borderline significantp = 0.061
For streamline density, a borderline significant main effect for the covariate age was found F(1, 42) = 3.702, p = 0.061, η 2 = 0.081 as well as borderline significant interactions between handedness and CC region F(6, 126) = 2.004, p = 0.070, η 2 = 0.087.