Muotri (IMAGE) University of California - San Diego Caption Alysson Muotri, PhD, professor in departments of Pediatrics and Cellular and Molecular at UC San Diego School of Medicine, holds a tray of stem cell-derived human brain organoids. Credit Erik Jepsen, UC San Diego 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.