Expert (IMAGE) MediaSource Caption Dr. Vibhor Krishna reviews a brain image of a patient with Alzheimer's Disease during a new procedure to open the blood-brain barrier at The Ohio State University Wexner Medical Center. Credit The Ohio State University Wexner Medical Center Usage Restrictions All multimedia is available for free and unrestricted media use with a courtesy to The Ohio State University Wexner Medical Center. 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.