Courchesne Autistic Brain Graphic (IMAGE) University of California - San Diego Caption Gene function in cell cycle networks regulating brain size is normal in typical toddlers (green), while it is abnormal in ASD toddlers (blue, red) for both smaller and bigger brains. Bigger ASD brains are more severely affected than smaller brains. Credit UC San Diego Health Usage Restrictions Use caption and credit as indicated. 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.