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After thyroidectomy subjects had a normal perceptual and objective vocal quality corresponding with a Dysphonia Severity Index of 66%, and there is no permanent change of the vocal performance. Moreover, there is no psychosocial handicapping effect of the vocal quality, but immediately post-thyroidectomy there are more vocal complaints. To what extent thyroidectomy causes (temporary or permanent) alterations of the singing voice in elite vocal performers is subject to further research.

The purpose of this study was to determine and to compare the overall intelligibility, articulation, resonance, and voice characteristics in children using cochlear implants (CI) and children using conventional hearing aids (HA). Nine prelingually deaf children using CI and six children with a prelingual severe hearing loss using HA, were selected to participate. Objective (DSI, nasalance scores) as well as subjective assessment techniques (perceptual evaluations) were used. Both the CI and HA children demonstrated normal vocal quality and resonance but showed the presence of articulation disorders. In the CI children, intelligibility was significantly better compared to the HA children. Significantly more phonetic and phonological disorders were present in the HA children. The results of this study show a poorer intelligibility of the HA children in comparison with the CI children which is probably due to the occurrence of significantly more phonetic and phonological disorders. Future detailed analysis in a larger sample of CI and HA children may help further clarify the issue of speech and voice characteristics and may demonstrate an important prognostic value.

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The results of this study demonstrated a possible additional beneficial effect of bilateral implantation on several speech characteristics of prelingually deaf children and as a consequence highlighted the interest of further research.

Objective: Reduced intelligibility is a central concern in speech-impaired children, especially for parents. The main purpose of this study was to develop normative data for the intelligibility of Flemish-speaking boys and girls (age 2;06–5;0 years) as judged by their parents. Additionally, the influence of familiarity, gender and age of the child was determined. Patients and Methods: Word, sentence and story productions of 163 healthy children (83 boys and 80 girls) between 2;06 and 5;0 years were transcribed by their own parents. Speech intelligibility was determined according to the intelligibility index described by Shriberg. Additionally, a panel of 12 unfamiliar judges listened to the recordings of a subgroup of 24 randomly selected children. Results: Speech intelligibility improved with increasing age and was around 90% for children aged 4;6–5;0 years. Boys and girls performed equally on the task. For the intelligibility of words, mothers scored significantly better than unfamiliar listeners did. Conclusion: The reported normative speech intelligibility data provide important reference information for speech pathologists who assess child speech. Moreover, it enables them to measure the effect of a specific therapeutic approach and the spontaneous transfer to daily speech.

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