Xuemei Huang, Pennsylvania State University, and Colleagues (image) NIH/National Institute of Neurological Disorders and Stroke Share Print E-Mail Caption Dr. Xuemei Huang, Pennsylvania State University, (rear) and colleagues are using sophisticated MRI scans to reveal biomarkers of Parkinson's. Credit Penn State Usage Restrictions Please credit Penn State. Share Print E-Mail 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.