James Sumowski, Ph.D., Kessler Foundation (image) Kessler Foundation Caption Dr. Sumowski is a research scientist in Neuropsychology & Neuroscience Research at Kessler Foundation. He specializes in cognitive rehabilitation research in multiple sclerosis and traumatic brain injury. Credit Kessler Foundation Usage Restrictions Credit: Kessler Foundation 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.