Infant intermodal speech perception is a left-hemisphere function

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Science  18 Mar 1983:
Vol. 219, Issue 4590, pp. 1347-1349
DOI: 10.1126/science.6828865


Prelinguistic infants recognized structural correspondences in acoustic and optic properties of synchronized, naturally spoken disyllables, but did so only when they were looking to their right sides. This result suggests that intermodal speech perception is facilitated by rightward orientation of attention and subserved by the left hemisphere.