This book addresses how cross-linguistic interference is represented in the bilingual mind. Examining novel oral production data from older bilingual children representing two Quechua varieties, this research concludes that interference in the feature specification of functional categories leads to language change in a language contact situation, and links convergence, a common set of feature values for the same functional category in both languages to the activation of features related to the informational structure of the sentence. These mechanisms are illustrated in detail by the presence...