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[The objective evaluation of hearing aids].

Y Li1, H Guo, C Wang

  • 1Beijing Tiantan Hospital, Beijing 100050.

Lin Chuang Er Bi Yan Hou Ke Za Zhi = Journal of Clinical Otorhinolaryngology
|February 5, 2003
PubMed
Summary

Hearing aids effectively improve auditory function, showing high correlation between slow vertex responses (SVRs) and pure tone audiometry. This indicates reliable audiological assessment with hearing aids.

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Area of Science:

  • Audiology
  • Hearing Science
  • Neuroscience

Context:

  • Hearing aids are crucial for individuals with hearing loss.
  • Objective audiological assessments are needed to evaluate hearing aid efficacy.
  • Sound field testing is a common method for evaluating aided hearing.

Purpose:

  • To objectively evaluate the effectiveness of hearing aids.
  • To compare auditory brainstem responses (ABRs) and slow vertex responses (SVRs) in assessing hearing aid benefit.
  • To determine the correlation between SVRs and free-field pure tone audiometry.

Summary:

  • Auditory brainstem responses (ABRs) and slow vertex responses (SVRs) were elicited in aided and unaided ears using clicks and tone pips.
  • A high correlation was found between SVR thresholds and free-field pure tone audiometry thresholds.
  • No significant difference was observed in the gains measured by SVRs and free-field pure tone audiometry.

Impact:

  • This study validates SVRs as a reliable objective measure for evaluating hearing aid effectiveness.
  • Findings support the use of SVRs in audiological assessments for hearing aid fitting.
  • The results contribute to a better understanding of auditory processing with amplification.

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