Abstract：
:Using the ER-fMRI technique, the present study was designed to investigate the neural substrates of language switching among second-language learners. Twelve Chinese college students who were learning English were scanned when they performed language switching tasks (naming pictures in their first [L1, Chinese] and second [L2, English] languages according to response cues). Compared to non-switching conditions, language switching elicited greater activation in the right superior prefrontal cortex (BA9/10/32), left middle and superior frontal cortex (BA8/9/46), and right middle cingulum and caudate (BA11). When the direction of switching was considered, forward switching (from L1 to L2), but not backward switching (from L2 to L1), activated several brain regions related to executive functions (i.e., bilateral frontal cortices and left ACC) relative to non-switching conditions. These results suggest that neural correlates of language switching differ depending on the direction of the switch and that there does not seem to be a specific brain area acting as a "language switch".
journal_name
Neuroimagejournal_title
NeuroImageauthors
Wang Y,Xue G,Chen C,Xue F,Dong Qdoi
10.1016/j.neuroimage.2006.09.054subject
Has Abstractpub_date
2007-04-01 00:00:00pages
862-70issue
2eissn
1053-8119issn
1095-9572pii
S1053-8119(06)00969-4journal_volume
35pub_type
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