期刊
NEUROIMAGE
卷 14, 期 1, 页码 60-66出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1006/nimg.2001.0798
关键词
acupuncture; positron emission tomography; anterior cingulus; insulae; cerebellum; superior frontal gyrus; medial frontal gyrus; inferior frontal gyrus; pain; human
Acupuncture is largely used for pain control in several pathological conditions. Its effects on the central nervous system are not well defined. We investigated the effect of the application of acupuncture to 13 normal subjects (males, 21-32 years). (H2O)-O-15 bolus PET scans were read before the application of the needles (Rest, R) and after 25 min of needle insertion. Data were acquired by scanning in 3-D mode. The acupuncture application, true acupuncture (TA), was alternated to a placebo needle application (PA) in two:different sequences (seven and six subjects, respectively), either R,PA,R, TA or R,TA,R,PA, a period of 15 min being left after every first TA or PA to allow for the recovery of basal conditions. Here we show that classic acupuncture activates the left Anterior Cingulus, the Insulae bilaterally, the Cerebellum bilaterally, the left Superior Frontal Gyrus, and the right Medial and Inferior Frontal Gyri. Most of the activated areas are shared with areas activated in acute and chronic pain states as described in the literature. Thus acupuncture appears to act by activating areas also involved in pain. This indicates that acupuncture could relief pain by unbalancing the equilibrium of distributed pain-related central networks. (C) 2001 Academic Press.
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