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Vegetative state patients can respond to questions

Scientists have been able to reach into the mind of a brain-damaged man and communicate with his thoughts.The research, carried out at in the UK and in Belgium, involved a new brain scanning method. Awareness was detected in three other patients previously diagnosed as being in a vegetative state. The study in the New England Journal of Medicine shows that scans can detect signs of awareness in patients thought to be closed off from the world.Patients in a vegetative state are awake, not in a coma, but have no awareness because of severe brain damage.

Further details are available on the bbc website see  http://news.bbc.co.uk/1/hi/health/8497148.stm. You can also see the full article on the New England Journal of Medicine website http://content.nejm.org/cgi/content/full/NEJMoa0905370.