“The participant regained the ability to walk with crutches overground even when the BSI was switched off.”
The implant reads cortical signals and drives epidural stimulation of the spinal cord. It calibrates in minutes and stayed reliable for a year, including at home. The participant had chronic tetraplegia and now stands, walks and climbs stairs. The sample size is one. The buried result is the rehab gain that held with the device turned off.