Altered trends of local brain function in classical trigeminal neuralgia patients after a single trigger pain

BMC Medical Imaging

Table 2 The dynamic regional homogeneity difference in CTN patients after triggering pain

Brain region	Side	Peak MNI coordinates			Cluster size (voxels)	Peak intensity	F value	P value	Post hoc P value
Brain region	Side	X	Y	Z	Cluster size (voxels)	Peak intensity	F value	P value	Baseline vs. 5 s	Baseline vs. 30 min	5 s vs. 30 min
Midbrain		3	-30	-21	194	21.077	17.924	0.000	0.000	0.001	0.148
Putamen	R	21	-15	9	3396	46.034	56.782	0.000	0.000	0.103	0.000
ACC	R	6	42	18	200	14.702	11.111	0.000	0.032	0.000	0.001
Thalamus	L	-9	-12	6	157	17.481	19.008	0.000	0.000	0.936	0.000

CTN, Classical trigeminal neuralgia; MNI, Montreal Neurological Institute; Baseline, the rs-fMRI was performed before stimulating the trigger zone; 5 s, the rs-fMRI was performed within 5 s after stimulating the trigger zone; 30 min, the rs-fMRI was performed in the 30th minute after stimulating the trigger zone; ACC, anterior cingulate cortex; R, right; L, left

ISSN: 1471-2342