How the therapy works (VIDEO) Northwestern University This video is under embargo. Please login to access this video. Caption A simple animation shows how a single injection restores connections in the nervous system below the site of a severe spinal cord injury. Credit Samuel I. Stupp Laboratory/Mark Seniw/Northwestern University Usage Restrictions Credit Northwestern License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.