Healthy Human Brain (IMAGE) Johns Hopkins Medicine Caption Healthy human brain (left) and brain with WAGR syndrome, in which the corpus callosum is thinner and misformed. Credit <i>Nature Communications</i> 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.