Morris Water Maze movie of a rat that will quickly find the platform (eigth training session). The rat is detected by the video tracking system (Noldus Ethovision) and shown in red. The path following the rat is also in red. There are four quadrants: North, South, East and West. They are separated by "virtual" blue lines (i.e. drawn by the tracking system). The platform is located in the North quadrant and is represented by a blue circle.