Representative Brain Glucose Metabolism Scan (IMAGE) IOS Press Caption Representative brain glucose metabolism scan from a participant in the usual low level of physical activity group (left) and from a participant in the moderate intensity aerobic training group (right). Red indicates a greater degree of brain glucose metabolism. Credit Brain Plasticity 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.