Brain Liquefaction After Stroke (IMAGE) University of Arizona Health Sciences Caption A time-lapse showing dye injected into a damaged area of the mouse brain seven weeks post-stroke (upper left corner). The dye has spread past the glial scar barrier after six and 12 hours of injection. Credit Photo courtesy of Kristian Doyle, Ph.D. / UA College of Medicine - Tucson. 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.