But we will discuss

我们会在讲到关于笑的课程时
when we have a lecture on laughter a bit of the tickle sciences.

再来讨论这个关于挠痒痒的科学
And finally there's factual.

最后是证据上的局限
What do infants and children really know?

婴幼儿究竟知道些什么
It's possible that due to the methodological limitations of Piaget,

皮亚杰很可能由于研究方法上的局限
he systematically underestimated what children and babies know.

而系统地低估了婴幼儿的理解能力
And in fact, I'll present some evidence

事实上我要给大家呈现一些证据
suggesting that this is in fact--that this is the case.

这些证据表明事实确实如此
So, I want to introduce you

我要给大家介绍下
to the modern science of infant cognition.

关于婴儿认知的现代科学发现
Infant cognition has been something studied for a very long time.

婴儿认知已经得到了多年的研究
And there was a certain view

这些研究都基于某个观点