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Related Concept Videos

Auditory Pathway01:15

Auditory Pathway

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.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
Auditory Perception01:17

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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 cochlea, a...
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Brainstem

The brainstem, located inferior to the brain and superior to the spinal cord, serves as a bridge between the cerebrum and the spinal cord. It plays a vital role in relaying information and controlling critical life functions. It comprises three primary regions: the midbrain, pons, and medulla oblongata.
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Infant Auditory Processing and Event-related Brain Oscillations
06:34

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Published on: July 1, 2015

Timing is everything: temporal processing deficits in the aged auditory brainstem.

Joseph P Walton1

  • 1Department of Otolaryngology, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642-8629, USA. joseph_walton@URMC.rochester.edu

Hearing Research
|March 23, 2010
PubMed
Summary
This summary is machine-generated.

Aging impairs auditory brainstem temporal processing, affecting speech recognition. This review details age-related declines in encoding sound features, impacting elderly listeners.

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Area of Science:

  • Neuroscience
  • Auditory Neuroscience
  • Aging Research

Background:

  • Age-related hearing loss is common.
  • Temporal processing is crucial for speech perception.
  • The auditory brainstem plays a key role in processing sound timing.

Purpose of the Study:

  • To review literature on neural mechanisms of age-related changes in auditory temporal processing.
  • To examine static and dynamic temporal processing in the aging auditory brainstem.
  • To relate these changes to speech perception deficits in older adults.

Main Methods:

  • Literature review of physiological studies.
  • Analysis of neural responses to acoustic stimuli (gap detection, masking, amplitude/frequency modulation).
  • Comparison of young and old animal models.

Main Results:

  • Evidence indicates an age-related decline in encoding temporal sound features.
  • Deficits observed in both static and dynamic temporal processing.
  • Neural processing of sound timing is compromised with age.

Conclusions:

  • Age-related decline in auditory brainstem temporal processing contributes to speech recognition difficulties in the elderly.
  • Understanding these neural correlates is vital for addressing age-related auditory challenges.
  • Further research is needed to develop interventions for auditory processing deficits.