This paralyzed man can feel his fingers, Thanks to Mind-Controlled Robotic Arm
A paralyzed man has become the first to have a “natural” sense of touch restored, using a mind-controlled robotic arm.
Nathan Copeland, a 28-year old American, 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.
The hand, developed by US scientists, was surgically wired directly to Copeland’s brain, providing him with a two-way electrical feedback. Despite the signals coming from a robotic hand, Copeland said the sensation of having his fingers touched was “almost natural”.
“I can feel just about every finger, it’s a really weird sensation,” said Copeland. “Sometimes it feels electrical and sometimes its pressure, but for the most part, I can tell most of the fingers with definite precision. It feels like my fingers are getting touched or pushed.”
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