Concussion Alters How Information Is Transmitted Within the Brain (image) Radiological Society of North America Share Print E-Mail Caption MRI image from a mild traumatic brain injured patient demonstrating corpus callosum fiber tractography, which is a 3D reconstruction of white matter fibers. This image specifically provides information on the axonal water fraction, which was one of the compartment diffusion metrics analyzed. Credit Study author and RSNA Usage Restrictions May use with credit. Share Print E-Mail 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.