Neural Efficiency (image) Center for BrainHealth Share Print E-Mail Caption Brain imaging revealed more energy efficient brains in the cognitive training group compared to the exercise and waitlist control groups. Credit Michael A. Motes, et. al., Neurobiology of Aging, 2018 Usage Restrictions Please use credit and caption with image. Share Print E-Mail 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.