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Table 2 Functional connectivity differences between treatment expectancy levels and interaction (GEA: genuine EA; SEA: sham EA; HE: high expectancy; LE: low expectancy; GH: GEA paired with HE; GL: GEA paired with LE; SH: SEA paired with HE; SL: SEA paired with LE)

From: Imaging the functional connectivity of the Periaqueductal Gray during genuine and sham electroacupuncture treatment

 

Region

Z score

Number of voxels in cluster

Peak coordinate

(x y z)

GEA > SEA

Left PCC

4.79

42

-6 -42 24

SEA > GEA

Right anterior insula/inferior frontal gyrus

3.94

62

33 27 -3

HE > LE

No region above the threshold

   

LE > HE

No region above the threshold

   

Interaction

Right superior parietal lobule

3.60

43

18 -51 57

GH > SH

No region above the threshold

   

SH > GH

No region above the threshold

   

GH > GL

Right inferior parietal lobule

4.32

36

39 -60 48

GL > GH

No region above the threshold

   

SH > SL

No region above the threshold

   

SL > SH

No region above the threshold

   

GL > SL

No region above the threshold

   

SL > GL

Right superior parietal lobule

4.20

47

21 -51 57

  1. Note: The threshold was set to voxel-wise p < 0.001 uncorrected with 20 continuous voxels. Peak coordinates refer to the MNI atlas