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Table 2 Regions with static amplitudes of low-frequency fluctuations in patients with CTN

From: Amplitude of low-frequency fluctuation after a single-trigger pain in patients with classical trigeminal neuralgia

Brain region

Side

Peak MNI coordinates

Cluster size

(voxels)

Peak intensity

F value

P value

Post hoc P value

X

Y

Z

Baseline vs 5 s

Baseline vs 30 min

5 s vs 30 min

Superior temporal gyrus

L

–60

–3

–15

51

12.803

40.425

0.000

0.000

0.000

0.915

Middle temporal gyrus

R

42

–33

–6

82

22.348

48.346

0.000

0.000

0.000

0.038

Middle occipital gyrus

L

–42

–72

9

121

23.398

26.863

0.000

0.000

0.000

0.114

Thalamus

R

27

–12

9

59

16.632

20.324

0.000

0.000

0.049

0.003

Middle occipital gyrus

R

36

–87

–3

146

15.357

17.979

0.000

0.179

0.000

0.000

cuneus

R

–6

–84

27

1334

25.222

17.062

0.000

0.550

0.000

0.000

Posterior cingulate cortex

L

–9

–45

27

148

17.867

20.956

0.000

0.000

0.000

0.913

Superior frontal gyrus

L

–6

24

60

137

15.193

15.867

0.000

0.001

0.000

0.000

Superior frontal gyrus

R

18

3

69

72

17.820

25.028

0.000

0.000

0.000

0.004

  1. 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
  2. CTN Classical trigeminal neuralgia, L Left, R Right, MNI Montreal Neurological Institute