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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Longitudinal formant analysis after cochlear implantation in school-aged children
Kazuya Kunisue1, Kunihiro Fukushima, Rie Nagayasu
1Department of Otolaryngology, Head & Neck Surgery, Okayama University Postgraduate School of Medicine, Dentistry and Pharmaceutical Science, 2-5-1 Shikata-Cho, Okayama 700-8558, Japan.
International Journal of Pediatric Otorhinolaryngology
|August 31, 2006
Summary
Cochlear implants show fair improvement in articulation for children with prelingual deafness. Formant analysis of vocal development correlates with speech perception and intelligibility post-implantation.
Area of Science:
- Audiology
- Speech-Language Pathology
- Bioacoustics
Background:
- Investigating the correlation between vocal and hearing development is crucial for assessing vocal progress.
- Longitudinal analysis of sound spectrograms provides a foundational system for evaluating vocal development.
Observation:
- Two children with prelingual deafness underwent cochlear implantation and were monitored for speech perception and intelligibility.
- Voice recordings were analyzed for formant changes and compared to maternal voices and monosyllable speech perception.
Findings:
- Formant analysis revealed high concordance between monosyllable speech perception and speech intelligibility.
- Patient formants (F1-F2) increasingly resembled their mothers' post-implantation.
- Speech development alterations occurred concurrently in both subjects, despite differing outcomes.
Implications:
- F1-F2 gram analysis demonstrates fair improvement in articulation post-cochlear implant.
- This analytical method facilitates data sharing and collaboration among medical and educational specialists.
