Walk through three kinds of food and get out of the maze to get food. Walking through three kinds of food and getting out of the maze is tolman's mouse maze experiment. Tolman maze experiment: the maze has a starting point, a food box and three channels with different lengths from the starting point to the food box (channel 1, channel 2 and channel 3 respectively). At the beginning of the experiment, the mice were at the starting point, and then they were allowed to explore freely in the maze. After a period of time, test their learning achievements. When testing, put them at the starting point and do some processing on each channel to observe their behavior.