Chimpanzee, Peanuts over Popularity (IMAGE) Max-Planck-Gesellschaft Caption Peanuts over popularity: While chimpanzees do not change their behavior under majority influences, they change it when they can maximize payoffs by doing so. Credit Max Planck Institute for Psycholinguistics 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.