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Open-set speech recognition in children with a single-channel cochlear implant
K I Berliner1, L L Tonokawa, L M Dye
1House Ear Institute, Los Angeles, California.
Ear and Hearing
|August 1, 1989
Summary
Profoundly deaf children with single-channel cochlear implants showed some ability to understand speech auditorily. Communication method significantly impacted speech recognition, but success was seen across various backgrounds.
Area of Science:
- Audiology
- Speech-Language Pathology
- Biomedical Engineering
Background:
- Cochlear implants are vital for profound hearing loss.
- Single-channel implants offer limited auditory information.
- Assessing auditory-only speech understanding is crucial for evaluating implant efficacy.
Purpose of the Study:
- To evaluate speech understanding in profoundly deaf children using the 3M/House single-channel cochlear implant.
- To determine factors influencing auditory-only speech recognition in this population.
Main Methods:
- Fifty-one children over 5 years old with sufficient cognitive/language skills were tested.
- Stimuli included open-set word identification and sentence comprehension tasks.
- Auditory-only mode was used, without speechreading assistance.
Main Results:
- 52% of children showed open-set word identification; 41.5% demonstrated sentence comprehension.
- Shorter duration of deafness correlated with better open-set performance.
- Oral communication users showed higher open-set speech recognition than total communication users.
Conclusions:
- The 3M/House single-channel cochlear implant enables some auditory-only speech understanding in profoundly deaf children.
- Communication method is a key factor, but success is not limited to one approach.
- Factors like duration of deafness also play a role in auditory speech recognition outcomes.