Stress on Young Brain (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption Peripuberty stressed rats show increased activation in the amygdala (involved in emotional processing) and blunted activation in the orbitofrontal cortex (involved in social decision-making). Credit EPFL Usage Restrictions Include photo credit: 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.