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The Cochlea

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.

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Bode Plots

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Related Experiment Video

Updated: Jul 11, 2026

Performing Intracochlear Electrocochleography During Cochlear Implantation

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

The guide to plotting a cochleogram.

Agneta Viberg¹, Barbara Canlon

¹Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden.

Hearing Research

|October 27, 2004

Summary

This summary is machine-generated.

Standardizing cochleograms is crucial for accurately illustrating hair cell loss. Plotting basilar membrane length in percent and specifying frequency-place equations ensures consistent, reliable data for auditory research.

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Area of Science:

Auditory Neuroscience
Otoacoustic Emissions
Hair Cell Biology

Background:

Cochleograms visualize hair cell loss but lack standardized plotting procedures.
Variations in basilar membrane length necessitate consistent measurement methods.

Purpose of the Study:

To propose standardized procedures for creating cochleograms.
To ensure accurate representation of hair cell loss and frequency mapping.

Main Methods:

Plotting basilar membrane length as a percentage of total length.
Stating the specific frequency-place equation used for mapping.
Normalizing varying basilar membrane lengths to percentage before averaging.

Main Results:

Standardization ensures consistent data representation across studies.
Accurate frequency-place mapping is achievable with defined procedures.

Conclusions:

Implementing standardized cochleogram plotting enhances data reliability.
Consistent methodology is vital for comparative auditory research and understanding hearing loss.