The Gray Mouse Lemur (IMAGE) Université de Genève Caption The gray mouse lemur, the smallest species of primates, has excellent vision. More than one fifth of his cerebral cortex is dedicated to visual processing in order to accommodate a sufficient number of pixel processing units. Credit UNIGE/HUBER Usage Restrictions ©UNIGE/HUBER 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.