But mice whose Grueneberg ganglia had been excised did not notice anything wrong and continued to wander around their cages without a care in the world.

• 而切除格吕内贝格神经节的小鼠则没有注意到任何不对的情况，并且继续在牠们的笼子中无忧虑地在这个世界中徘徊游荡。