Body: People who study "Biological foundations of language" investigate The history of linguistics.
Some questions in "Biological foundations of language" involve how biological innateness developes, how Individual development of a traits occur, There is a critical period for language development;.
Professionals of "Biological foundations of language" include Eric Heinz Lenneberg, Alvin Liberman.
Understand cognition, learn the motor theory of speech perception is some of the cause to investigate "Biological foundations of language".