Perfusion MRI Scan (IMAGE) Washington University School of Medicine Caption In this magnetic resonance imaging scan, the colored areas are brain regions that experienced changes in blood flow after patients received the investigational drug SYN115. Credit Washington University School of Medicine 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.