Table 4.
Variability in principal axes orientation reported as angular standard deviations from group standard orientations. (Left brain structures greyed)
| Structure | SD3 (axis) | SD2 (axis) | SD1 (axis) |
|---|---|---|---|
| whole brain- | 2.56° (z) | 3.14° (x) | 2.85° (y) |
| Hemispheres- | 1.17° (z) | 3.89° (x) | 3.92° (y) |
| Cerebellum- | 10.47° (z) | 10.34° (y) | 1.00° (x) |
| Brainstem- | 2.63° (y) | 2.44° (x) | 1.80° (z) |
| L IFG- | 8.62° (x) | 8.60 (z) | 3.89° (y) |
| R IFG- | 8.06° (x) | 8.60° (z) | 4.00° (y) |
| L precuneus- | 2.92° (x) | 7.63° (y) | 8.00° (z) |
| R precuneus- | 2.23° (x) | 10.07° (y) | 10.46° (z) |
| L putamen- | 1.96° (x) | 2.62° (z) | 2.51° (y) |
| R putamen- | 4.20° (x) | 4.46° (z) | 2.36° (y) |
| L hippocampus- | 3.71° (z) | 4.48° (x) | 4.02° (y) |
| R hippocampus- | 4.13° (z) | 4.84° (x) | 3.40° (y) |
| L caudate- | 3.88° (x) | 3.80° (x,y,z) | 2.50° (y) |
| R caudate- | 4.44° (x) | 4.42° (x,y,z) | 2.11° (y) |
Subscripts indicate smallest (3) to largest (1) principal axes.
(x,y,z) indicates no clear axis association.