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Abstract #2107

Altered Resting Cerebral Blood Flow in Adults Following Low-Frequency Electronic Acupuncture as Revealed by Perfusion Functional MRI

Ying Hao1, Yin Jiang2, Yue Zhang3, Cailian Cui4, Xiaoying Wang1,5, Jue Zhang1,3, Jing Fang1,3

1Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China, People's Republic of; 2Neuroscience Research Institute, Peking University , Beijing, China, People's Republic of; 3College of Engineering, Peking University, Beijing, China, People's Republic of; 4Neuroscience Research Institute, Peking University, Beijing, China, People's Republic of; 5Dept. of Radiology, Peking University First Hospital, Beijing, China, People's Republic of


This study determined the effect of a relatively long period (30min) of low-frequency electroacupuncture stimulation (EAS) on resting-state CBF utilizing arterial spin labeling (ASL) technique. We observed that blood flow significantly decreased within the ipsilateral IPL and dACC, as well as the contralateral IPFC and postcentral gyrus. The observation that the acupuncture did not significantly increase CBF within any brain region is contrary to previous reports using block-designed acupuncture assessed by functional MRI.