Proof of principle
Scientists have been trying to use brain stimulation to treat patients with severe brain damage since the 1960s, but until now no-one has had any convincing evidence that it works.
'There are many important differences with our research,' explains Nicholas Schiff from Weill Cornell Medical College. 'The most important is that previous work focused on patients in a vegetative state, with no evidence of any consciousness. Our patient was in a "minimally conscious" state, not a coma or a vegetative state.'
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