Second language acquisition refers to the acquisition of another language after the foundations of the native language are in place. This course will cover second language acquisition of different linguistic domains (syntax, semantics, phonology, morphology), by both child and adult learners. The topics covered will include: the linguistic nature of interlanguage grammars; age effects and the Critical Period Hypothesis; L1 transfer, fossilization, and access to Universal Grammar in second language acquisition; and second language processing.