In Chomsky's Innateness Hypothesis, it is held that, in human brain, there is innate Universal Grammar which lies in one part of human brain called language acquisition device (LAD).

乔姆斯基的语言天赋论认为，人脑中有一种天生的普遍语法，这一普遍语法存在于人脑中一个叫做语言习得机制的地方。

With some emotions, it is relatively easy to see where they are located on the innateness spectrum.

相对而言，我们在先天性频谱图上较容易看出一部分情感的位置。

One is represented by Noam Chomsky and his followers, who advocate rule-based Universal Grammar in linguistic study and language innateness hypothesis in language acquisition study.

语言习得研究是验证语言学和语言学习理论的重要依据，也是探索人类心智的一个重要途径。