Fig. 2. Standardized low-resolution brain electromagnetic tomography (sLORETA) images showing beta-2 current-source distribution (CSD) associated with pain improvement by non-invasive painless signaling therapy. The beta-2 CSD increment was in the right anterior cingulate gyrus and the right medial frontal area. The number of suprathreshold voxels was 12 (P < 0.05, two-tailed). The location of the maximal point of CSD changes was the right anterior cingulate gyrus (Brodmann’s area 32, Montreal Neurological Institute coordinates: x = 10, y = 25, z = 25).
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