V1 Neurons (IMAGE) The Zuckerman Institute at Columbia University Caption Neurons from L2/3 to L6 of the primary visual cortex in the brain of a mouse. The primary visual cortex will be the focus of this research grant. Credit Na Ji/University of California, Berkeley Usage Restrictions Please contact the Zuckerman Institute for reprint permissions. 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.