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Related Experiment Video

Updated: Jan 27, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

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Non-implantable Artificial Hearing Technology.

Ling Lu1, Xiaoli Zhang1, Xia Gao2

  • 1Department of Otorhinolaryngology, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.

Advances in Experimental Medicine and Biology
|March 28, 2019
PubMed
Summary
This summary is machine-generated.

Hearing aids, evolving through five eras, help individuals with hearing loss. Proper fitting and evaluation, including speech recognition tests for the elderly, are crucial for effective rehabilitation.

Keywords:
AmplificationBone-anchored hearing aid softbandHearing aids

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Area of Science:

  • Audiology
  • Biomedical Engineering
  • Rehabilitation Science

Background:

  • Hearing aids are essential sound-amplifying devices for individuals with hearing impairment.
  • Technological advancements have significantly improved hearing aid functionality across five distinct eras.
  • Understanding hearing aid components and types is key to addressing diverse hearing loss needs.

Purpose of the Study:

  • To provide a comprehensive overview of hearing aid technology, history, and types.
  • To outline the critical steps involved in hearing aid fitting and evaluation.
  • To emphasize the importance of early intervention and tailored approaches for pediatric and elderly hearing loss.

Main Methods:

  • Historical review of hearing aid development (acoustic to digital eras).
  • Classification of hearing aid components and types (e.g., BTE, ITE, CIC, BAHA).
  • Description of the hearing aid fitting process, including medical history, trial, and follow-up.

Main Results:

  • Hearing aid technology has progressed through acoustic, carbon, vacuum tube, transistor/IC, and digital eras.
  • Various hearing aid types exist, including specialized devices like the Bone Anchored Hearing Aid (BAHA) softband for children.
  • The fitting process involves multiple steps, from initial assessment to post-fitting evaluation and rehabilitation.

Conclusions:

  • Effective hearing aid use requires a thorough fitting process and ongoing evaluation.
  • Early selection and appropriate rehabilitation are vital for children with hearing loss.
  • Speech recognition testing is critical for assessing the effectiveness of hearing aids in elderly patients with presbycusis.