Table 3.
Mean N2 amplitudes and latencies in normal control and ADHD-trait groups
| Site | Normal control (n=28) | ADHD-trait (n=29) | |||
|---|---|---|---|---|---|
|
|
|
||||
| Congruent | Incongruent | Congruent | Incongruent | ||
| Amplitude (μV) | F3 (12) | −1.65 (2.25) | −2.33 (2.38) | −1.28 (1.93) | −1.56 (1.86) |
| Fz (6) | −1.15 (2.67) | −2.96 (2.79) | −0.66 (2.26) | −2.29 (2.24) | |
| F4 (60) | −1.38 (3.09) | −2.33 (2.21) | −0.73 (2.12) | −2.07 (1.90) | |
| FC3 (15) | −1.23 (1.69) | −0.93 (1.98) | −0.99 (1.79) | −0.60 (1.44) | |
| FCz (4) | −0.68 (2.66) | −1.80 (2.80) | −0.66 (2.63) | −1.33 (2.49) | |
| FC4 (53) | −0.65 (2.34) | −1.14 (2.37) | 0.01 (1.83) | −0.67 (1.55) | |
| C3 (20) | −0.88 (1.48) | 0.19 (1.48) | −0.57 (1.72) | 0.21 (1.34) | |
| Cz | −0.29 (2.45) | −0.44 (2.62) | −0.13 (2.32) | −0.15 (2.17) | |
| C4 (50) | −0.34 (1.98) | −0.29 (2.03) | 0.26 (1.49) | 0.02 (1.28) | |
| Latency (ms) | F3 (12) | 223.86 (25.43) | 231.71 (24.32) | 224.41 (22.56) | 239.45 (27.35) |
| Fz (6) | 223.71 (28.60) | 230.43 (21.45) | 226.48 (24.18) | 242.34 (29.27) | |
| F4 (60) | 222.71 (26.02) | 231.86 (20.15) | 225.79 (25.36) | 239.17 (25.13) | |
| FC3 (15) | 224.43 (27.16) | 229.86 (26.27) | 225.10 (26.64) | 240.41 (32.38) | |
| FCz (4) | 226.86 (28.76) | 232.29 (24.92) | 225.93 (25.09) | 243.03 (27.91) | |
| FC4 (53) | 224.43 (29.12) | 230.29 (24.86) | 223.31 (23.83) | 240.41 (29.07) | |
| C3 (20) | 223.57 (25.86) | 226.57 (28.79) | 230.07 (28.84) | 236.28 (30.56) | |
| Cz | 221.86 (25.82) | 226.71 (21.67) | 228.80 (26.16) | 238.07 (29.05) | |
| C4 (50) | 220.43 (28.97) | 221.57 (24.52) | 226.90 (24.91) | 235.17 (30.07) | |
Values are presented as mean (standard deviation).
ADHD, attention-deficit/hyperactivity disorder.