r. Introduction Themajorityofthebrainimagingstudiesonbilingualismhavefocusedonthe question of the separation or overlap of the neural regions involved when a biIingual brain is *ort ing with one language or the other. Researchers have been especially interested in the roles of factors such as age of acquisition of the seco,,d lu,,g.,.g. and level of proficiency. In recent studies, however, new ...
