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Hearing

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 2, 2026

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

Published on: January 25, 2016

Biophysical parameters modification could overcome essential hearing gaps.

A Kern¹, C Heid, W-H Steeb

¹Institute of Neuroinformatics, University and Swiss Federal Institute of Technology Zurich, Zürich, Switzerland.

Plos Computational Biology

|September 5, 2008

Summary

This summary is machine-generated.

Hearing defects often stem from outer hair cell (OHC) malfunction. This study models the cochlea, suggesting microsurgery could bridge hearing gaps by adjusting biophysical parameters.

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Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

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Published on: January 25, 2016

A Method to Study Adaptation to Left-Right Reversed Audition

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Enhanced Cochlear Coverage and Hearing Preservation in High-Frequency Hearing Loss via Electric Acoustic Stimulation with Longer Electrode

Enhanced Cochlear Coverage and Hearing Preservation in High-Frequency Hearing Loss via Electric Acoustic Stimulation with Longer Electrode

Published on: October 11, 2024

Area of Science:

Auditory Neuroscience
Biophysics
Otoacoustic Emissions

Background:

Outer hair cells (OHCs) in the cochlea amplify sound signals; their malfunction causes most hearing defects.
Hearing loss, from various causes, impacts speech intelligibility across frequency ranges.
Current treatments do not fully restore function in damaged frequency regions.

Purpose of the Study:

To model the passive cochlea's biophysical parameters and their effect on the tonotopic map.
To explore potential therapeutic interventions for hearing loss.
To investigate the feasibility of microsurgical modifications for hearing restoration.

Main Methods:

Developed an energy-based biophysical model of the passive cochlea.
Analyzed the relationship between cochlear biophysical parameters and the tonotopic map.
Simulated the effects of localized parameter modifications.

Main Results:

The model explicitly describes how the tonotopic map depends on cochlear biophysical parameters.
Findings suggest that targeted modifications can influence the tonotopic map.
Identified potential for microsurgery to address significant gaps in the tonotopic map.

Conclusions:

Cochlear biophysical parameters critically influence the tonotopic map.
Microsurgical adjustments to these parameters offer a potential strategy for hearing restoration.
This approach may help bridge substantial gaps in hearing function caused by OHC damage.