The main aim of this paper is to analyze the relationship between brain and language in
terms of coevolution. Nowadays, the thesis of coevolution is defended by the exponents of
the neoculturalist paradigm to claim that language is the product of cultural (not biological)
evolution. In our opinion, this claim is misleading. From our point of view, in fact, we can
refer to the relationship between brain and language in terms of coevolution only if we are
prepared to maintain that language is the product of natural selection. In our opinion, in
other words, the coevolution thesis involves the idea of language as biological (not cultural)
adaptation.
