Pedestrian Navigation (IMAGE) Massachusetts Institute of Technology Caption An MIT study suggests our brains are not optimized to calculate the shortest possible route when navigating on foot. In this figure, pedestrian paths are shown in red while the shortest path is in blue. Credit MIT Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.