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Related Concept Videos

Hearing01:31

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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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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
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Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
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Dynamic Spatial Auditory Processing in the Elderly.

Majid Ashrafi1, Alireza Akbarzadeh Baghban2,3

  • 1Department of Audiology, Faculty of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|August 12, 2024
PubMed
Summary
This summary is machine-generated.

Older adults experience significant declines in spatial hearing and speech perception in noise. Auditory rehabilitation may improve these age-related auditory processing deficits.

Keywords:
AgingDynamicSpatial auditorySpeech perception in noise

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Area of Science:

  • Auditory Neuroscience
  • Gerontology
  • Speech and Hearing Sciences

Background:

  • Aging impacts cognitive and processing functions, notably spatial hearing.
  • Difficulties in sound localization and speech perception in noise are common in the elderly.

Purpose of the Study:

  • To investigate the performance of dynamic spatial auditory processing in older adults.
  • To compare auditory processing in elderly individuals with younger adults.

Main Methods:

  • A descriptive and analytical study involving 120 participants (60 young, 60 elderly).
  • Utilized the Speech, Spatial, and Qualities of Hearing (SSQ) scale, Binaural Masking Level Difference (BMLD), and Dynamic Quick Speech in Noise (DS-QSIN) tests.

Main Results:

  • Significant differences in test scores and questionnaire averages were observed between young and elderly groups (p < 0.001).
  • Gender did not significantly influence the study outcomes (p > 0.05).

Conclusions:

  • Age-related changes in the auditory system reduce speech perception in noise and sound localization.
  • These deficits impair spatial cognition and environmental auditory awareness in the elderly.
  • Auditory rehabilitation shows potential for enhancing spatial auditory processing and speech perception in noise for older adults.