Cats vs. Dogs (VIDEO) Vanderbilt University This video is under embargo. Please login to access this video. Caption The first study to actually count the number of cortical neurons in the brains of a number of carnivores, including cats and dogs, has found that dogs possess significantly more of them than cats. Credit Amy Wolf & Zachary Eagles, Vanderbilt University 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.