Different speakers may pronounce the same sounds very differently, yet listeners have little difficulty perceiving speech accurately. Recent research suggests that listeners adjust their preexisting phonemic categories to accommodate speakers' pronunciations ("perceptual learning"). In some cases, these adjustments appear to reflect general…

A model of speech perception and production is suggested here which attempts to account for different rates of acquisition of perceptual and productive skill in the second language without assuming the existence of two separate second language grammars. (Author/KM)

Current neuroimaging and neurophysiologic techniques have substantially increased our possibilities to study processes related to various language functions in the intact human brain. Learning to read and write influences the functional organization of the brain. What is universal and what is specific in the languages of the world are important…