
Most vegetative state patients show no signs of brain activity
British scientists said they could communicate with a patient who has not shown any sign of outward consciousness for five years.
They used a new brain scanning technique to 'talk' to the 29 year old Belgian man who damaged his brain in a car accident and has been classified as being in a vegetative state.
The patient was able to communicate "yes" and "no" using just his thoughts during a research conducted by a team from Cambridge University.
The study was published in the New England Journal of Medicine.
Dr Adrian Owen, who led the team, said this is a rare case.
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The research raises many ethical issues including whether or not to allow patients in a permanent vegetative state to die by withdrawing all treatment.
Dr Ranaan Gillon is professor of medical ethics at Imperial College in London.
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Someone who knows how it feels to be awake, but unable to communicate, is the Daily Telegraph's Jeffrey Lean.
The journalist was in a coma for a month after an operation went wrong.
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First broadcast 4 February 2010
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