Table 1.
Descriptive Statistics of SST Measures at Age 17 Years.
| Variable | Mean (SD) | Range | n |
|---|---|---|---|
| Probability of go omissions | 0.005 (0.002) | 0.003–0.017 | 49 |
| Probability of choice errors on go trials | 0.05 (0.06) | 0–0.37 | 49 |
| Mean RT on go trials | 678.49 (165.63) | 431.74–1153.65 | 49 |
| nth RT | 576.01 (85.61) | 438.80–894.72 | 49 |
| SD RT on go trials | 195.20 (87.05) | 67.27–488.11 | 49 |
| Probability of responding on a stop trial | 0.43 (0.07) | 0.28–0.55 | 49 |
| Mean SSD | 537.67 (304.33) | 202.78–1572.22 | 49 |
| SSRT | 159.90 (56.29) | 46.11–278.17 | 49 |
| N2 mean amplitude | −0.12 (2.06) | −5.87–4.63 | 57 |
SST = stop-signal task; RT = reaction time; SD = standard deviation; SSD = stop-signal delay; SSRT = stop-signal reaction time.