A pair of implants forming a digital bridge between the brain and the spinal cord has enabled a 'test pilot' patient to better stand and walk again, showing promise for an innovation that could one day transform the lives of individuals with paralysis.
Led by researchers from the Swiss Federal Institute of Technology Lausanne , the investigation involved a 40-year-old man named Gert-Jan, who had been paralyzed by a biking accident over a decade ago.some ability to walk with the help of a front-wheel walker. For the three years before enrolling in the latest test though, he had reached a"neurological recovery plateau".
The implants seemed to not only restore some of the damaged connectivity in Gert-Jan's central nervous system the more they were used: after a year of working with the implants, and undergoing physical therapy, his walking ability had improved to the point he could walk with crutches even when the devices were turned off.
"We have created a wireless interface between the brain and the spinal cord using brain-computer interface technology that transforms thought into action," says EPFL neuroscientist Grégoire Courtine.Over the course of 12 months, the digital bridge implants were shown to help Gert-Jan walk and stand more naturally, without the extra wearable motion sensors used in previously tested technologies to detect and stimulate movement.
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