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 Concept Videos

Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by identifying...
Sound Intensity Level00:53

Sound Intensity Level

Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and hence a...
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...

You might also read

Related Articles

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

Sort by
Same author

Does simple impedance reflect intrascalar tissue in the implanted cochlea?

Hearing research·2025
Same author

Contributions of Auditory Nerve Density and Synchrony to Speech Understanding in Older Cochlear Implant Users.

Journal of the Association for Research in Otolaryngology : JARO·2025
Same author

Reexamining the effects of electrode location on measures of neural health in cochlear implant users.

JASA express letters·2023
Same author

Development and Beta Testing of Serious Game-Based Auditory Training Application to Enhance Perceptual Learning of Speech in Cochlear Implant Recipients.

American journal of audiology·2023
Same author

Association of Aging and Cognition With Complex Speech Understanding in Cochlear-Implanted Adults: Use of a Modified National Institutes of Health (NIH) Toolbox Cognitive Assessment.

JAMA otolaryngology-- head & neck surgery·2023
Same author

Cochlear Health and Cochlear-implant Function.

Journal of the Association for Research in Otolaryngology : JARO·2023

Related Experiment Video

Updated: Jun 5, 2026

Performing Intracochlear Electrocochleography During Cochlear Implantation
09:10

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

Relationship between gap detection thresholds and loudness in cochlear-implant users.

Soha N Garadat1, Bryan E Pfingst

  • 1Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan, 1150 West Medical Center Drive, Ann Arbor, MI 49109-5616, USA.

Hearing Research
|December 21, 2010
PubMed
Summary

Gap detection threshold (GDT) in cochlear implant (CI) users varies by stimulation site. This study found that loudness perception influences GDT variations, suggesting improved CI fitting through loudness matching could enhance temporal acuity.

More Related Videos

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

Related Experiment Videos

Last Updated: Jun 5, 2026

Performing Intracochlear Electrocochleography During Cochlear Implantation
09:10

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

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

Area of Science:

  • Auditory Neuroscience
  • Biomedical Engineering
  • Speech and Hearing Science

Background:

  • Gap detection threshold (GDT) measures temporal acuity in cochlear implant (CI) recipients.
  • GDT exhibits significant variation across subjects and stimulation sites within individuals.

Purpose of the Study:

  • To investigate if increased stimulation levels reduce across-site GDT variation.
  • To assess the relationship between GDT variation at low levels and loudness percepts.
  • To determine if loudness matching can decrease across-site GDT differences.

Main Methods:

  • Measured GDT and loudness at all electrode sites in postlingually deaf adults.
  • Surveyed GDT at 30% of dynamic range (DR) across sites.
  • Selected sites with largest GDT difference for GDT and loudness matching across multiple DR levels (10-90%).

Main Results:

  • Observed variations in GDT and loudness across sites and subjects.
  • GDT variations across sites decreased with higher stimulation levels.
  • Stimuli were perceived louder at sites with better GDTs at equivalent %DR levels.

Conclusions:

  • Loudness perception is a significant factor contributing to across-site GDT variations in CI users.
  • More detailed loudness matching in CI fitting may reduce GDT variability and improve perceptual acuity.