John Leddy, University at Buffalo (IMAGE) University at Buffalo Caption Leddy's research shows that some patients diagnosed with a concussion have actually suffered a neck injury. Treatment for the two conditions differs significantly. 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.