In the history of psycholinguistics, there are traditional accounts that have been told about language learning and processing. These accounts revolve around the constraints imposed by the age of language learning and by universal principles that are assumed to be natively given. The contribution of Brian MacWhinney and his collaborators has been…

This paper sets out to peruse the role of various theories or more precisely, hypotheses invoked in second language acquisition (SLA) research by surveying three empirical studies pertaining to the critical period hypothesis in the SLA of phonetics and phonology. In particular, the three studies reviewed are titled in chronological order as (1)…

This response to a paper concerning age-related effects and their relationship to universal grammar (UG) in second language (L2) acquisition looks first at both the paper in question and research on UG and L2 acquisition in general. After these observations, discussion focuses on the following four topics in relation to the paper: (1) the notions…