In this study, we propose a hypothesis that domain-general auditory processing, a perceptual anchor of L1 acquisition, can serve as the foundation of successful post-pubertal L2 learning. This hypothesis was tested with 139 post-pubertal L2 immersion learners by linking individual differences in auditory discrimination across multiple acoustic…

Investigates children's changing sensitivity to processing cues for identifying agent as a function of proficiency in a second language. English speaking children in an immersion school were asked to identify the agent for a set of audiotaped sentences in English and Japanese. Found children learned word order, lexical semantics, and canonical…

Investigates the relationship between language aptitude components and second language (L2) outcomes among learners whose intensive L2 exposure began at different ages. Findings reveal that in adolescence immersion, a positive relationship occurs between L2 outcomes and an analytical dimension of language aptitude, whereas in early immersion, a…