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Changes of Regional Homogeneity and Amplitude of Low Frequency Fluctuation on Resting-State Induced by Acupuncture
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  • Journal title : Korean Journal of Acupuncture
  • Volume 30, Issue 3,  2013, pp.161-170
  • Publisher : Society for Meridian and Acupoint
  • DOI : 10.14406/acu.2013.30.3.161
 Title & Authors
Changes of Regional Homogeneity and Amplitude of Low Frequency Fluctuation on Resting-State Induced by Acupuncture
Yeo, Sujung;
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Objectives : Our study aimed to investigate the sustained effects of sham (SHAM) and verum acupuncture (ACUP) into the post-stimulus resting state. Methods : In contrast to previous studies, in order to define the changes in resting state induced by acupuncture, changes were evaluated with a multi-method approach by using regional homogeneity (ReHo) and amplitude of low frequency fluctuation (ALFF). Twelve healthy participants received SHAM and ACUP stimulation right GB34 (Yanglingquan) and the neural changes between post- and pre-stimulation were detected. Results : The following results were found; in both ReHo and ALFF, the significant foci of; left and right middle frontal gyrus, left medial frontal gyrus, left superior frontal gyrus, and right posterior cingulate cortex, areas that are known as a default mode network, showed increased connectivity. In addition, in ReHo, but not in ALFF, brain activation changes in the insula, anterior cingulate cortex, and the thalamus, which are associated with acupuncture pain modulation, were found. Conclusions : In this study, results obtained by using ReHo and ALFF, showed that acupuncture can modulate the post-stimulus resting state and that ReHo, but not ALFF, can also detect the neural changes that were induced by the acupuncture stimulations. Although more future studies with ReHo and ALFF will be needed before any firm conclusions can be drawn, our study shows that particularly ReHo could be an interesting method for future clinical neuroimaging studies on acupuncture.
fMRI;Regional homogeneity;Amplitude of low frequency fluctuation;Acupuncture;Rest;Post effect;
 Cited by
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