How Humans Have Shaped Dogs' Brains (IMAGE) Society for Neuroscience Caption Left: Structural differences in three dog breeds. Right: Composite scan from 33 breeds displaying areas that vary the most. Credit Hecht et al., JNeurosci 2019 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.