Myelin_001 (IMAGE) University of Washington Caption A team including researchers at the University of Washington compared MRIs from 300 babies using new software to compare their brains’ white matter and discovered that myelin, a part of white matter, develops much slower after birth. Here, images from six babies born at different times in their terms (displayed above each) show the changes in brain development. Credit Grotheer et al./PNAS 2023 Usage Restrictions For use with appropriate credit License Original 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.