Mouse on Rotarod (IMAGE) University of California - Santa Barbara Caption A normal mouse (left) stays for 2 minutes. The MLIV mouse has impaired motor skills. Credit UCSB Usage Restrictions None 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.