have not yet seen spiders and snakes.

还没有见过蜘蛛和蛇
There are various ethical reasons

出于很明显的道德上的原因
why you can't show babies--

你不能给婴儿们看
you can't try to construct

你不能直接诱引出
phobias in babies of spiders and snakes

婴儿对蜘蛛和蛇的恐惧
but the research she's finding using more indirect methods,

但是她的实验用一些间接的方法
finds, as one would expect,

寻找到了
these are what psychologists would call "Pre-potent stimuli";

心理学家们称之为强势刺激物
that is, these are things that naturally elicit fear and concern.

这些东西天生就会引发恐惧和不安
And that's all I have to say about fear.

以上就是我想讨论的关于恐惧的内容
I want to turn for the rest of this lecture

我想在接下来的时间里把话题转移到
and for next lecture next week

我们在下节课乃至下星期