This Paralyzed Man Is Using a Neuroprosthetic to Move His Arm for the First Time in Years

William Kochevar of Cleveland can slowly move his right arm and hand. No big deal—except that the 56-year-old had been paralyzed from the shoulders down since a bicycling accident ten years ago. The setup that is allowing Kochevar to move his arm again is a “neuroprosthetic” involving two tiny recording chips implanted in his motor cortex and another 36 electrodes embedded in his right arm.

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