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Related Experiment Video

Updated: Aug 28, 2025

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
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Effect of Aging on Speech Discrimination.

Jiwon Choi1, Taeho Kim1, Sunhong Kim1

  • 1Department of Otolaryngology, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.

Journal of Audiology & Otology
|September 16, 2022
PubMed
Summary

Aging significantly decreases speech discrimination in patients with hearing loss. Higher pure-tone average and older age are key factors linked to reduced speech clarity in presbycusis.

Keywords:
AgingAuditory perceptual disorderPresbycusisSpeech discrimination

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Area of Science:

  • Audiology
  • Gerontology
  • Speech Science

Background:

  • Presbycusis, or age-related hearing loss, often involves decreased speech discrimination.
  • Understanding factors contributing to this decline is crucial for effective management.

Purpose of the Study:

  • To identify factors associated with reduced speech discrimination in patients with presbycusis.
  • To determine the impact of aging on speech discrimination ability.

Main Methods:

  • Retrospective analysis of medical records for patients over 40 years old.
  • Inclusion of pure-tone audiometry, speech audiometry, and auditory brainstem response data.
  • Correlation and multiple linear regression analyses to identify predictors of speech discrimination scores.

Main Results:

  • 103 patients (120 ears) with a mean age of 65.8 years were analyzed.
  • A significant negative correlation was found between speech discrimination scores and both age and pure-tone average.
  • Pure-tone average and age were identified as significant predictors of lower speech discrimination scores.

Conclusions:

  • Speech discrimination ability significantly declines with increasing age and pure-tone average in patients with hearing loss.
  • Age and audiometric measures are critical factors influencing speech clarity in older adults.