Study: Brain implant lets paralyzed man regain use of hand

In this March 2016 photo provided by Ohio State University, Ian Burkhart plays a guitar video game as part of a study with neural bypass technology at The Ohio State University Wexner Medical Center in Columbus. A computer chip in Burkhart's brain reads his thoughts, decodes them, then sends signals to a sleeve on his arm, that allows him to move his hand. (Clark Powell/Ohio State University Wexner Medical Center via AP)

NEW YORK (AP) — A 24-year-old man paralyzed by a spinal cord injury has regained some use of his right hand, controlling it with signals relayed from electronic sensors in his brain.

In a study released Wednesday by the journal Nature, researchers say the man can grasp a bottle, pour its contents into a jar, pick up a stick and stir the liquid. He can grab a credit card and swipe it through a reader. He can also move individual fingers.

Signals from the brain implant are interpreted by a computer, which then stimulates the man’s hand muscles by using electrodes strapped to his forearm. Researchers say they hope that someday, an improved version of the system may also help people with traumatic brain injury or stroke.

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