Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: May 26, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

Cochlear blood flow and speech perception ability in cochlear implant users.

Tsutomu Nakashima1, Taku Hattori, Michihiko Sone

  • 1Nagoya University Graduate School of Medicine, Nagoya, Japan. tsutomun@med.nagoya-u.ac.jp

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|January 5, 2012
PubMed
Summary

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.

You might also read

Related Articles

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

Sort by
Same author

Synthesis of thienoacenes by electrochemical double C-S cyclization using a halogen mediator.

Communications chemistry·2025
Same author

Bioinspired Electrochemical Cyclization toward the Divergent Synthesis of Mavacurane- and Akuammiline-Type Alkaloids.

Organic letters·2025
Same author

Synthesis of <i>N</i>,<i>O</i>-Bidentate Difluoroboron Complexes via Iodide-Promoted Demethylative Borylation.

Organic letters·2025
Same author

Electrochemical Generation of Sulfonamidyl Radicals via Anodic Oxidation of Hydrogen Bonding Complexes: Applications to Electrosynthesis of Benzosultams.

JACS Au·2025
Same author

Transformation of α,β-Unsaturated Aldehydes with a Small Amount of Electricity: Cyanosilylation, Isomerization, and Nucleophilic Addition.

Organic letters·2025
Same author

Cyanomethylation of Aldehydes on an Electrochemical Microflow System and Utility of Machine Learning-Assisted Examination of the Reaction Conditions.

Chemistry (Weinheim an der Bergstrasse, Germany)·2025

Cochlear blood flow (CBF) did not predict speech perception in cochlear implant (CI) users. However, longer duration of deafness negatively impacts speech outcomes in CI recipients.

Area of Science:

  • Otolaryngology
  • Neuroscience
  • Biomedical Engineering

Background:

  • The relationship between cochlear blood flow (CBF) and speech perception in cochlear implant (CI) users remains largely unexplored.
  • Understanding factors influencing CI success is crucial for improving auditory rehabilitation.

Purpose of the Study:

  • To investigate the influence of various factors, including CBF, on speech perception abilities in individuals with cochlear implants.
  • To determine if CBF measured during surgery can predict postoperative speech perception outcomes.

Main Methods:

  • Eighty-two patients undergoing cochlear implant surgery were included.
  • Cochlear blood flow (CBF) was measured intraoperatively using laser Doppler flowmetry.
  • Speech perception levels were assessed post-surgery, with multivariate analysis examining age, deafness duration, sex, cause of deafness, and CBF.

Related Experiment Videos

Last Updated: May 26, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

Main Results:

  • CBF showed a significant decline with age but did not correlate with speech perception levels.
  • In congenital hearing loss cases, delayed CI implantation (3 years vs. ≤2 years) resulted in poorer speech perception.
  • A longer duration of deafness prior to CI surgery negatively impacted speech perception outcomes.

Conclusions:

  • While CBF may relate to hearing loss progression, its intraoperative measurement is not a reliable predictor of postoperative speech perception.
  • Factors like age at implantation and duration of deafness are critical determinants of speech perception success in CI users.