Figure 1.

Identifying the target network patch using the tans_roi function

(A and B) Inputs for the function include the search space, sulcus map, and target functional network map (A). The search space is a binarized mask that constrains which elements of the target functional network are considered eligible targets for TMS. In this example, the search space is the lateral prefrontal cortex (green). The sulcus map (generated by Freesurfer) quantifies how far each vertex is from a hypothetical middle point between gyri and sulci (values > 0 indicate the vertex is closer to a gyrus and values < 0 indicate vertex is closer to a sulcus). The final output of the function is the largest patch of the target network after discarding all network vertices outside of the search space or in a sulcus (B).