Cochlear Implant Effective in Language Development if Implanted at Early Age

What are the long-term outcomes of children implanted with cochlear implants during the most sensitive period for language development?

Bottom Line
The cochlear implant is efficacious in the amelioration of receptive and expressive language deficits in most congenitally deafened children implanted before the age of one. The language outcomes for those implanted after the age of 1 year decline as the age of implantation increases.

Background: It has been more than one-third of a century since cochlear implantation was first utilized to promote the development of language in the prelingually deaf child. Several long-term outcome studies have looked at not only the effects of the cochlear implant on language development but also its effects on broader issues of the quality of life, including educational, economic, and social attainment.

Study design: Literature review.

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