Brain chips let a paralyzed man feel touch through a robotic arm

Nathan Copeland hasn’t been able to move his legs or hands since he broke his neck in a car accident more than a decade ago. But now that scientists have implanted four chips in his brain, Copeland can control a robotic arm with his mind and feel when someone touches its fingers. This is the first time that a neural implant has allowed a person to feel touch through a prosthetic by directly stimulating his brain.

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