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Related Concept Videos

Auditory Perception01:17

Auditory Perception

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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
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Hearing01:31

Hearing

54.8K
When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Does Auditory Environment Predict Speech Perception Outcomes in Elderly Cochlear Implant Patients?

Kevin Chow1, Vivian F Kaul2, Jillian Levine-Madoff3

  • 1McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA.

Audiology & Neuro-Otology
|May 5, 2021
PubMed
Summary

Older adults with cochlear implants (CI) benefit from longer daily device use, especially in quieter environments. Understanding the auditory environment is key to improving speech perception outcomes in elderly CI recipients.

Keywords:
AgingCochlear implantsData loggingPresbycusisSpeech perception

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Area of Science:

  • Audiology
  • Gerontology
  • Biomedical Engineering

Background:

  • Cochlear implantation (CI) effectively addresses sensorineural hearing loss in the elderly.
  • Significant variability in post-CI hearing outcomes suggests modifiable environmental factors.
  • The relationship between age, auditory environment, and speech perception in older adults remains under-explored.

Purpose of the Study:

  • To investigate the correlation between age, natural auditory environments, and postimplantation speech perception in elderly cochlear implant recipients.
  • To analyze how daily listening environments and loudness levels relate to age in this population.

Main Methods:

  • Retrospective analysis of sound processor data logs from 115 postlingually deafened CI recipients aged 50+.
  • Assessment of time spent in various listening environments and sound pressure levels (SPL dB).
  • Speech perception testing (Consonant-Nucleus-Consonant word recognition in quiet) in a subset of 27 patients.

Main Results:

  • Older CI recipients (mean age 70) spent more time in quiet environments and less time in loud environments.
  • Increased daily device use and time in quiet environments significantly correlated with improved speech perception scores (CNC).
  • While speech-in-noise environments showed a trend, they were not significantly correlated with speech perception improvements.

Conclusions:

  • A distinct relationship exists between age and auditory environment exposure in older CI users, with a preference for quieter settings.
  • Longer daily cochlear implant use is associated with better speech perception outcomes in older adults.
  • Further research is needed to fully elucidate the impact of auditory environments on speech perception and guide rehabilitation strategies.