Chip Implanted in Brain Helps Paralyzed Man

Five years ago, a college freshman named Ian Burkhart dived into a wave at a beach off the Outer Banks in North Carolina and, in a freakish accident, broke his neck on the sandy floor, permanently losing the feeling in his hands and legs. Doctors have reported that Mr. Burkhart, 24, had regained control of his right hand and fingers, using technology that transmits his thoughts directly to his hand muscles and bypasses his spinal injury.

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