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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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Related Experiment Video

Updated: May 11, 2026

Robotic Cochlear Implantation for Direct Cochlear Access

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

[Cochlear implants for the patients with cochlear nerve defects].

Lingxiang Hu¹, Hao Wu, Qi Huang

¹Department of Otorhinolaryngology-Head and Neck Surgery, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 200092 Shanghai, China.

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Journal of Clinical Otorhinolaryngology Head and Neck Surgery

|May 8, 2013

Summary

This summary is machine-generated.

Cochlear implants yield poor results in children with cochlear nerve defects. High-resolution computed tomography (HRCT) and magnetic resonance imaging (MRI) help diagnose these defects, but outcomes remain disappointing.

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Cochlear Implantation in the Guinea Pig

Cochlear Implantation in the Guinea Pig

Published on: June 15, 2018

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Last Updated: May 11, 2026

Robotic Cochlear Implantation for Direct Cochlear Access

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

Cochlear Implantation in the Guinea Pig

Cochlear Implantation in the Guinea Pig

Published on: June 15, 2018

Area of Science:

Otolaryngology
Radiology
Pediatric audiology

Context:

Cochlear nerve defects present a significant challenge in pediatric hearing loss.
Accurate diagnosis is crucial for managing expectations and surgical planning.

Purpose:

To evaluate the diagnostic efficacy of HRCT and MRI for cochlear nerve defects.
To assess the outcomes of cochlear implantation in children with these defects.

Summary:

Retrospective analysis of 10 pediatric patients with cochlear nerve defects undergoing cochlear implantation.
HRCT identified IAC stenosis, while MRI revealed cochlear nerve absence or dysplasia.
Post-operative outcomes were generally poor, with limited speech development and sound responsiveness.

Impact:

Preoperative MRI, including oblique sagittal views, is essential for assessing cochlear nerve status.
Managing parental expectations regarding potential ineffectiveness of cochlear implantation is critical.