the_newsbeagle writes: Many prior experiments that tried to restore function after a spinal cord injury have used electrical stimulation to replace the signals from the brain, essentially implanting a replacement nervous system. But a new project instead used electrical stimulation to encourage the natural nervous system to adapt to a severe injury. When researchers repeatedly jolted a rat's damaged spinal cord at the precise moment that it tried to move a paralyzed limb, its nervous system developed new neural pathways that detoured around the site of injury in the spine. Researchers don't think it grew new neurons, but think instead that new connections formed between surviving neurons.
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