A Single Gene Boosts Brain Plasticity (IMAGE) University of Utah Health Caption Overexpressing a single gene called Arc rejuvenates the visual cortex of middle-age mice, making them as plastic as younger mice. Credit Elissa Pastuzyn Usage Restrictions With Credit 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.