2.4.3. Test session in Experiment 2

Following session 7 of Experiment 2, an observation test was conducted, which was similar to that in Experiment 1, except for the conditions. We examined whether the mice that have learned reaching behavior in the observation room spent time close to the slit under three conditions as follows: learning or unlearning mice in the reaching room or empty reaching room (Table 10). We calculated the occurrence rate of the observer's position being close to the slit based on the total time of the test session.

In addition, we measured the time of a single spin in only the learning-learning pair (Table 12) and manually classified the reaching situations into three categories; Face to face, ambiguous, and Not paying attention (Table 13), as in Experiment 1.