Fragile X Bundles (IMAGE) University of North Carolina Health Care Caption This image shows all of the white matter fiber tracts investigated in this study. Credit Meghan Swanson, PhD, UNC-Chapel Hill 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.