Brain Scan (IMAGE) King's College London Caption Red/yellow areas show activity in the caudate, a brain area affected in people with psychosis. Credit King's College London Usage Restrictions Only for use with reporting of the paper 'Effect of Cannabidiol On Medial Temporal, Midbrain, and Striatal Dysfunction in People at Clinical High Risk of Psychosis', Bhattacharyya et al, <em>JAMA Psychiatry</em> 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.