1.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 languageacquisitiondevice (LAD).
2.The Universal Grammar theory, proposed and formulated by the American linguist Noam Chomsky in the 1980s, is a development of his earlier ideas of LanguageAcquisitionDevice (LAD) and "Poverty-of-the-stimulus" argument.
