Disorganized Cortical Patch (image) NIH/National Institute of Mental Health Caption Postmortem analysis of autistic brain tissue revealed patch-like areas of disorganized neurons. Arrows show a patch of decreased or absent expression of genetic markers across multiple layers of the dorsolateral prefrontal cortex. Credit Rich Stoner, Ph.D., University of California, San Diego Usage Restrictions Image may only be used with appropriate caption or credit 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.