Karen Nolan, PhD (IMAGE) Kessler Foundation Caption Dr. Nolan, principal investigator for the Kessler Foundation site for the ReStore clinical trial, is senior research scientist in the Center for Mobility and Rehabilitation Engineering Research at Kessler Foundation. Credit Dr. Karen Nolan 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.