Cerebral cortex (IMAGE) Istituto Italiano di Tecnologia - IIT Caption Researchers identified a specific form of autism caused by a specific neuronal alteration: the presence of an excessive number of synapses in the cerebral cortex. Credit IIT-Istituto Italiano di Tecnologia Usage Restrictions use with appropriate credits and caption License Original 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.