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8 Paralyzed Patients Learn To Walk Again Using Virtual Reality

Published by Slashdot on Fri, 12 Aug 2016


An anonymous reader quotes a report from Gizmodo: In a new study published in Scientific Reports, eight patients paralyzed with spinal cord injuries exhibited partial restoration of muscle control and sensations in their lower limbs following an extensive training regimen with non-invasive brain-controlled robotics and a virtual reality system. Developed by Duke University neuroscience Miguel Nicolelis and colleagues, the system tapped into the patients' own brain activity to simulate full control of their legs, causing the injured parts of their spinal cord to re-engage. Brain-machine interfaces (BMIs) work by establishing direct communication between the brain and a computer, which then allows patients to control external devices with their thoughts, including prosthetic limbs or exoskeletons. Earlier this year, Nicolelis showed that it was possible for a monkey to control a wheelchair with its mind, though with an implanted brain chip. In the new experiment, the system non-invasively recorded hundreds of brain patterns emitted by the brain, collecting these motor commands from those signals, and then translating them into movements. During the year long experiment, Nicolelis and his team investigated the ways in which BMI-based training could influence the ability of paraplegics to walk using a brain-controlled exoskeleton. To augment this process, they turned to virtual reality, which assisted with visualization and mind-body awareness. While in a virtual reality environment, and when hooked up to the exoskeletons, the patients could see virtual representations of the own bodies, and even receive tactile feedback. Read more of this story at Slashdot.
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