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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