TABLE 2.
Group Performance on Oculomotor Tasks
| Controls |
ADHD |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Girls (n = 29 ) |
Boys (n = 31) |
Total (n = 60) |
Girls (n = 24) |
Boys (n = 36) |
Total(n = 60) |
|||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| Response preparation | ||||||||||||
| VGS latency, msa,c,d | 219.8 | 31.1 | 226.0 | 31.1 | 223.0 | 31.0 | 251.3 | 49.6 | 230.5 | 38.5 | 238.8 | 44.1 |
| VGS variability, msa | 22.9 | 5.2 | 24.7 | 5.9 | 23.8 | 5.6 | 26.4 | 5.4 | 25.9 | 5.3 | 26.1 | 5.3 |
| Response inhibition | ||||||||||||
| AS % errorsb | 55.7 | 21.3 | 55.6 | 18.5 | 55.7 | 19.8 | 65.3 | 15.7 | 68.5 | 17.1 | 67.3 | 16.5 |
| MGS % errorsb | 26.5 | 12.9 | 31.3 | 12.1 | 29.0 | 12.7 | 40.3 | 16.4 | 42.4 | 15.1 | 41.6 | 15.6 |
| GNG % commissionsb | 52.3 | 19.3 | 57.9 | 20.9 | 55.2 | 20.2 | 64.2 | 19.3 | 65.2 | 16.9 | 64.8 | 17.8 |
| Working memory | ||||||||||||
| MGS accuracy | 11.4 | 5.1 | 12.7 | 6.7 | 12.1 | 6.0 | 11.1 | 5.5 | 11.8 | 7.0 | 11.5 | 6.4 |
Note: AS = antisaccades; GNG = go/no-go; MGS = memory-guided saccades; VGS = visually guided saccades.
a
ADHD > controls (total group), p < .05.
b
ADHD > controls (total group), p < .01.
c
ADHD > controls (girls only), p < .05.
d
Girls > boys (ADHD only), p < .05 (covarying for ADHD symptom severity).