Primate versus mouse neurons (IMAGE) University of Chicago Medical Center Caption New research has found that adult primate neurons (left) have two to five times fewer synapses in the visual cortex compared to mice (right). Credit Image from Wildenberg et al. Usage Restrictions May only be used in stories about this specific research study 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.