Table 2.
Mean amplitudes (μV) of ERP measures.
| Variable | Patients |
Controls |
||||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | t/×2 | df | p | d | |
| Go trials | ||||||||
| N1 (μV) | 0.40 | 1.29 | −0.62 | 1.33 | 2.54 | 40 | 0.015 | 0.78 |
| P3 (μV) | 2.30 | 1.64 | 1.04 | 2.14 | 2.15 | 40 | 0.038 | 0.66 |
| Successful stop trials | ||||||||
| N1 (μV) | −1.95 | 2.14 | −4.51 | 3.21 | 3.04 | 40 | 0.004 | 0.94 |
| P3 (μV) | 3.41 | 2.55 | 6.74 | 3.94 | −3.26 | 34.2 | 0.003 | −1.00 |
| Unsuccessful stop trials | ||||||||
| N1 (μV) | −1.75 | 1.81 | −4.28 | 3.53 | 2.90 | 28.0 | 0.006 | 0.90 |
| N2 (μV) | −0.51 | 3.25 | −3.29 | 4.44 | 2.30 | 40 | 0.027 | 0.71 |
| P3 (μV) | 1.92 | 2.51 | 4.25 | 3.49 | −2.49 | 40 | 0.017 | −0.77 |
Note. M=mean, SD = standard deviation.