What is LAD (language acquisition device)?

Answer 1

The Language Acquisition Device (LAD) is a postulated "organ" of the brain that is supposed to function as a congenital device for learning symbolic language (ie. language acquisition). First proposed by Noam Chomsky, the LAD concept is a component of the nativist theory of language which dominates contemporary formal linguistics, which asserts that humans are born with the instinct or "innate facility" for acquiring language.

Chomsky motivated the LAD hypothesis by what he perceived as intractable complexity of language acquisition, citing the notion of "infinite use of finite means" proposed by Wilhelm von Humboldt. At the time it was conceived (1957–1965), the LAD concept was in strict contrast to B.F. Skinner's behavioral psychology which emphasized principles of learning theory such as classical and operant conditioning and imitation over biological predisposition. The interactionist theory of Jerome Bruner and Jean Piaget later emphasized the importance of the interaction between biological and social (nature and nurture) aspects of language acquisition.

Answer 2

Language Acquisition Device Definition

Answer 3

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What is LAD (language acquisition device)?

Answer 4

The Language Acquisition Device (LAD) is a postulated "organ" of the brain that is supposed to function as a congenital device for learning symbolic language
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Answer 5

Chomsky Lad

Answer 6

Kalikina has given it to you virtually perfectly. In theoretical linguistics (principally Chomskyan linguistics), LAD is the name usen to describe the child's language learning ability. Giving this abstract function a name and thinking of it as a "device" makes it easier to discuss it, write theories about it, etc.