Fig. 4

Topographic maps of LRs. a A topography of diverse estimates of the reward probability based on different LRs exists in the ROIs. Bright yellow and white colors indicate voxels with high LRs while darker, redder voxels indicate voxels with lower LRs. The color bar on the left indicates the set of LRs (high LRs at top, low LRs at bottom) chosen in 30 steps to minimize correlation between regressors in LR space (see also Fig. 2d). b . Spatial gradient along the rostrocaudal axis in dACC in two example subjects. Each voxel’s best-fitting LR is plotted against its position on the y-coordinate. Note that the color of the dots reflects the number of voxels having a given combination of values (see color bars beneath graph). Red lines: regression of all voxels’ best-fitting LR against their y-coordinate