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Updated: May 6, 2026
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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
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Influence of signal processing strategy in auditory abilities.
Tatiana Mendes de Melo1, Maria Cecília Bevilacqua, Orozimbo Alves Costa
1Núcleo do Ouvido Biônico, Hospital Samaritano.
Brazilian Journal of Otorhinolaryngology
|October 22, 2013
Summary
Cochlear implant signal processing strategies impact auditory performance. Individualized programming is crucial, as not all children benefit equally from HiRes and HiRes 120 strategies in quiet or noisy environments.
Area of Science:
- Audiology
- Biomedical Engineering
- Speech-Language Pathology
Background:
- Signal processing strategies significantly influence cochlear implant (CI) auditory performance.
- Optimizing these strategies is essential for enhancing speech perception, particularly in challenging listening conditions.
Purpose of the Study:
- To compare the auditory performance of prelingually deafened children using two distinct CI signal processing strategies: standard HiRes and HiRes 120.
- To evaluate individual responses to different strategies in both quiet and noisy environments.
Main Methods:
- A prospective, within-subjects study involving 11 children with prelingual deafness and open-set speech recognition.
- Performance was assessed using warble-tone sound-field thresholds and speech perception tests in quiet and noise.
Main Results:
- Individual children showed varied responses, with some performing better with HiRes 120 and others with HiRes in quiet.
- Similarly, in noise, performance differences were observed between the two strategies across participants.
Conclusions:
- The study highlights that not all children exhibit the same response patterns to different CI signal processing strategies.
- This underscores the necessity for personalized clinical programming of cochlear implants to optimize auditory outcomes.
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