Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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.

Anatomy of the Ear

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...

Hair Cells

Hair Cells

Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Integrating Computational Modelling into the Ecosystem of Cochlear Implantation: Advancing Access to Diagnostics, Decision-Making, and Post-Implantation Outcomes on a Global Scale.

Journal of clinical medicine·2025

Same author

Correction: Parameterisation and Prediction of Intra-canal Cochlear Structures.

Annals of biomedical engineering·2025

Same author

Can a Cochlear Implant Be Used as an Electrical Impedance Tomography Device?

International journal for numerical methods in biomedical engineering·2025

Same author

Facial nerve stimulation in a post-meningitic cochlear implant user: using computational modelling as a tool to probe mechanisms and progression of complications on a case-by-case basis.

Cochlear implants international·2020

Same author

Analysis of a purely conductance-based stochastic nerve fibre model as applied to compound models of populations of human auditory nerve fibres used in cochlear implant simulations.

Biological cybernetics·2017

Search research articles

Related Experiment Video

Updated: Jul 6, 2025

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion

Published on: January 17, 2025

Parameterisation and Prediction of Intra-canal Cochlear Structures.

Joshua Thiselton¹, Tania Hanekom²

¹Bioengineering, Department of Electrical, Electronic and Computer Engineering, University of Pretoria, Lynnwood Road, Pretoria, 0002, Gauteng, South Africa.

Annals of Biomedical Engineering

|January 2, 2024

Summary

This summary is machine-generated.

Accurate 3D cochlear models aid research by predicting spiral lamina geometry. This method enhances understanding of electrode-nerve fiber interactions in cochlear implants.

Keywords:

Anatomic landmarks Anatomic model Cochlear duct Cochlear implant

More Related Videos

Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol

Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol

Published on: August 18, 2023

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

Related Experiment Videos

Last Updated: Jul 6, 2025

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion

Published on: January 17, 2025

Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol

Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol

Published on: August 18, 2023

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

Area of Science:

Biomedical Engineering
Neuroscience
Medical Imaging

Background:

Accurate 3D cochlear models are crucial for understanding electrode array and nerve fiber interactions.
The internal geometry of the cochlear canal significantly impacts this relationship.
Existing methods for geometry prediction rely on histologic sections and equation fitting.

Purpose of the Study:

To develop an improved method for predicting cochlear geometry, specifically the spiral lamina.
To enhance the accuracy of landmark localization in the apical cochlear region.
To generate 2D geometries for 3D model expansion when high-resolution imaging is unavailable.

Main Methods:

Utilizing histologic sections to measure cochlear canal geometry.
Fitting equations to predict geometric parameters.
Employing a parameter sensitivity analysis to identify influential geometric features.
Developing a novel landmark prediction method for the spiral lamina.

Main Results:

Parameter sensitivity analysis identified spiral lamina size and location as key factors influencing current distribution.
The proposed landmark prediction method demonstrated superior accuracy in locating spiral lamina points in the apical cochlea compared to previous approaches.
The technique enables the generation of 2D geometries suitable for 3D model reconstruction.

Conclusions:

The novel landmark prediction technique improves the accuracy of cochlear model geometry, particularly the spiral lamina.
This advancement facilitates more precise modeling of electrode-nerve fiber relationships for cochlear implant research.
The method provides a viable approach for creating 3D cochlear models even without high-resolution imaging data.