Table.
Neuro-anatomic Structures Manifesting Significantly Altered Activation during Chewing
| Coordinates |
|||||||
|---|---|---|---|---|---|---|---|
| Contrast | Anatomic Structure | Cluster Size | t | z | x | y | z |
| Chew-block > Rest-block | Left pre-central gyrus*** | 464 | 9.54 | 6.32 | -44 | -14 | 34 |
| Right pre-central gyrus*** | 390 | 9.72 | 6.38 | 48 | -14 | 40 | |
| Left cerebellum, posterior lobe*** | 1734 | 10.08 | 6.50 | -18 | -72 | -18 | |
| Right cerebellum, posterior lobe*** | 383 | 9.31 | 6.24 | 10 | -68 | -48 | |
| Corpus callosum & caudate** | 92 | 6.08 | 4.81 | -2 | 20 | 2 | |
| Right anterior cingulate cortex* | 77 | 4.57 | 3.92 | 2 | 38 | 0 | |
| Midbrain & pons* | 83 | 4.36 | 3.55 | -6 | -22 | -36 | |
| Rest-block > Chew-block | Right inferior frontal gyrus*** | 23897 | 9.87 | 6.43 | 32 | 30 | -14 |
| Right frontal inferior operculum*** | 259 | 7.23 | 5.39 | 40 | 10 | 26 | |
| Left cerebellum, posterior lobe** | 202 | 6.76 | 5.16 | -34 | -82 | -46 | |
| Segment 1/5 > Rest-block | Left pre-central gyrus (6) (4)*** | 310 | 7.94 | 5.70 | -44 | -16 | 34 |
| Right pre-central gyrus (6) (4)*** | 365 | 9.51 | 6.31 | 44 | -16 | 40 | |
| Left & right posterior cingulate cortex*** | 5521 | 9.21 | 6.23 | -6 | -44 | 4 | |
| Left cerebellum, posterior lobe* | 148 | 9.70 | 6.37 | 10 | -68 | -48 | |
| Right cerebellum, posterior lobe** | 203 | 6.88 | 5.22 | -6 | -68 | -50 | |
| Left brainstem** | 46 | 4.28 | 3.47 | -4 | -18 | -42 | |
| Right brainstem** | 49 | 5.04 | 4.24 | 8 | -24 | -40 | |
| Segment 2/5 > Rest-block | Left pre-central gyrus*** | 229 | 9.52 | 6.31 | -44 | -14 | 34 |
| Right pre-central gyrus*** | 161 | 6.90 | 5.23 | 40 | -12 | 34 | |
| Left cerebellum, posterior lobe*** | 223 | 10.01 | 6.47 | -16 | -64 | -18 | |
| Left cerebellum, inferior semilunar lobule*** | 242 | 9.56 | 6.32 | -8 | -70 | -50 | |
| Right cerebellum, posterior lobe*** | 352 | 7.21 | 5.38 | 20 | -58 | -22 | |
| Anterior cingulate cortex*** | 182 | 9.62 | 6.40 | 8 | -24 | -40 | |
| Segment 3/5 > Rest-block | Left pre-central gyrus** | 165 | 6.89 | 5.23 | -46 | -14 | 36 |
| Right pre-central gyrus** | 169 | 6.61 | 5.09 | 42 | -10 | 34 | |
| Left cerebellum, posterior lobe*** | 231 | 7.98 | 5.72 | -10 | -68 | -46 | |
| Right cerebellum, posterior lobe*** | 1303 | 10.88 | 6.75 | 12 | -60 | -16 | |
| Right cerebellum, inferior semilunar lobule** | 182 | 6.92 | 5.24 | 12 | -68 | -46 | |
| Segment 4/5 > Rest-block | Left pre-central gyrus*** | 281 | 8.56 | 5.95 | -42 | -16 | 32 |
| Right pre-central gyrus*** | 199 | 8.02 | 5.73 | 46 | -14 | 40 | |
