Using Brain Signals To Move Prosthetic Limbs
Doctors can perform near miracles in reattaching severed limbs, but when these attempts fail, the options have been slim indeed, particularly for patients who lose a hand. Prosthetics researchers have tended to focus on the leg, because legs account for a vast majority of amputations, and because the leg’s relatively few muscles and bones and simple network of nerves make it an easier limb to mimic. For decades, hand and arm amputees got either a cosmetic arm with no functional use, a hook or pinchers, which can grab things but has limited flexibility....