Then all of a sudden Smiley's dog would grab that other dog by his back leg and hang on till the men said it was over.

VOA: special.2009.08.29

And it turns out that the dog— when they zapped part of its brain, its leg would kick up.

结果是那只狗,当研究者们电击某个大脑区域时,狗的四肢便会乱踢起来

耶鲁公开课 - 心理学导论课程节选