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From Sign Language to Spoken English: Evidence of A Lexical Piggyback in the Language of Deaf Children with Cochlear Implants |
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Yoshinaga-Itano Christine - University of Colorado, Boulder
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| SRCLD Year: |
2005 |
| Presentation Type: |
Invited Speaker |
| Presentation Time: |
(na) |
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Colorado children with significant hearing loss are identified within the first few weeks of life and enter into early intervention within the second month of life. The study of early-identified children with profound hearing loss who receive cochlear implants within the second year of life, reveals interesting patterns of language development. These cases present a speed of spoken English acquisition of deaf children, not previously described in the literature. They have shown a short period of extremely rapid oral vocabulary development that fast maps sign language vocabulary to spoken English. These children have hundreds of signed words in their lexicon, short mean length of words per utterance in sign-typically 2-3, but very little syntax development in sign language pre-cochlear implant. Following the fast mapping of signs to speech is a burst of syntax development. The pattern of language development follows a bilingual developmental pattern but the modality is vision/motor (sign) to auditory/speech. Funding has been provided by NIH, OSEP and CDC. |
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