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Does acupuncture work by re-mapping the brain?

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https://aeon.co/ideas/does-acupuncture-w...-the-brain

EXCERPT: [...] While most chronic-pain disorders lack such established, objective outcomes of disease, this is not true for carpal tunnel syndrome (CTS), a neuropathic pain disorder that can be validated by measuring electrical conduction across the median nerve, which passes through the wrist. Interestingly, the slowing of nerve conduction at the wrist does not occur in isolation – it’s not just the nerve in the wrist that’s affected in CTS. My own department’s research and others’ has clearly demonstrated that the brain, and particularly a part of the brain called the primary somatosensory cortex (S1), is re-mapped by CTS. Specifically, in functional magnetic resonance imaging (fMRI) brain scans, the representation of fingers innervated by the median nerve are blurred in S1.

We then showed that both real and placebo acupuncture improved CTS symptoms . Does this mean that acupuncture is a placebo? Maybe not. While symptom relief was the same immediately following therapy, real acupuncture was linked to long-term improvement while sham acupuncture was not. And better S1 re-mapping immediately following therapy was linked with better long-term symptom reduction. Thus, sham acupuncture might work through an alternative route, by modulating known placebo circuitry in the brain, while real acupuncture rewires brain regions such as S1, along with modulating local blood flow to the median nerve in the wrist....

MORE: https://aeon.co/ideas/does-acupuncture-w...-the-brain
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