UB Concussion Study (IMAGE) University at Buffalo Caption John J. Leddy, MD, director of UB's Concussion Management Clinic, examines a patient who sustained a concussion. Recovery in the study was rigorously defined requiring agreement among three independent criteria, including a normal physical exam by doctors blinded as to which group each patient had been assigned. Credit Douglas Levere/University at Buffalo 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.