Expert (Task Mastered) (VIDEO) Johns Hopkins University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Researchers trained mice to lick a tube for a reward during a 'target' tone and not lick during a 'foil' tone. After two weeks of training, expert mice perform at high accuracy in the presence of the lick tube. Credit Johns Hopkins University/Kuchibhotla Lab 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.