Stroke screening tool-2 (IMAGE) Penn State Caption Kathryn Atkinson, a patient at Houston Methodist Hospital, participates in a smartphone screening test to analyze stroke-like symptoms she's experiencing. The test is powered by a machine learning algorithm developed by researchers at Penn State's College of Information Sciences and Technology and Houston Methodist Hospital, which could significantly reduce the amount of time it takes physicians to diagnose a stroke. Credit Houston Methodist Hospital 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.