Table 5.
MNI coordinates and statistics for brain regions in which task difficulty significantly decreased response (Random < Ordered, collapsed across all other conditions). Regions grouped by contiguous clusters. Z scores drawn from local maxima. Peak p was < 0.001 for all clusters.
| Brain Area | Hemisphere | Brodmann Area | z score | x,y,z (mm) | Cluster Size (# of Voxels) |
|---|---|---|---|---|---|
| subgenual cingulate | L | 25 | 5.81 | -3, 11, -11 | 361 |
| medial frontal gyrus | R | 10 | 4.49 | 9, 38, -8 | |
| anterior cingulate | L | 32 | 4.11 | -6, 35, -5 | |
| precuneus | R | 31 | 5.18 | 15, -58, 19 | 1078 |
| parahippocampal gyrus | R | 30 | 4.74 | 12, -49, 4 | |
| parahippocampal gyrus | R | 36 | 4.73 | 30, -34, -14 | |
| fusiform gyrus | L | 20 | 4.54 | -30, -34, -17 | 147 |
| uncus | L | 28 | 3.44 | -18, -7, -23 | |
| cerebellum | L | 2.53 | -39, -46, -20 | ||
| angular gyrus | R | 39 | 4.09 | 45, -73, 31 | 74 |
| parahippocampal gyrus | R | 4.03 | 27, -10, -23 | 66 | |
| uncus | R | 28 | 3.53 | 15, -7, -26 | |
| precentral gyrus | R | 4 | 3.92 | 63, -1, 16 | 90 |
| insula | R | 13 | 2.49 | 39, -10, 16 | |
| precentral gyrus | R | 4 | 3.77 | 48, -13, 58 | 316 |
| postcentral gyrus | R | 3 | 3.63 | 57, -13, 49 |