Cerebral lateralisation during signed and spoken language production in children born deaf

Publication date: Available online 24 January 2019Source: Developmental Cognitive NeuroscienceAuthor(s): Heather Payne, Eva Gutierrez-Sigut, Bencie Woll, Mairéad MacSweeneyAbstractThe effect of sensory experience on hemispheric specialisation for language production is not well understood. Children born deaf, including those who have cochlear implants, have drastically different perceptual experiences of language than their hearing peers. Using functional transcranial Doppler sonography (fTCD), we measured lateralisation during language production in a heterogeneous group of 19 deaf children and in 19 hearing children, matched on language ability. In children born deaf, we observed significant left lateralisation during language production (British Sign Language, spoken English, or a comb...

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