Abstract
This study provided a yearly record of consonant development for the initial 4 years of cochlear implant (CI) use and established a precedent for using a standardized articulation test, the Goldman-Fristoe Test of Articulation-2 (Goldman, R., & Fristoe, M. [2000]. Goldman-Fristoe Test of Articulation-2. Circle Pines, MN: American Guidance Services). The study used CI age as a referent for 32 children who received their CI before 30 months of age. Consonants produced by 70% of the children were listed, as were the most common error types, which were consonant omissions and substitutions. Using consonant repertoire lists and standard scores, the study revealed that children with CIs had acquisition patterns that were similar to their peers when the duration of CI experience was similar to the chronological age norms of typically developing children. The results revealed that CI users need time to coordinate their articulatory organizing principles with the input they receive from their CI. It is appropriate to use length of CI use as a proxy for chronological age during the first 4 years when comparing articulation development with hearing peers.
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