Patient (IMAGE) MediaSource Caption A new study by The Ohio State University Wexner Medical Center finds keeping the mind active and challenged leading up to a major surgery can help prevent postoperative delirium, a serious complication that is especially common among older patients. Credit The Ohio State University Wexner Medical Center Usage Restrictions All multimedia is available for free and unrestricted media use with 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.