Above: Neurally Controlled Prosthetics

In less than 10 years, Darpa's Revolutionizing Prosthetics program has transformed artificial limbs. Prosthetic arms, like the DEKA model, are already wired to respond to toe movements. Next up? Arms that are fully integrated with a wearer's neural signals.

A collaboration led by Johns Hopkins researchers will start human trials on their Modular Prosthetic Limb this year. Micro-arrays are implanted into the brain, allowing a user to operate the prosthetic -- which includes 22-degrees of motion, independent finger movement and weighs only 9 pounds -- with their thoughts alone.

Photo: DEKA

Authors: Katie Drummond

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