Pre-Pubertal Mice Siblings (image) University of California - Berkeley Share Print E-Mail Caption Pre-puberty mouse siblings in front of an image of a mouse's prefrontal cortex. The study shows that mice who have gone through puberty show less flexibility in learning than their pre-puberty counterparts. Credit Jon Wilbrecht Usage Restrictions None Share Print E-Mail 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.