Alexander Niculescu, Indiana University (IMAGE) Indiana University Caption Dr. Alexander Niculescu and researchers in the Department of Psychiatry at Indiana University School of Medicine have developed a new blood test for PTSD. Credit Indiana University School of Medicine Usage Restrictions Please credit Indiana University School of Medicine 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.