Remember that spinal implant that helped a paraplegic man walk (albeit in a harness) back in 2011? Its now been tested on three more partially paralyzed patients — and its working. The original device was a 16-electrode array that emitted small pulses of electricity to the spine, simulating the brains natural impulses. With intensive therapy and training patients have been able to regain limited control over their paralyzed extremities.
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