Table 3.

Brain regions and the corresponding peak locations of the significant clusters showing differences between the groups in the sensorimotor and frontoparietal network components

Brain region	Talairach coordinates ( x , y , z )			t -Score
Sensorimotor network
Patients vs. HP
Decreases in patients
R Primary sensorimotor cortex	50	−8	19	6.2
R Supplementary motor areas	6	−14	49	3.8
L Primary sensorimotor cortex	−36	−34	49	5.5
L Superior temporal gyrus	−60	−18	1	3.7
Increases in patients
L Insula	−44	2	5	4.9
NTSD specific
R Primary somatosensory cortex	54	−21	39	3.4
L Primary somatosensory cortex	−48	−18	35	3.1
TSD specific
R Primary sensorimotor cortex	40	−16	41	3.7
Frontoparietal network
Patients vs. HP
Decreases in patients
L Prefrontal cortex	−36	16	31	4.3
L Middle temporal gyrus	−46	−56	5	5.0
R Middle temporal gyrus	50	−58	−1	4.3
TSD specific
L Inferior parietal cortex	−24	−56	47	3.0

Note: HP, healthy volunteers; NTSD, nontask-specific dystonia; TSD, task-specific dystonia; L, left; R, right.