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April 26, 2011 02:59 pm EDT
Original Link: http://www.engadget.com/2011/04/26/researchers-take-one-step-closer-to-neural-controlled-bionic-leg/
Researchers take one step closer to neural-controlled bionic legs for safer mobility
We've seen our fair share of prosthetic arms and computer interfaces operated with little more than the firing of a synapse, but legs? They're a different story: balancing and propelling a sack of (mostly) flesh and bone is a much more complicated task than simply picking up a sandwich. Thankfully, the Rehabilitation Institute of Chicago's Center for Bionic Medicine is now one step closer to thought-controlled lower-limb prosthetics. As pictured here, the researchers' early simulations showed that amputees could control a virtual knee and ankle with 91-percent accuracy, by way of pattern recognition software to interpret electrical signals delivered through nine different muscles in the thigh -- patients think about moving, thus lighting up the nerves in varying patterns to indicate different motions. The ultimate goal is to hook up bionic legs through the same way, which would offer a greater range of motion than existing prosthetics, making tasks like walking up and down stairs safer. Now all we need is a quadruple amputee willing to pick up a badge and slap on an eye-tracking microdisplay.Researchers take one step closer to neural-controlled bionic legs for safer mobility originally appeared on Engadget on Tue, 26 Apr 2011 10:59:00 EDT. Please see our terms for use of feeds.
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