Table 2.
ERD and ERS showed significant differences between males and females during the auditory oddball task. These ERD and ERS regions were chosen as seeds. X, Y and Z indicate coordinates of the seed regions.
| Frequency | Time window | X | Y | Z | ERDERS ratio (%) | One sample t-test | Paired t-test | Region | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sex | Mean | 95% confidence interval | ||||||||||||
| lower limit | upper limit | t-value | p-value | t-value | p-value | |||||||||
| 1 | 30-50Hz | 450-500ms | -5.0 | -6.0 | 32.0 | Male | -7.7 | -46.2 | 30.9 | -0.426 | 0.677 | -2.267 | 0.031 | Left-posterior cingulate cortex (CGp) |
| Female | 41.4 | 14.8 | 67.9 | 3.323 | 0.005 | |||||||||
| 2 | 50-100Hz | 200-250ms | 0.0 | 19.0 | 15.0 | Male | 6.6 | -15.2 | 28.5 | 1.020 | 0.325 | -2.069 | 0.048 | Right-caudal anterior cingulate cortex (cACC) |
| Female | 38.5 | 14.1 | 62.9 | 2.409 | 0.029 | |||||||||
| 3 | 100-150Hz | 325-375ms | 1.0 | 41.0 | -3.0 | Male | 28.4 | 11.2 | 45.6 | 3.549 | 0.003 | 2.289 | 0.030 | Left-rostral anterior cingulate cortex (rACC) |
| Female | 1.3 | -17.1 | 19.8 | 0.152 | 0.882 | |||||||||