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Auditory temporal processing in elderly listeners

P J Fitzgibbons1, S Gordon-Salant

  • 1Center for Auditory and Speech Sciences, Gallaudet University, Washington, DC 20002, USA.

Journal of the American Academy of Audiology
|June 1, 1996
PubMed
Summary
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Aging impairs auditory temporal processing in older adults, affecting tasks like sound resolution and pattern sequencing. These age-related deficits persist even without hearing loss and worsen with complex auditory stimuli.

Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics
  • Gerontology

Background:

  • Auditory temporal processing is crucial for speech comprehension and environmental sound perception.
  • Aging is associated with changes in sensory and cognitive functions, potentially impacting auditory abilities.
  • Previous research suggests age-related declines in various auditory functions.

Purpose of the Study:

  • To investigate the hypothesis that auditory temporal processing is impaired in elderly listeners.
  • To review existing psychoacoustic studies on age-related changes in auditory temporal processing.
  • To determine the influence of hearing loss and stimulus complexity on these age-related deficits.

Main Methods:

  • Review of recent psychoacoustic studies examining auditory temporal processing in aging.

Related Experiment Videos

  • Analysis of temporal phenomena including temporal resolution, duration discrimination, and sequential processing.
  • Comparison of performance measures between elderly and younger listeners.
  • Assessment of the impact of presbycusis (age-related hearing loss) on temporal processing deficits.

    • Main Results:

    • Evidence suggests age-related deficits in auditory temporal processing across various measures.
    • These deficits are often independent of the presence of age-related hearing loss (presbycusis).
    • The severity of age-related temporal processing impairments correlates with stimulus complexity and task difficulty.

    Conclusions:

    • Auditory temporal processing abilities decline with age, independent of hearing sensitivity.
    • Complex auditory environments and demanding listening tasks exacerbate age-related temporal processing deficits.
    • Further research is needed to understand the neural mechanisms underlying these age-related changes.