Abstract
Positron emission tomography (PET) is used to observe the cerebral function widely and is a good method to explore the mechanism of acupuncture treatment on the central nervous system. By using this method, we observed the cerebral function of 6 patients suffering from ischemic stroke after receiving electroacupunture (EA) treatment at Baihui (GV20) and right Qubin (GB7). The results were: (1) the glucose metabolism changed significantly on primary motor area (M1), premotor cortex (PMC), and superior parietal lobe (LPs) bilaterally, as well as the Supplementary Motor Area (SMA) on the unaffected hemisphere right after the first EA treatment. (2) Glucose metabolism on bilateralM1 and LPs changed significantly after three weeks of daily EA treatments. (3) Glucose metabolism on other areas such as insula, putamen and cerebellum changed significantly. It demonstrated that EA at Qubin and Baihui Could activate the cerebral structures related to motor function on the bilateral hemispheres. We concluded that EA was very helpful for the cerebral motor plasticity after the ischemic stroke. Also based on this study we assumed that the brain plasticity should be a network and that acupuncture participated in some sections of this course.
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