Some very practical questions about how children learn the first language compel us to study brain functions and how these functions evolve. They also bring the studies of linguistics and neurology together. The purpose of this paper is to relate some of the research that describes language acquisition with the research about the early development…

It is proposed that in studying the development of children's speech, the findings in the data are heavily influenced by what is expected to be found on the basis of our theoretical preconceptions. This phenomenon is actually more widespread than has previously been acknowledged, and our expectations about how children learn language may have to…