Table 3 Two-sample t-test (voxel-level P < 0.01 and cluster-level P < 0.05 Gaussian random field corrected) of difference in causal influence to and from the left amygdala in patients with migraine without aura versus healthy controls
| Brain region | Peak MNI coordinates | Voxel size | Peak t score | |||
|---|---|---|---|---|---|---|
| X | Y | Z | ||||
| Causal outflow from L amygdala to the rest of the brain (X to Y) | ||||||
| L_Sup_Temporal | -60 | -42 | 12 | 203 | -3.5682 | |
| Causal inflow to L amygdala from the rest of the brain (Y to X) | ||||||
| L_Inf_Frontal | -39 | -15 | -24 | 118 | 6.0593 | |