Exercise and brain wiring (IMAGE) Boston Children's Hospital Caption The images show positive effects of physical activity (in orange) and negative effects of BMI (in blue) on local brain networks. Areas where the effects of exercise and BMI overlap are shown in purple. Credit Skylar Brooks, Computational Neuroscience Laboratory, Boston Children’s 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.