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Related Concept Videos

The Cochlea01:13

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.
Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
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 3, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
06:54

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Published on: August 4, 2023

Tinnitus after cochlear implantation.

Ozgur Akdogan1, Ibrahim Ozcan, Cem Ozbek

  • 1Ankara Numune Education and Research Hospital, Turkey. drozgurakdogan@gmail.com

Auris, Nasus, Larynx
|July 11, 2008
PubMed
Summary

This study examined new-onset tinnitus in cochlear implant recipients. Tinnitus frequencies were 4-6KHz, with a mean loudness of 17.5dB SL, highlighting the need for patient counseling.

Area of Science:

  • Audiology
  • Otorhinolaryngology
  • Neuroscience

Background:

  • Tinnitus is a common auditory perception.
  • Cochlear implantation is a treatment for severe to profound hearing loss.
  • New-onset tinnitus can occur after cochlear implantation.

Purpose of the Study:

  • To investigate the characteristics of tinnitus that emerges after cochlear implantation.
  • To assess the frequency and loudness of post-implantation tinnitus.

Main Methods:

  • Four adult patients with no pre-implantation tinnitus were included.
  • Patients completed a questionnaire on their tinnitus experience.
  • Tinnitus matching was performed using an Interacoustic Clinical Audiometer.

Related Experiment Videos

Last Updated: Jul 3, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
06:54

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Published on: August 4, 2023

Main Results:

  • Tinnitus frequency was identified as 4KHz in three patients and 6KHz in one.
  • The mean loudness score for tinnitus was 17.5dB SL.

Conclusions:

  • The study underscores the necessity of informing patients about the risk of developing tinnitus post-cochlear implantation.
  • Counseling is crucial for managing patient expectations and potential side effects.