| Left cerebellum, posterior lobe*** | 234 | 8.91 | 6.08 | -6 | -68 | -50 | |
| Right anterior cingulate cortex*** | 307 | 5.48 | 4.48 | 6 | 22 | 2 | |
| Segment 5/5 > Rest-block | Left pre-central gyrus*** | 2184 | 12.26 | 7.15 | -50 | -12 | 44 |
| Right pre-central gyrus*** | 1535 | 13.50 | 7.46 | 46 | -10 | 34 | |
| Left cerebellum, posterior lobe*** | 1364 | 10.09 | 6.50 | -24 | -60 | -20 | |
| Right inferior parietal lobe** | 354 | 6.26 | 4.91 | 60 | -38 | 26 | |
| Right occipital pole* | 109 | 5.90 | 4.72 | 12 | -102 | -2 | |
| Right middle cingulate* | 110 | 5.80 | 4.66 | 8 | 10 | 44 | |
| Segment 1/5 > Segment 2/5 | Left pre-central gyrus** | 186 | 5.68 | 4.60 | -44 | -16 | 40 |
| Superior frontal gyrus (6) | 314 | 8.72 | 6.01 | 0 | -6 | 76 | |
| Left superior temporal gyrus*** | 964 | 8.75 | 6.02 | -40 | -34 | 16 | |
| Left superior temporal gyrus*** | 274 | 6.56 | 5.07 | -56 | 16 | -6 | |
| Right superior temporal gyrus** | 161 | 8.17 | 5.79 | 48 | 12 | -8 | |
| Right superior temporal gyrus (8)*** | 264 | 6.96 | 5.26 | 36 | 4 | -14 | |
| Left posterior insula* | 96 | 6.78 | 5.17 | -36 | -22 | -2 | |
| Left caudate | 249 | 6.76 | 5.16 | -14 | 22 | 0 | |
| Left putamen* | 98 | 6.10 | 4.83 | 32 | -18 | -2 | |
| Right amygdala** | 137 | 6.52 | 5.05 | 20 | 0 | -12 | |
| Right cingulate gyrus*** | 227 | 5.38 | 4342 | 2 | 8 | 44 | |
| Left precuneus, occipital and temporal lobes*** | 12436 | 9.87 | 6.43 | -4 | -42 | 4 | |
| Right cuneus* | 132 | 5.50 | 4.49 | 18 | -90 | 10 | |
| Left cerebellum, posterior lobe & tonsil* | 126 | 5.80 | 4.66 | -18 | -52 | -50 | |
| Brainstem** | 147 | 5.61 | 4.55 | -6 | -26 | -6 | |
| Segment 2/5 > Segment 3/5 | No significant results | ||||||
| Segment 3/5 > Segment 4/5 | Left posterior cingulate cortex | 178 | 5.10 | 4.25 | -14 | -62 | 6 |
| Right cuneus** | 146 | 5.01 | 4.20 | 2 | -78 | 30 | |
| Right superior temporal gyrus*** | 248 | 6.71 | 5.14 | 50 | -56 | 12 | |
| Right occipital lobe* | 97 | 6.46 | 5.01 | 16 | -88 | 10 | |
| Right cerebellum, anterior lobe*** | 254 | 6.79 | 5.18 | 28 | -50 | -22 | |
| Right cerebellum, posterior lobe*** | 279 | 5.39 | 4.43 | 12 | -62 | -14 | |
| Segment 4/5 > Segment 5/5 | Right anterior cingulate*** | 814 | 7.08 | 5.32 | 4 | 44 | 0 |
| Right posterior cingulate*** | 445 | 7.70 | 5.60 | 4 | -54 | 12 | |
*
p < 0.05, **p < 0.01, ***p < 0.001. Numbers in parentheses in the Anatomic Structure column refer to Brodmann’s areas. Cluster size is total voxels. t = t test score; z = z score. Coordinates are lateral (x), anteroposterior (y), and superior-inferior (z).