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Related Concept Videos

Hearing01:31

Hearing

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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Related Experiment Video

Updated: Jul 17, 2026

Semi-Automated Analysis of Peak Amplitude and Latency for Auditory Brainstem Response Waveforms Using R
06:01

Semi-Automated Analysis of Peak Amplitude and Latency for Auditory Brainstem Response Waveforms Using R

Published on: December 9, 2022

Evaluating peripheral neural processing through spectral analysis of auditory brainstem responses.

Bruna S Mussoi1, Mark Hedrick1

  • 1Department of Audiology and Speech Pathology, University of Tennessee Health Science Center, Knoxville, Tennessee 37996, USA.

JASA Express Letters
|July 15, 2026
PubMed
Summary

Spectral-domain auditory brainstem responses (ABR) analysis objectively quantifies neural responses. Aging impacts the ABR spectrum, offering insights into peripheral auditory processing regardless of hearing sensitivity.

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Semi-Automated Analysis of Peak Amplitude and Latency for Auditory Brainstem Response Waveforms Using R
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Published on: December 9, 2022

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Area of Science:

  • Neuroscience
  • Audiology
  • Signal Processing

Background:

  • Auditory brainstem responses (ABR) are crucial for assessing peripheral auditory processing.
  • Traditional time-domain ABR analysis relies on waveform peaks.
  • Spectral-domain ABR analysis offers objective quantification and potentially novel insights.

Purpose of the Study:

  • To compare time-domain and spectral-domain ABR features.
  • To investigate the effects of aging on the spectral-domain ABR.
  • To determine the relationship between spectral and time-domain ABR measures.

Main Methods:

  • Analysis of auditory brainstem responses (ABR) in the spectral domain.
  • Comparison of spectral-domain features (amplitude peaks, phase-based group delays) with time-domain features (wave amplitude, latency).
  • Characterization of age-related changes in the ABR spectrum.

Main Results:

  • Spectral-domain ABR amplitude peaks correlated strongly with time-domain ABR wave amplitude.
  • Spectral phase-based group delays were strongly associated with time-domain ABR latency.
  • Significant effects of aging were observed on the ABR spectrum, independent of hearing sensitivity.

Conclusions:

  • Spectral-domain ABR analysis provides objective and valuable information about neural processing.
  • Aging significantly affects the spectral characteristics of ABRs.
  • These findings support further research into spectral-domain ABR for auditory assessment.