The present study examines both properties of the language and properties of the learner to better understand variability at the earliest stages of second language (L2) acquisition. We used event-related potentials, an oral production task, and a battery of individual differences measures to examine the processing of number and gender agreement in…

Although bilingual individuals know 2 languages, research suggests that the languages are not separate in the mind. This is especially evident when a bilingual individual switches languages midsentence, indicating that mental representations are, to some degree, overlapping or integrated across the 2 languages. In 2 eye-tracking experiments, we…