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Article: Post-stimulation effect of electroacupuncture at Yintang (EX-HN3) and GV20 on cerebral functional regions in healthy volunteers: A resting functional MRI study

TitlePost-stimulation effect of electroacupuncture at Yintang (EX-HN3) and GV20 on cerebral functional regions in healthy volunteers: A resting functional MRI study
Authors
Issue Date2012
PublisherBMJ Group. The Journal's web site is located at http://aim.bmj.com
Citation
Acupuncture In Medicine, 2012, v. 30 n. 4, p. 307-315 How to Cite?
AbstractObjective: The aim of the present work was to observe the activation/deactivation of cerebral functional regions after electroacupuncture (EA) at Yintang (EX-HN3) and GV20 by functional MRI (fMRI). Design: A total of 12 healthy volunteers were stimulated by EA at Yintang and GV20 for 30 min. Resting-state fMRI scans were performed before EA, and at 5 and 15 min after needle removal. Statistical parametric mapping was used to preprocess initial data, and regional homogeneity (ReHo) and amplitude of low-frequency fluctuation (ALFF) were analysed. Results: ReHo at 5 min post stimulation showed increases in the left temporal lobe and cerebellum and decreases in the left parietal lobe, occipital lobe and right precuneus. At 15 min post stimulation, ReHo showed increases in the left fusiform gyrus; lingual gyrus; middle temporal gyrus; postcentral gyrus; limbic lobe; cingulate gyrus; paracentral lobule; cerebellum, posterior lobe, declive; right cuneus and cerebellum, anterior lobe, culmen. It also showed decreases in the left frontal lobe, parietal lobe, right temporal lobe, frontal lobe, parietal lobe and right cingulate gyrus. ALFF at 5 min post stimulation showed increases in the right temporal lobe, but decreases in the right limbic lobe and posterior cingulate gyrus. At 15 min post stimulation ALFF showed increases in the left frontal lobe, parietal lobe, occipital lobe, right temporal lobe, parietal lobe, occipital lobe and cerebellum, but decreases in the left frontal lobe, anterior cingulate gyrus, right frontal lobe and posterior cingulate gyrus. Conclusions: After EA stimulation at Yintang and GV20, which are associated with psychiatric disorder treatments, changes were localised in the frontal lobe, cingulate gyrus and cerebellum. Changes were higher in number and intensity at 15 min than at 5 min after needle removal, demonstrating lasting and strong after-effects of EA on cerebral functional regions. Copyright 2012 by British Medical Journal Publishing Group.
Persistent Identifierhttp://hdl.handle.net/10722/179466
ISSN
2015 Impact Factor: 1.592
2015 SCImago Journal Rankings: 0.582
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZheng, Yen_US
dc.contributor.authorQu, Sen_US
dc.contributor.authorWang, Nen_US
dc.contributor.authorLiu, Len_US
dc.contributor.authorZhang, Gen_US
dc.contributor.authorJiang, Xen_US
dc.contributor.authorChen, Jen_US
dc.contributor.authorHuang, Yen_US
dc.contributor.authorZhang, Zen_US
dc.date.accessioned2012-12-19T09:56:50Z-
dc.date.available2012-12-19T09:56:50Z-
dc.date.issued2012en_US
dc.identifier.citationAcupuncture In Medicine, 2012, v. 30 n. 4, p. 307-315en_US
dc.identifier.issn0964-5284en_US
dc.identifier.urihttp://hdl.handle.net/10722/179466-
dc.description.abstractObjective: The aim of the present work was to observe the activation/deactivation of cerebral functional regions after electroacupuncture (EA) at Yintang (EX-HN3) and GV20 by functional MRI (fMRI). Design: A total of 12 healthy volunteers were stimulated by EA at Yintang and GV20 for 30 min. Resting-state fMRI scans were performed before EA, and at 5 and 15 min after needle removal. Statistical parametric mapping was used to preprocess initial data, and regional homogeneity (ReHo) and amplitude of low-frequency fluctuation (ALFF) were analysed. Results: ReHo at 5 min post stimulation showed increases in the left temporal lobe and cerebellum and decreases in the left parietal lobe, occipital lobe and right precuneus. At 15 min post stimulation, ReHo showed increases in the left fusiform gyrus; lingual gyrus; middle temporal gyrus; postcentral gyrus; limbic lobe; cingulate gyrus; paracentral lobule; cerebellum, posterior lobe, declive; right cuneus and cerebellum, anterior lobe, culmen. It also showed decreases in the left frontal lobe, parietal lobe, right temporal lobe, frontal lobe, parietal lobe and right cingulate gyrus. ALFF at 5 min post stimulation showed increases in the right temporal lobe, but decreases in the right limbic lobe and posterior cingulate gyrus. At 15 min post stimulation ALFF showed increases in the left frontal lobe, parietal lobe, occipital lobe, right temporal lobe, parietal lobe, occipital lobe and cerebellum, but decreases in the left frontal lobe, anterior cingulate gyrus, right frontal lobe and posterior cingulate gyrus. Conclusions: After EA stimulation at Yintang and GV20, which are associated with psychiatric disorder treatments, changes were localised in the frontal lobe, cingulate gyrus and cerebellum. Changes were higher in number and intensity at 15 min than at 5 min after needle removal, demonstrating lasting and strong after-effects of EA on cerebral functional regions. Copyright 2012 by British Medical Journal Publishing Group.en_US
dc.languageengen_US
dc.publisherBMJ Group. The Journal's web site is located at http://aim.bmj.com-
dc.relation.ispartofAcupuncture in Medicineen_US
dc.rightsAcupuncture In Medicine. Copyright © BMJ Group-
dc.titlePost-stimulation effect of electroacupuncture at Yintang (EX-HN3) and GV20 on cerebral functional regions in healthy volunteers: A resting functional MRI studyen_US
dc.typeArticleen_US
dc.identifier.emailZhang, Z: zhangzj@hkucc.hku.hken_US
dc.identifier.authorityZhang, Z=rp01297en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1136/acupmed-2011-010123en_US
dc.identifier.pmid22982941-
dc.identifier.scopuseid_2-s2.0-84873711206en_US
dc.identifier.hkuros216756-
dc.identifier.isiWOS:000312364800010-
dc.identifier.scopusauthoridZheng, Y=55357335800en_US
dc.identifier.scopusauthoridQu, S=55024967400en_US
dc.identifier.scopusauthoridWang, N=55357487300en_US
dc.identifier.scopusauthoridLiu, L=55357849000en_US
dc.identifier.scopusauthoridZhang, G=55357915200en_US
dc.identifier.scopusauthoridJiang, X=55357665200en_US
dc.identifier.scopusauthoridChen, J=23472105200en_US
dc.identifier.scopusauthoridHuang, Y=7501577756en_US
dc.identifier.scopusauthoridZhang, Z=8061473900en_US

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