It just checks and sees what kind of light frequencies are bouncing off the object.

只要能让它检验出,物体反射的光的频率

耶鲁公开课 - 死亡课程节选

If I'm described to you as a vivacious and creative person and you see me and I'm all kind of bouncing around and everything, you could then confirm this as, "Look how vivacious and creative he is."

如果有人把我描述成一个活泼有创意的人,当你看到我上跳下蹿时，你就会以此来确认你所相信的，“看他多活泼多有创意”

耶鲁公开课 - 心理学导论课程节选