Consonant Repertoire of a Prelinguistically Deaf Child with Late-Mapping Cochlear Implants
Journal
Austin Journal of Otolaryngology
Date Issued
July 25, 2021
Author(s)
Abstract
Objective: The present case study aims to report on the consonant
repertoire during the pre-linguistic and first linguistic stage of a Greek-Cypriot
speaking child bilaterally implanted with multichannel Cochlear Implants (CIs).
Background: Children with Hearing Loss (HL) produce canonical babble
later, and consonantal inventories of HL children are smaller. However, the
consonant repertoire of CI Greek-speaking children has not been examined thus
far and research on types of consonantal errors during phonological acquisition
is scant.
Clinical Case: A pre-linguistically deaf child (CY, 7;0 years old) received
the first CI at 7 months of age, but the external part of the device was fitted at
2;7 years. An investigation of the child’s speech at 7;0 years was conducted
through auditory analysis. The child’s canonical utterances were transcribed
in IPA and his consonants were classified into subcategories, depending on
articulation place, articulation manner and resonance. Regarding place, alveolar
consonants were the main category produced. As regards manner, closed
consonants was the first category to appear, while in terms of voicing, voiceless
consonants were recorded more often than voiced ones. The analysis also
showed that consonants /t/, /s/ and /p/ were dominant in the child’s speech and
revealed several phonological processes.
Conclusion: The present case holds special interest as the child’s
phonological system is still between the pre-linguistic/first linguistic stages due
to the delayed CI mapping. The results agree in part with several studies in
the literature, while specific phonological error patterns observed, remain to be
verified in other CI Greek-speaking children.
repertoire during the pre-linguistic and first linguistic stage of a Greek-Cypriot
speaking child bilaterally implanted with multichannel Cochlear Implants (CIs).
Background: Children with Hearing Loss (HL) produce canonical babble
later, and consonantal inventories of HL children are smaller. However, the
consonant repertoire of CI Greek-speaking children has not been examined thus
far and research on types of consonantal errors during phonological acquisition
is scant.
Clinical Case: A pre-linguistically deaf child (CY, 7;0 years old) received
the first CI at 7 months of age, but the external part of the device was fitted at
2;7 years. An investigation of the child’s speech at 7;0 years was conducted
through auditory analysis. The child’s canonical utterances were transcribed
in IPA and his consonants were classified into subcategories, depending on
articulation place, articulation manner and resonance. Regarding place, alveolar
consonants were the main category produced. As regards manner, closed
consonants was the first category to appear, while in terms of voicing, voiceless
consonants were recorded more often than voiced ones. The analysis also
showed that consonants /t/, /s/ and /p/ were dominant in the child’s speech and
revealed several phonological processes.
Conclusion: The present case holds special interest as the child’s
phonological system is still between the pre-linguistic/first linguistic stages due
to the delayed CI mapping. The results agree in part with several studies in
the literature, while specific phonological error patterns observed, remain to be
verified in other CI Greek-speaking children.
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