TABLE 7.
Results for mixed ANCOVA models including hemisphere as within-subject factor for values of GMV, CT, and SA from two time points for 200 participants.
| Basic ANCOVA model | Refined ANCOVA model | |||
| Hemisphere | Hemisphere × Time point × Language group |
Hemisphere | Hemisphere × Time point × Language group |
|
| GMV | ||||
| IFG |
F(1,195) = 2.144 p = 0.145 partial η2 = 0.011 |
F(1,195) = 0.265 p = 0.607 partial η2 = 0.001 |
F(1,193) = 0.243 p = 0.623 partial η2 = 0.001 |
F(1,193) = 0.134 p = 0.715 partial η2 = 0.001 |
| IPL |
F(1,195) = 14.356 p < 0.001 *** (L > R) partial η2 = 0.069 |
F(1,195) = 2.490 p = 0.116 partial η2 = 0.013 |
F(1,193) = 0.001 p = 0.980 partial η2 < 0.001 |
F(1,193) = 2.185 p = 0.141 partial η2 = 0.011 |
| CT | ||||
| IFG |
F(1,195) = 7.867 p = 0.006 ** (L > R) partial η2 = 0.039 |
F(1,195) = 2.392 p = 0.124 partial η2 = 0.012 |
F(1,193) = 0.020 p = 0.887 partial η2 < 0.001 |
F(1,193) = 0.749 p = 0.388 partial η2 = 0.004 |
| IPL |
F(1,195) = 1.506 p = 0.221 partial η2 = 0.008 |
F(1,195) = 2.502 p = 0.115 partial η2 = 0.013 |
F(1,193) = 1.817 p = 0.179 partial η2 = 0.009 |
F(1,193) = 4.136 p = 0.043 * partial η2 = 0.021 |
| SA | ||||
| IFG |
F(1,195) = 5.177 p = 0.024 * (R > L) partial η2 = 0.026 |
F(1,195) = 0.484 p = 0.487 partial η2 = 0.002 |
F(1,193) = 0.476 p = 0.491 partial η2 = 0.002 |
F(1,193) = 0.063 p = 0.801 partial η2 < 0.001 |
| IPL |
F(1,195) = 6.173 p = 0.014 * (L > R) partial η2 = 0.031 |
F(1,195) = 0.012 p = 0.912 partial η2 < 0.001 |
F(1,193) = 0.562 p = 0.455 partial η2 = 0.003 |
F(1,193) = 0.798 p = 0.373 partial η2 = 0.004 |
*p < 0.05; **p < 0.01; ***p < 0.001.
Key: GMV, gray matter volume; CT, cortical thickness; SA, surface area; IFG, inferior frontal gyrus; IPL, inferior parietal lobule; ANCOVA, Analysis of Covariance; R, right; L, left.