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Substitution Patterns of Phoneme Errors in Hearing Aid and Cochlear Implant Users
Woojae Han1, Hyungi Chun2, Gibbeum Kim2
1Division of Speech Pathology and Audiology, Research Institute of Audiology and Speech Pathology, College of Natural Science, Hallym University, Chuncheon, Korea.
Journal of Audiology & Otology
|April 19, 2017
Summary
Hearing aid and cochlear implant users with sensorineural hearing loss exhibit similar phoneme substitution patterns, particularly with nasals and plosives, even in noisy environments. This aids understanding of speech perception challenges.
Area of Science:
- Audiology
- Speech-Language Pathology
- Neuroscience
Background:
- Speech perception deficits in sensorineural hearing loss worsen with increased noise.
- Detailed phoneme error patterns for hearing aid (HA) and cochlear implant (CI) users are not well-documented.
Purpose of the Study:
- To analyze phoneme error substitution patterns in postlingually deafened Korean adults using HAs and CIs.
- To investigate how background noise affects these substitution patterns.
Main Methods:
- Twenty HA users and fourteen CI users participated.
- Phoneme errors were assessed using monosyllabic words in quiet and two noise conditions.
- Substitution patterns were analyzed based on manner of articulation.
Main Results:
- Both HA and CI user groups showed a high percentage of nasal and plosive substitutions.
- This high substitution rate was consistent across different background noise conditions.
Conclusions:
- Findings offer crucial insights into speech perception difficulties for individuals with hearing impairment.
- This information can inform the development of auditory training programs to enhance communication abilities.
