http://www.ncbi.nlm.nih.gov/pubmed/25741269 Front Hum Neurosci 2015; 9: 74 By Till Nierhaus 

Abstract

Acupuncture can be regarded as a complex somatosensory stimulation. Here, we evaluate whether the point locations chosen for a somatosensory stimulation with acupuncture needles differently change the brain activity in healthy volunteers. We used EEG, event-related fMRI, and resting-state functional connectivity fMRI to assess neural responses to standardized needle stimulation of the acupunctu...

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