Ipsilateral putamen and insula activation by both left and right GB34 acupuncture stimulation: An fMRI study on healthy participants
Publication year
2016Number of pages
9 p.
Source
Evidence-Based Complementary and Alternative Medicine, 2016, (2016), article 4173185ISSN
Publication type
Article / Letter to editor
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Organization
SW OZ DCC SMN
Journal title
Evidence-Based Complementary and Alternative Medicine
Volume
vol. 2016
Languages used
English (eng)
Subject
Biological psychology; DI-BCB_DCC_Theme 3: Plasticity and Memory; Biologische psychologieAbstract
The modulatory effects on the brain during right versus left side acupuncture stimulation of the same acupuncture point have been a subject of controversy. For clarification of this important methodological issue, the present study was designed to compare the blood oxygen level-dependent responses of acupuncture stimulation on the right versus left Yanglingquan (GB34). Twenty-two healthy subjects received right or left GB34 acupuncture. Our results show that acupuncture on the left GB34 induced neural responses in the left putamen, caudate body, insula, postcentral gyrus, claustrum, right and left thalamus, right middle frontal gyrus, hypothalamus, and subthalamic nucleus. Acupuncture on the right GB34 induced neural responses in the right middle frontal gyrus, inferior parietal lobule, thalamus, putamen, lateral globus pallidus, medial globus pallidus, and insula. Interestingly, the putamen and insula were ipsilaterally activated by acupuncture on either the left or right GB34; therefore, they seem to be the main target areas affected by GB34 acupuncture. This is the first reported functional magnetic resonance imaging study directly comparing needling on the right and left GB34. Although more replication studies are needed, our preliminary results prove that acupuncture has different modulatory effects on the brain when performed on the right versus left side.
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