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. 2020 Mar 13;14:205. doi: 10.3389/fnins.2020.00205

TABLE 2.

ALFF differentiation between PI and healthy participants; ALFF and FC changes with right precuneus after taVNS treatment.

Brain regions Side Talairach Number of t values
coordinates
voxels
x y z
PI > HC(Pre_ALFF)
Precuneus right 16 −56 40 71 10.0
Pre_ALFF > Post_ALFF
Precuneus right 6 −48 51 55 −4.3
Post_ALFF > Pre_ALFF
Middle occipital gyrus left −29 −76 15 77 4.4
Pre_FC > Post_FC
Angular right 57 −57 48 91 −3.4
Superior frontal gyrus right −27 66 18 37 −3.9
Middle frontal gyrus right 39 27 54 49 −3.7

ALFF, amplitude of low-frequency fluctuation; FC, functional connectivity; PI, primary insomnia; HC, healthy participants; Pre, before taVNS treatment; Post, after taVNS treatment.