Fig. 5: Searchlight-based overlap in gaze-dependent brain activity between viewing and recall.

We centered a sphere with a radius of 3 voxels on each voxel to select a local multi-voxel pattern, which was then compared across viewing and recall using Pearson correlation. The multi-voxel patterns themselves were derived from a univariate analysis using eye-movement amplitude as a predictor. The searchlight procedure was repeated for all voxels of the brain. The resulting correlation was assigned to the center voxel, and the final map was thresholded at r = ±0.3 before inflating it to the FSaverage surface. Note that this searchlight analysis was computed using unthresholded, volumetric versions of the maps shown in Fig. 4B, C (see Fig. S5). It captures local pattern similarity between tasks, not the magnitude of activation in either task alone, which is why regions with low signal in the gaze-dependent activity maps can still show high pattern similarity.