There seems to be no interesting difference between how the brain comes to acquire and use the spoken language versus a sign language.

似乎大脑在如何获得和使用口语语言,与如何获得和使用手语之间,不存在任何的差别

耶鲁公开课 - 心理学导论课程节选

And this is interesting because this suggests that to some extent the ability to use and understand and learn language is part of human nature.

这一点很有意思,因为这表明,从某种程度上来说,语言的使用,理解以及学习能力,是人类本性的一部分

耶鲁公开课 - 心理学导论课程节选