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Some effects of aging on central auditory processing.

Jeffrey S Martin1, James F Jerger

  • 1School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA.

Journal of Rehabilitation Research and Development
|February 14, 2006
PubMed
Summary
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Aging affects seniors' ability to understand speech, especially with background noise. Research shows age-related declines in central auditory processing and interhemispheric communication contribute to these listening difficulties.

Area of Science:

  • Neuroscience
  • Audiology
  • Gerontology

Background:

  • Older adults experience increased difficulty with speech comprehension, particularly in noisy settings.
  • Peripheral hearing loss accounts for some age-related listening issues, but cognitive and central auditory processing declines also play a role.

Purpose of the Study:

  • To investigate the impact of aging on central auditory mechanisms.
  • To review research on age-related deficits in temporal processing.
  • To summarize findings on aging and dichotic listening performance.

Main Methods:

  • Review of existing research on central auditory processing and aging.
  • Analysis of behavioral data on dichotic listening.
  • Examination of event-related potentials (ERPs) related to auditory processing in seniors.

Related Experiment Videos

Main Results:

  • Age-related deficits in temporal processing are linked to central auditory system changes.
  • Dichotic listening performance in seniors reveals impairments in interhemispheric information transfer.
  • Event-related potential data suggest age-related alterations in auditory pathway functioning.

Conclusions:

  • Age-related declines in interhemispheric information processing contribute to speech understanding difficulties in older adults.
  • Central auditory processing deficits are a significant factor in age-related hearing impairments.
  • Findings have implications for audiological rehabilitation strategies for seniors.