Maps of Brain Connections (IMAGE) University of California - Santa Barbara Caption Improvements in MRI and software tools have led to unprecedented opportunities to map the connections between different brain regions. In this case, the different colors correspond to the primary orientation of the pathways (up-down=blue, left-right=red, front-back=green). Credit Courtesy photo 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.