Memory Test (VIDEO) Max-Planck-Gesellschaft 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 To test their capacity to learn, the mice are trained to find an underwater platform which is not visible to them from the edge of a water basin. The swimming path is marked in red. If the gene for the toxic tau protein in this mouse is switched off for a few weeks using a genetic trick, the mouse is able to learn normally again and quickly finds its way to the platform. Credit Max-Planck-ASMB/Mandelkow Usage Restrictions This video may only be used or reproduced for editorial purposes and in connection with scientific articles on our press material, in which case such usage or reproduction is free of charge and requires no permission. Any other use, in particular for commercial purposes, requires prior permission of the author or photographer. Further enquires can be answered in the Press and Public Relations Office - simply write an e-mail to gebhard@gv.mpg.de. 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.