Alysson Muotri (IMAGE) University of California - San Diego Caption The study was led by Alysson R. Muotri, PhD, professor in the Departments of Pediatrics and Cellular and Molecular Medicine at UC San Diego School of Medicine Credit UC San Diego Health Sciences Usage Restrictions Use photo credit License Original 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.