Can an early learned second language influence speech production after living many years in an exclusively monolingual environment? To address this issue, we investigated the consequences of discontinued early bilingualism in heritage speakers who moved abroad and switched language dominance from the second to the primary learned language. We used…

Administered the MacArthur Communicative Development Inventory to 25 bilingual (English/Spanish) and 35 monolingual children who were furnishing data for longitudinal study. Assessment of the degree of overlap between bilingual children's lexical development in their two languages showed that they developed early vocabulary at the same rate as…