Each year, around 1.7 million Americans suffer from a traumatic brain injury (TBI). Of those, 275, 000 are hospitalized for serious injuries, such as a coma. Unfortunately, not all of these treated patients will survive. Others may be stuck in a vegetative state for much – if not all – of their lives. A new device, which was recently used to stimulate the brain of a comatose patient in California, [...]