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Related Experiment Video

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Monitoring Acupuncture Effects on Human Brain by fMRI
09:55

Monitoring Acupuncture Effects on Human Brain by fMRI

Published on: April 8, 2010

Combining spatial and temporal information to explore function-guide action of acupuncture using fMRI.

Peng Liu1, Wei Qin, Yi Zhang

  • 1School of Sino-Dutch Biomedical and Information Engineering, Northeastern University, Shenyang, Liaoning, China.

Journal of Magnetic Resonance Imaging : JMRI
|June 27, 2009
PubMed
Summary

Electroacupuncture stimulation (EAS) at GB37 and KI8 acupoints elicits distinct brain response patterns, particularly in the posterior cingulate cortex and precuneus. These findings suggest acupoint-specific functional effects and offer methodological insights for future acupuncture research.

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Monitoring Acupuncture Effects on Human Brain by fMRI
09:55

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Concurrent EEG and Functional MRI Recording and Integration Analysis for Dynamic Cortical Activity Imaging
11:28

Concurrent EEG and Functional MRI Recording and Integration Analysis for Dynamic Cortical Activity Imaging

Published on: June 30, 2018

Area of Science:

  • Neuroscience
  • Integrative Medicine
  • Medical Imaging

Background:

  • Acupuncture is a traditional therapy with growing scientific interest.
  • Understanding the neurobiological underpinnings of acupuncture is crucial for its clinical application.
  • Electroacupuncture stimulation (EAS) offers a quantifiable method to study acupuncture's effects.

Purpose of the Study:

  • To investigate and compare the brain response patterns elicited by EAS at two distinct acupoints: GB37 (Guangming) and KI8 (Jiaoxin).
  • To identify specific spatial and temporal brain modulations associated with each acupoint.
  • To explore the functional connectivity changes within the default mode network (DMN) during EAS.

Main Methods:

  • Utilized a non-repeated event-related functional magnetic resonance imaging (fMRI) design with 28 healthy subjects.
  • Applied EAS to the GB37 or KI8 acupoints on the left leg.
  • Employed discrete cosine transform and functional connectivity analyses to compare brain activity before and after EAS.

Main Results:

  • Distinct spatial brain activation patterns were observed for EAS at GB37 versus KI8.
  • Overlapping brain regions modulated by both acupoints included the posterior cingulate cortex (PCC) and precuneus (pC).
  • Opposite modulation patterns within the DMN were identified, centered on the PCC/pC, revealing sustained effects specific to each acupoint.

Conclusions:

  • The spatial and temporal modulation patterns of sustained effects from GB37 and KI8 acupoints are distinct.
  • These differences may be attributed to the functional specificity of individual acupoints.
  • The study provides valuable methodological contributions for future acupuncture neuroimaging research.