TABLE 3.

THOMAS accurately identifies manually segmented Vim in individual ET patients

Thalamic nucleus	Dice	VSI
AV	0.63 ± 0.17	0.71 ± 0.17
VA	0.60 ± 0.09	0.93 ± 0.03
VLa	0.51 ± 0.10	0.71 ± 0.16
VLp overall	0.76 ± 0.04	0.88 ± 0.05
VLp dorsal	0.79 ± 0.05	0.93 ± 0.06
Vim (VLp ventral)	0.67 ± 0.07	0.80 ± 0.06
VPL	0.58 ± 0.12	0.88 ± 0.09
MD‐Pf	0.82 ± 0.03	0.93 ± 0.04
CM	0.62 ± 0.17	0.90 ± 0.08
Pulvinar	0.83 ± 0.03	0.94 ± 0.04
Habenula	0.72 ± 0.10	0.90 ± 0.07
MGN	0.60 ± 0.09	0.80 ± 0.13
LGN	0.56 ± 0.16	0.81 ± 0.14
MTT	0.60 ± 0.16	0.87 ± 0.10

Note: Group means and standard deviations of overlap, as quantified by Dice and VSI, were computed between THOMAS and manual segmentations of the Vim and other thalamic structures using 7T WMnMPRAGE images (except for Patient C, for whom 3T WMnMPRAGE images were used). Thalamic nuclei abbreviations defined in Figure 1.