Parkinson's Symptoms App (IMAGE) Johns Hopkins University Caption Johns Hopkins computer science students Srihari Mohan, left, and Andong Zahn, display the iPhone and Android smartphone apps they helped design to allow Parkinson's disease patients to measure the severity of their symptoms. Credit Noam Finkelstein/Johns Hopkins U 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.