Table 3.
Areas Activated During the Letter Fluency Task as Obtained from Baseline Assessments of All Participants (21 Insomnia Patients vs. 12 Controls) from Anterior to Posterior Brain Regions
| anatomical region | Z value | x | y | z |
|---|---|---|---|---|
| left inferior frontal gyrus (BA 44,45) | 6.68 | −46 | 38 | 2 |
| left inferior frontal gyrus (BA 44,45) | 6.56 | −50 | 36 | 0 |
| left frontal polar cortex (BA 10) | 6.61 | −40 | 34 | −18 |
| left anterior cingulate cortex (BA 24, 32) | 6.07 | −4 | 28 | 38 |
| left dorsolateral prefrontal cortex (BA 9, 46) | 6.61 | −48 | 20 | 22 |
| left supplementary motor area (BA 6) | 6.22 | −44 | 14 | 14 |
| left parahippocampal region | 4.85 | −30 | −36 | −24 |
| right visual cortex | 5.26 | 8 | −66 | 4 |
| right visual cortex | 5.58 | 8 | −72 | 0 |
| left visual cortex | 5.47 | −6 | −72 | 6 |
| left visual cortex | 5.47 | −8 | −72 | 12 |
| right visual cortex | 5.92 | 4 | −84 | 10 |
| left visual cortex | 5.34 | −8 | −84 | 12 |
X, y, and z coordinates (in MNI space) refer to the voxel with the highest level of activation within the activated cluster of voxels, with corresponding Z-value.