Genius dog (IMAGE) Eötvös Loránd University Caption A new study just published in Animal Cognition reveals that the rare dogs that are gifted in learning object verbal labels – the names of their toys - are more playful than typical dogs. Credit Credit: Cooper Photo Usage Restrictions Credit must be given License Original 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.