And we acquired from clinical trial that when irritate Hegu acupoint, it stimulated not only the hand-region of archi-somatosensory cortex, but also the face-region.
临床实验则表明，刺激合谷穴时，除了引起对侧第一躯体感觉皮质的手代表区兴奋，还引起面部代表区兴奋。
OBJECTIVE: EEG data in response to magnetic stimulation at Hegu (LI4) acupoint were measured to determine whether magnetic acupoint stimulation might modulate cortex function or not.
目的：利用诱发电位来研究磁刺激合谷穴对大脑皮质功能区的影响，探讨磁刺激穴位镇痛机制。
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