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Table 5 The correlation between the different brain regions in sALFF and the VAS, duration among different times after triggering the pain in patients with CTN

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

Brain region

Side

Duration

VAS

baseline

triggering-5 s

triggering-30 min

baseline

triggering-5 s

triggering-30 min

r

P

r

P

r

P

r

P

r

P

r

P

Fusiform gyrus

R

-0.047

0.751

-0.005

0.970

-0.035

0.812

-0.138

0.351

0.025

0.867

0.008

0.956

Lingual gyrus

L

-0.011

0.942

-0.130

0.380

-0.285

0.049

-0.248

0.089

-0.179

0.224

-0.157

0.287

Lingual gyrus

R

-0.036

0.807

-0.107

0.470

-0.255

0.081

-0.257

0.078

-0.046

0.755

-0.041

0.781

Middle temporal gyrus

L

-0.068

0.645

-0.106

0.473

-0.184

0.210

-0.076

0.609

-0.007

0.964

-0.038

0.797

Cuneus

R

-0.029

0.847

-0.087

0.554

-0.130

0.378

-0.323

0.025

-0.209

0.154

-0.064

0.667

  1. dALFF Dynamic amplitude of low-frequency fluctuation, VAS Visual Analogue Scale, CTN Classical trigeminal neuralgia, L Left, R Right