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The limbic-prefrontal network modulated by electroacupuncture at CV4 and CV12
Authors
Jiliang Fang
Yang Hong
+10 more
Baoyan Liu
Hesheng Liu
Jun Liu
Ming Song
Lei Wang
Xiaoling Wang
Yin Wang
Chao Xue
Kehua Zhou
Bing Zhu
Publication date
3 February 2012
Publisher
Daemen Digital Commons
Abstract
fMRI studies showed that acupuncture could induce hemodynamic changes in brain networks. Many of these studies focused on whether specific acupoints could activate specific brain regions and were often limited to manual acupuncture at acupoints on the limbs. In this fMRI study, we investigated acupuncture\u27s modulation effects on brain functional networks by electroacupuncture (EA) at acupoints on the midline of abdomen. Acupoints Guanyuan (CV4) and Zhongwan (CV12) were stimulated in 21 healthy volunteers. The needling sensations, brain activation, and functional connectivity were studied. We found that the limbic-prefrontal functional network was deactivated by EA at CV4 and CV12. More importantly, the local functional connectivity was significantly changed during EA stimulation, and the change persisted during the period after the stimulation. Although minor differences existed, both acupoints similarly modulated the limbic-prefrontal functional network, which is overlapped with the functional circuits associated with emotional and cognitive regulation. Copyright © 2012 Jiliang Fang et al
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Last time updated on 21/02/2021