Appendix 1—table 6. Brain regions showing higher activity for exploratory than exploitative choices (first GLM).
| Region | MNI coordinates | peak | cluster | ||
|---|---|---|---|---|---|
| x | y | z | z-value | extent (k) | |
| R/L intraparietal sulcus, R/L postcentral gyrus, R/L precuneus, L precentral gyrus | −48 | −33 | 52 | 10.45 | 15606 |
| R precentral gyrus | 26 | -8 | 50 | 9.32 | 2297 |
| R/L supplementary motor cortex, R/L dorsal anterior cingulate cortex |
8 | 12 | 45 | 8.47 | 2552 |
| R cerebellum/fusiform gyrus | 18 | −51 | −22 | 8.09 | 2574 |
| R middle frontal gyrus (FPC) | 39 | 34 | 28 | 7.56 | 1291 |
| R cerebellum | 24 | −57 | −54 | 7.35 | 128 |
| L precentral gyrus | −51 | 0 | 34 | 7.31 | 430 |
| L cerebellum, L fusiform gyrus | −40 | −54 | −32 | 7.28 | 1419 |
| L thalamus | −10 | −20 | 6 | 6.96 | 556 |
| R/L calcarine cortex | -8 | −74 | 14 | 6.90 | 1222 |
| R anterior insula | 36 | 20 | 3 | 6.87 | 511 |
| L anterior insula | −36 | 15 | 3 | 6.69 | 557 |
| R precentral gyrus | 51 | 8 | 24 | 6.49 | 434 |
| R thalamus | 10 | −18 | 8 | 6.32 | 331 |
| R cerebellum | 30 | −44 | −48 | 6.24 | 28 |
| L middle frontal gyrus (FPC) | −42 | 27 | 27 | 6.07 | 97 |
| R cerebellum | 14 | −62 | −45 | 5.88 | 61 |
| R pallidum | 15 | 6 | -4 | 5.83 | 25 |
| R calcarine cortex | 9 | −94 | 6 | 5.74 | 104 |
| vermis | 3 | −75 | −34 | 5.70 | 52 |
| R supramarginal gyrus | 51 | −42 | 28 | 5.69 | 46 |
| L middle frontal gyrus (FPC) | −30 | 46 | 15 | 5.67 | 47 |
| L pallidum | −10 | 6 | -4 | 5.64 | 51 |
| R anterior orbital gyrus | 24 | 54 | -9 | 5.60 | 33 |
| L posterior cingulate cortex | -3 | −32 | 26 | 5.51 | 21 |
| L caudate nucleus | −16 | −14 | 18 | 5.33 | 28 |
| R caudate nucleus | 12 | -8 | 16 | 5.24 | 16 |
| L lingual gyrus | −16 | −84 | −12 | 5.21 | 10 |
| R anterior cingulate cortex | 10 | 27 | 21 | 5.13 | 10 |
Note: Thresholded at p<0.05, FWE-corrected for whole-brain volume, with k ≥ 10 voxels; L: left; R: right.