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Man controls new prosthetic leg using leg muscles

Thursday, 3 October, 2013

Though reported as ‘man controls prosthetic leg using thought’, the man is controlling the prosthetic leg using his thigh muscles, which he is controlling using the nerves that used to go to his lower leg and foot (but were surgically re-routed to the thigh). The prosthesis detects the electrical activity in the muscles, rather than the nerves themselves.

So it goes like this:

brain → spinal cord → motor nerve → thigh muscle → EMG in prosthetic limb → movement

Not even interfacing with the motor nerves directly, let alone any kind of a brain-computer interface. This is NOT a mind-controlled prosthetic, any more than any other prosthetic.

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