GPI and mental disorder: Although the work presented in this study is focused on targeting the Vim, the FAT1 image provides good contrast to noise ratio demarcating other thalamic nuclei (the anterior nucleus, the mediodorsal thalamus, the thalamic ventralis oralis complex nucleus, and the centromedian and parafascicularis nuclei) as well as other potential brain targets (e.g., the anterior limb of the internal capsule and the cingulate bundle in surgery for mental disorders; and the pallido-capsular border for targeting the Gpi, etc.;Figs. 2and3).