Focus on Faces (IMAGE) Brown University Caption Negative or positive feelings about faces are related to patterns of activity in the brain's cingulate cortex, according to a new study. Researchers were able to use that insight to alter people's reaction to faces they saw. Credit Graphicstock Usage Restrictions with 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.