Table 3.
Cortical regions showing modulation of fMRI signal due to the effect of a carry operation or increasing unit sum.
| Predictor | Brain region (BA) | MNI (x, y, z) | Cluster size | z value | ||
|---|---|---|---|---|---|---|
| Carry | LH caudate nucleus | -19 | -15 | 19 | 11 | 3.25 |
| LH inferior frontal gyrus (BA 44) | -45 | 4 | 26 | 14 | 3.67 | |
| LH middle frontal gyrus (BA 6) | -26 | 8 | 60 | 13 | 3.57 | |
| RH calcarine gyrus (BA 17) | 15 | -83 | 8 | 20 | 4.44 | |
| LH middle occipital gyrus (BA 18) | -30 | -83 | 38 | 27 | 3.45 | |
| Increasing unit sum | RH posterior intraparietal sulcus (BA 7) | 19 | -68 | 56 | 15 | 3.93 |
| LH posterior intraparietal sulcus (BA 7) | -30 | -71 | 53 | 20 | 3.53 | |
| LH intraparietal sulcus (BA 7) | -34 | -45 | 49 | 26 | 3.85 | |
| RH intraparietal sulcus (BA 7) | 41 | -41 | 53 | 15 | 3.61 | |
| LH precuneus (BA 7) | -4 | -71 | 56 | 66 | 3.66 | |
| LH fusiform gyrus (BA 37) | -49 | -53 | -23 | 14 | 4.35 | |
| LH fusiform gyrus (BA 19) | -38 | -71 | -15 | 23 | 3.62 | |
| LH inferior frontal gyrus (BA 44) | -56 | 11 | 11 | 26 | 3.94 | |
| RH inferior frontal gyrus (BA 45) | 53 | 34 | 19 | 11 | 3.69 | |
| LH middle frontal gyrus (BA 9) | -53 | 11 | 38 | 76 | 3.92 | |
| LH thalamus | -4 | -11 | 11 | 13 | 4.01 | |
| LH supplementary motor area (BA 6) | 0 | 19 | 45 | 44 | 4.07 | |
| LH supplementary motor area (BA 6) | 0 | 11 | 68 | 19 | 3.72 | |
| LH anterior cingulate gyrus (BA 32) | -19 | 38 | 11 | 11 | 4.12 | |
| RH middle frontal gyrus (BA 6) | 26 | 8 | 49 | 29 | 3.48 | |
| LH superior frontal gyrus (BA 6) | -26 | 4 | 56 | 19 | 3.22 | |
| LH middle occipital gyrus (BA 18) | -26 | -98 | 15 | 23 | 3.66 | |
| RH inferior occipital gyrus (BA 19) | 45 | -71 | -11 | 14 | 3.89 | |
p < .005, uncorrected; cluster size = 10 voxels; MNI: Montreal Neurological Institute coordinates.