Monkeys Appreciate Lifelike Animation (IMAGE) Society for Neuroscience Caption The five monkey faces (left to right): wireframe, greyscale, furless, naturalistic, and real-life footage. Four expressions (top to bottom): neutral, fear grin, lip smacking, threat. Credit Siebert et al., eNeuro 2020 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.