Knowing Where the Defects Are (image) Brown University Share Print E-Mail Caption Fragile X granules (red dots) appear beside neuron cell bodies (green) in microscopy of mouse brain tissue. The granules could be useful as targets for new therapies in autism and mental retardation. Credit Credit: Sean Christie/Fallon Lab/Brown University Usage Restrictions None 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.