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Acupuncture shown to work on brain in pain relief says BBC2 programme

BBC2’s programme “Alternative Health” showed researchers carrying out brain scans on people having acupuncture. The BBC2 show also featured heart surgery done using acupuncture instead of a general anaesthetic. The patient is conscious during the operation in China, but she was given sedatives and a local anaesthetic.

In Alternative Medicine: The Evidence, volunteers were subjected to deep needling, which involves needles being inserted 1cm into the back of the hand at well-known acupuncture points.

A control group underwent superficial needling with needles placed only 1mm in.

The needles are then twiddled until the participants feel a dull, achy or tingling sensation. For those in the deep needling group this stimulates the nervous system.

During these two procedures, the volunteers underwent brain scans to see what, if any, effect there was in the brain.

The team, including leading scientists from University College London, Southampton University and the University of York, found the superficial needling resulted in activation of the motor areas of the cortex, a normal reaction to pain.

But with deep needling, the limbic system, part of the pain matrix, is deactivated.

The finding was surprising because experts had always assumed acupuncture activates the brain in someway.

Professor Kathy Sykes said: “The pain matrix is involved in the perception of pain – it helps someone decide whether something is painful or not, so it could be that acupuncture in some ways changes a person’s pain perception.

“We have found something quite unexpected – that acupuncture is having a measurable effect on the human brain.

“We are not suggesting that it should be used during surgery, although it is in China, but just that it acts as a pain relief and should be taken seriously.”

http://news.bbc.co.uk/1/hi/health/4631930.stm

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