Drawing of Ipsihand (IMAGE) Washington University School of Medicine Caption The Ipsihand detects electrical signals in the uninjured part of the brain (green), and opens and closes a plastic brace fitted onto the paralyzed hand (green). By doing so, it helps train the uninjured brain areas to take over functions previously performed by injured areas (red). Credit Matthew Holt/Sara Moser Usage Restrictions None License Licensed 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.