Table 3.
Percentage variance explained by the first principal component of the voxelwise time-courses of a particular subcortical region in wakefulness and light sleep stage 1.
| Region | Voxels | Mean (SD) S0 percentage |
Mean (SD) S1 percentage |
SDpooled | t1 |
|---|---|---|---|---|---|
| Thalamus (left) | 1100 | 25.1 (9.1) | 30.5 (5.6) | 10.9 | 1.48 |
| Thalamus (right) | 1057 | 24.7 (4.2) | 26.8 (7.6) | 7.2 | 0.89 |
| Putamen (left) | 1009 | 22.2 (3.4) | 24.4 (5.4) | 5.8 | 1.22 |
| Putamen (right) | 1064 | 23.8 (4.0) | 27.1 (4.5) | 6.6 | 1.59 |
1df = 8 for thalamus, df = 9 for putamen.