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Three paraplegics have walked for the first time in years after being fitted with a revolutionary new device.
Electrically stimulating the patients' spinal cords helped them regain control of their legs after just one week.
Swiss researchers found surgically placing electrodes in the paralysed participants' backbones activated signals that told their brains to walk.
These signals are thought to have triggered the growth of new nerve connections in the spinal cord of the patients. Therefore, even after the electrodes were turned off, the patients were still able to walk up to a kilometre without tiring.