Table 5 Cortical regions showing modulation of fMRI signal due to further important factors in multi-digit addition.
Predictor | Brain region (BA) | MNI (x, y, z) | Cluster size | z value | ||
|---|---|---|---|---|---|---|
Increasing decade sum* | RH posterior intraparietal sulcus (BA 7) | -24 | -70 | 48 | 88 | 5.05 |
| Â | LH posterior intraparietal sulcus (BA 7) | -30 | -64 | 53 | 100 | 4.64 |
| Â | LH horizontal intraparietal sulcus (BA 7) | -41 | -41 | 38 | 155 | 4.85 |
| Â | LH inferior frontal gyrus (BA 44) | -41 | 8 | 26 | 51 | 4.65 |
| Â | RH inferior frontal gyrus (BA 45) | 56 | 30 | 26 | 18 | 4.90 |
| Â | LH caudate nucleus | -15 | 0 | 19 | 17 | 4.40 |
| Â | RH caudate nucleus | 11 | 11 | -11 | 62 | 5.17 |
| Â | RH thalamus | 4 | -19 | 11 | 18 | 4.24 |
| Â | LH lentiform nucleus | -19 | 11 | -11 | 11 | 4.00 |
| Â | LH supplementary motor area (BA 6) | -4 | 19 | 45 | 62 | 5.07 |
| Â | RH middle frontal gyrus (BA 10) | 34 | 64 | 8 | 19 | 4.58 |
| Â | RH middle frontal gyrus (BA 6) | 30 | 8 | 60 | 42 | 4.63 |
| Â | LH middle frontal gyrus (BA 6) | -26 | -4 | 45 | 26 | 5.27 |
| Â | LH fusiform gyrus (BA 37) | -38 | -68 | -19 | 19 | 4.38 |
| Â | LH middle occipital gyrus (BA 18) | -26 | -98 | -4 | 871 | 5.75 |
Distractor type 10 | RH intraparietal sulcus (BA 7) | 45 | -56 | 49 | 15 | 3.63 |
Distractor type 2 | LH insula | -38 | -15 | 15 | 16 | 3.54 |
| Â | LH middle cingulate cortex (BA 23) | -8 | -11 | 34 | 10 | 3.95 |