Table 2.
Summary of DTI group differences.
| Measure | Direction | Region | Hemisphere |
|---|---|---|---|
| A) | |||
| DTI | |||
| FA | VSS > HC | ||
| Prefrontal WM (with inferior fronto-occipital fascicle) | Bilateral | ||
| Superior longitudinal fascicle III | Right | ||
| Occipital WM | Right | ||
| Temporal WM | Right | ||
| Middle longitudinal WM | Right | ||
| Sagittal stratum | Right | ||
| MD | HC > VSS | ||
| Prefrontal WM (with inferior fronto-occipital fascicle) | Bilateral | ||
| Superior longitudinal fascicle III | Right | ||
| Corpus callosum | n.a. | ||
| Temporal WM | Right | ||
| RD | HC > VSS | ||
| Prefrontal WM (with inferior fronto-occipital fascicle) | Bilateral | ||
| Superior longitudinal fascicle III | Right | ||
| Occipital WM | Right | ||
| Temporal WM | Right | ||
| Middle longitudinal WM | Right | ||
| Sagittal stratum | Right | ||
| B) | |||
| DTI | |||
| FA | VSS > HC | ||
| Prefrontal WM (with inferior fronto-occipital fascicle) | Bilateral | ||
| Superior longitudinal fascicle III | Right | ||
| Occipital WM | Right | ||
| Temporal WM | Right | ||
| Sagittal stratum | Right | ||
| RD | HC > VSS | ||
| Prefrontal WM (with inferior fronto-occipital fascicle) | Bilateral | ||
| Superior longitudinal fascicle III | Right | ||
| Temporal WM | Right | ||
| C) | |||
| DTI | |||
| FA | VSS > HC | ||
| Prefrontal WM (with inferior fronto-occipital fascicle) | Right | ||
| Superior longitudinal fascicle III | Right | ||
| Sagittal stratum | Right | ||
| RD | HC > VSS | ||
| Prefrontal WM (with inferior fronto-occipital fascicle) | Right | ||
| Superior longitudinal fascicle III | Right | ||
| Occipital WM | Right | ||
| Temporal WM | Right | ||
| Sagittal stratum | Right | ||
HC, healthy controls; VSS, patients with visual snow syndrome; n.a., not applicable. A) Results are TFCE, age, and sex corrected. B) Results are TFCE, age, and sex as well as for migraine. C) Results are TFCE, age, and sex corrected as well as for tinnitus.