Brain section (IMAGE) Heinrich-Heine University Duesseldorf Caption Longitudinal section of the brain: GABA/glutamate concentrations were measured at the locations marked (top: dorsal anterior cingulate cortex; further forward/bottom: ventromedial prefrontal cortex). Credit HHU / Luca Franziska Kaiser 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.