Object permanence is the understanding that things exist when you no longer see them.

客体永存性是指,知道某人或某物虽然现在看不见,但仍然是存在的

耶鲁公开课 - 心理学导论课程节选

Because the brain in front of you-- you can't see it,but it's in front of you-- the brain in front of you is the very same brain as the brain that you had in front of you on Thursday.

是因为你们面前这个大脑的存在-,你看不见，但其确实是存在的-,你们面前的这个大脑,和周四那个大脑是一样的。

耶鲁公开课 - 死亡课程节选