Di Wu, Indiana University (IMAGE) Indiana University Caption IU Ph.D. student Di Wu directs a volunteer as she touches images on a screen using a device designed to track miniscule fluctuation in the arm's movement. IU-led research suggest physical movement is an accurate method to diagnose neurodevelopmental disorders, including autism. Credit James Brosher, Indiana University 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.