FIGURE 9 | (A) Thalamic homunculus superimposed over the thalamus in post mortem ultra–high-resolution images obtained at 7T. The green circle indicates the location of the ventral intermediate nucleus (Vim). (B) Fast gray matter acquisition T1 inversion recovery scan shows sharp demarcation between the IC (internal capsule) and thalamus, allowing adjustment of the target selection to avoid lesion spread into the IC. (C) Target coordinate selection during treatment planning using the anterior commissure–posterior commissure as standard references for localizing the target. (D) A successful lesion is created at the Vim, confirmed with a T2-weighted image obtained immediately after sonication with the ablative temperature.