Critiques previous research concerning differences in voice onset time discrimination between Spanish and English infants and conclusions about the effect of early linguistic experience on speech perception. (RMH)

Argues that Aslin and Pisoni's criticisms are basically unwarranted on both methodological and conceptual grounds. (RMH)

Presents evidence from studies on adults' language processing and children's language acquisition that the lexicon is at the core of grammatical generalizations at several levels of representation. Proposes that phonological acquisition might provide the bootstrapping into grammatical generalization in general. Concludes that age-appropriate…