Research Article

The Instant Effects of Continuous Transcutaneous Auricular Vagus Nerve Stimulation at Acupoints on the Functional Connectivity of Amygdala in Migraine without Aura: A Preliminary Study

Figure 5

Correlation analysis between migraine attacks and the functional connectivity (FC) of the left amygdala during taVNS. SMA: supplementary motor area; rsFC: resting-state FC; supp: superior. The FC between the left amygdala and the right SMA was correlated with the frequency ( and ) and the total time ( and ) of migraine attacks during the preceding four weeks.