Understanding the neural representation and control of language in normal bilingual speakers provides insights into the factors that constrain the acquisition of another language, insights into the nature of language expertise, and an understanding of the brain as an adaptive system. We illustrate both functional and structural brain changes…

Emphasizes the importance of psycholinguistic research in enabling us to discover phenomena which will later be seen to have representations in the brain. In addition, the different ways a second language is learned and used, as well as the differences in the actual language structures themselves, will participate in determining brain organization…