Namo Portrait (IMAGE) Max Planck Institute of Geoanthropology Caption The study used photos of dogs with wolf-like faces and upright ears for emotion recognition. Credit Juliane Bräuer Usage Restrictions Please provide credit information when reusing 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.