.6) | 10.2 (1.3) | ns |
IQ (WISC-III) | 97.1 (14.2) | 102.7 (9.5) | ns |
CBCL (parent rating) | Â | Â | Â |
Internalizing | 60.4 (7.7) | 52.3 (10.7) | p = .01 |
Externalizing | 64.1 (4.8) | 52.9 (6.6) | p < .001 |
Attention | 71.1 (5.6) | 54.4 (3.7) | p < .001 |
FBB-HKS (parent rating) | 82.6 (10.4) | 36.7 (18.9) | p < .001 |
FA baseline | 29.0 (10.7) | 30.0 (13.9) | ns |
FA social reward | 13.1 (7.3) | 22.1 (10.9) | p = .011 |
FA monetary reward | 10.6 (8.5) | 14.8 (10.8) | ns |
RT hits baseline | 446.3 (84.3) | 435.8 (46.1) | ns |
RT hits social reward | 438.8 (88.7) | 414.6 (43.2) | ns |
RT hits monetary reward | 454.4 (80.4) | 416.8 (58.4) | ns |
RT false alarms baseline | 355.2 (75.5) | 407.5 (134.3) | ns |
RT false alarms social reward | 396.4 (121.1) | 401.3 (126.0) | ns |
RT false alarms monetary reward | 397.9 (65.9) | 388.7 (164.5) | ns |