Dysfunction in Striatum (IMAGE) University of Missouri-Columbia Caption This is an image of dysfunction in a subcortical brain region, the striatum, which is associated with psychosis risk. Credit John Kerns 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.