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

You might also read

Related Articles

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

Sort by

Same author

Re: the problem with calling it "unexplained infertility".

F&S reports·2026

Same author

Cortical Auditory Neural Responses to Speech and Communicative Functioning in Normocephalic Children With Prenatal Exposure to the Zika Virus.

Ear and hearing·2026

Same author

Functional Benefits of Bilateral Bone Conduction Hearing Devices for Children and Adults With Conductive and Mixed Hearing Losses.

American journal of audiology·2026

Same author

Insights from a cross-sectional population-based study of 10,929 Australians living with Parkinson's disease: risk factors, comorbidities, and sex differences.

The Lancet regional health. Western Pacific·2026

Same author

Phonological processing, oral language abilities, and reading comprehension in children with cochlear implants.

Scientific reports·2026

Same author

Improvements in Pediatric Speech Perception in Noise Using Classifier-Based Noise Management.

American journal of audiology·2026

Same journal

Cochlear Implantation in Children Without a Hearing Aid Trial: A Case Series of 22 Patients.

American journal of audiology·2026

Same journal

Associations Between Self-Reported Workload and Measures of Speech Recognition in Adults Across the Lifespan.

American journal of audiology·2026

Same journal

Emotion-Specific Associations Between Perceived Sound Quality and Auditory Emotion Recognition in Children With Cochlear Implants.

American journal of audiology·2026

Same journal

Development and Validation of Modified Basic English Lexicon Sentences for Use With a Pediatric Population.

American journal of audiology·2026

Same journal

Risk of Noise-Induced Hearing Loss: A Survey of Texas Shop Teachers.

American journal of audiology·2026

Same journal

Auditory Spatial Processing in Patients With Vestibular Migraine.

American journal of audiology·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Sep 23, 2025

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

Changes in Acoustic Absorbance Pre- and Post-Cochlear Implantation.

Jordan M Racca^1,2, Laura L Jones³, Robert T Dwyer^1,4

¹Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, Nashville, TN.

American Journal of Audiology

|May 13, 2022

Summary

This summary is machine-generated.

Cochlear implantation stiffens the middle ear, reducing low-frequency sound absorption. These changes persist for at least six months post-surgery, impacting hearing.

More Related Videos

Performing Intracochlear Electrocochleography During Cochlear Implantation

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

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

Related Experiment Videos

Last Updated: Sep 23, 2025

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

Performing Intracochlear Electrocochleography During Cochlear Implantation

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

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

Area of Science:

Otoacoustic emissions
Middle ear mechanics
Auditory system physiology

Background:

Limited research exists on cochlear implantation's effects on middle-ear acoustic transmission.
Previous studies indicate cochlear implantation reduces low-frequency acoustic absorbance, suggesting increased middle-ear stiffness post-surgery.

Purpose of the Study:

To investigate the temporal changes in acoustic absorbance in the implanted ear after cochlear implantation.
To compare acoustic absorbance changes between implanted and non-implanted ears over time.

Main Methods:

Wideband acoustic absorbance was measured in 17 adult cochlear implant recipients.
Measurements were taken in both ears at multiple time points, from pre-implantation up to 6 months post-activation.
Analyses compared pre-implantation absorbance and differences between implanted and non-implanted ears.

Main Results:

Acoustic absorbance decreased significantly for frequencies below 1.5 kHz in the implanted ear, persisting for at least 6 months.
The frequency range of reduced absorbance narrowed over time post-surgery.
Differences in absorbance between ears were observed broadly at activation and persisted for 3 months, narrowing spectrally over time.

Conclusions:

Cochlear implantation increases middle-ear stiffness, evidenced by reduced low-frequency acoustic absorbance.
Findings support previous research and may inform spatial hearing understanding and device programming for combined stimulation.