brain waves

Think tennis for yes, home for no: how doctors helped man in vegetative state
For seven years the man lay in a hospital bed, showing no signs of consciousness since sustaining a traumatic brain injury in a car accident. His doctors were ­convinced he was in a vegetative state. Until now.

To the astonishment of his ­medical team, the patient has been able to ­communicate with the outside world after scientists worked out, in effect, a way to read his thoughts.

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