Children develop their language capacities and executive functions (EF) throughout their school-aged years. Research has shown that bilingual children show different patterns of EF performance when compared to their monolingual counterparts. However, it is less clear how variations in children's multilingual experiences associate with variation in…

Bilinguals' two languages are both active in parallel, and controlling co-activation is one of bilinguals' principle challenges. Trilingualism multiplies this challenge. To investigate how third language (L3) learners manage interference between languages, Spanish-English bilinguals were taught an artificial language that conflicted with English…