Statistical analysis
The clinical information of the subjects was evaluated using Statistical Software and Service Solutions 23.0 (SPSS 23.0). Sex differences between the two groups were assessed using the χ2 test. Age differences between the two groups were assessed using the two‐sample The smoothed fMRI data were arranged into ICA of the GIFT software (To further investigate the effects produced by EAS from acupoints GV24 and ST8 and eliminate the effects of placebo, we performed a full factorial test. This result was calculated by comparing the values of FC changes (Group 1 [after sham electrical current stimulation − before sham electrical current stimulation] − Group 2 [after verum electrical current stimulation ‐ before verum electrical current stimulation]). The 