If you stop that behavior on one group that you're experimenting with, and you allow it in another group that you're experimenting with, and then you present those rats with a cat odor-saturated collar, they're hardwired to flee and hide.
ネズミの被験グループのひとつに遊ぶ行動を止めさせ もうひとつのグループは自由にしておきます そして彼らに 猫の匂いがする首輪を与えると 両方とも本能的に逃げて隠れます