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

Sound Intensity Level00:53

Sound Intensity Level

5.1K
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...
5.1K
Hearing01:31

Hearing

58.7K
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.
58.7K
Hair Cells01:22

Hair Cells

46.5K
Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.
46.5K
Perception of Sound Waves01:01

Perception of Sound Waves

6.0K
The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
6.0K
Auditory Pathway01:15

Auditory Pathway

8.9K
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...
8.9K
The Cochlea01:13

The Cochlea

52.5K
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.
52.5K

You might also read

Related Articles

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

Sort by
Same author

Acceptability of the gonorrhoea human challenge model to accelerate vaccine development in UK men.

Vaccine·2025
Same author

Promoter recognition specificity of Corynebacterium glutamicum stress response sigma factors σ<sup>D</sup> and σ<sup>H</sup> deciphered using computer modeling and point mutagenesis.

Journal of computer-aided molecular design·2024
Same author

Scintillation light detection in the 6-m drift-length ProtoDUNE Dual Phase liquid argon TPC.

The European physical journal. C, Particles and fields·2022
Same author

Prospects for beyond the Standard Model physics searches at the Deep Underground Neutrino Experiment: DUNE Collaboration.

The European physical journal. C, Particles and fields·2021
Same author

Stillbirth or neonatal death before 45 post-menstrual weeks in relation to gestational duration in pregnancies at 39 weeks of gestation or beyond: the impact of parity and body mass index. A national cohort study.

BJOG : an international journal of obstetrics and gynaecology·2021
Same author

Accelerated cortical thinning and volume reduction over time in young people at high genetic risk for bipolar disorder.

Psychological medicine·2020
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

Related Experiment Video

Updated: Mar 28, 2026

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
09:44

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

Published on: January 25, 2016

20.0K

Changes in Hearing Sensitivity Following Portable Stereo System Use.

S Pugsley, A Stuart, J Kalinowski

    American Journal of Audiology
    |December 15, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Portable stereo system (PSS) use for one hour did not significantly impair hearing sensitivity in young adults. Audiometric thresholds remained stable, suggesting limited risk from typical listening habits.

    More Related Videos

    Modified Experimental Conditions for Noise-Induced Hearing Loss in Mice and Assessment of Hearing Function and Outer Hair Cell Damage
    07:13

    Modified Experimental Conditions for Noise-Induced Hearing Loss in Mice and Assessment of Hearing Function and Outer Hair Cell Damage

    Published on: February 10, 2023

    3.0K
    Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
    11:39

    Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

    Published on: September 7, 2022

    2.7K

    Related Experiment Videos

    Last Updated: Mar 28, 2026

    Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
    09:44

    Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

    Published on: January 25, 2016

    20.0K
    Modified Experimental Conditions for Noise-Induced Hearing Loss in Mice and Assessment of Hearing Function and Outer Hair Cell Damage
    07:13

    Modified Experimental Conditions for Noise-Induced Hearing Loss in Mice and Assessment of Hearing Function and Outer Hair Cell Damage

    Published on: February 10, 2023

    3.0K
    Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
    11:39

    Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

    Published on: September 7, 2022

    2.7K

    Area of Science:

    • Audiology
    • Occupational Health
    • Acoustics

    Background:

    • Concerns exist regarding potential hearing damage from personal audio devices.
    • Understanding the impact of portable stereo systems (PSS) on hearing sensitivity is crucial.

    Purpose of the Study:

    • To investigate changes in hearing sensitivity after one hour of PSS use.
    • To determine if PSS use at preferred listening levels causes significant hearing impairment.

    Main Methods:

    • Audiometric thresholds were measured in 15 young adults before and after 1 hour of PSS use.
    • Test-retest differences (TRDs) were compared against critical TRDs derived from a control group.
    • Hearing sensitivity was assessed at eight standard audiometric frequencies (250-8000 Hz).

    Main Results:

    • Experimental subjects' TRDs did not exceed critical differences at any frequency.
    • No statistically significant decrease in hearing sensitivity was observed after PSS exposure.
    • Individual hearing threshold variations were within normal test-retest variability.

    Conclusions:

    • One hour of PSS use at preferred listening levels did not lead to measurable hearing sensitivity impairment.
    • Current PSS usage patterns, under these specific conditions, may not pose a significant risk to hearing.
    • Further research could explore longer exposure durations and higher listening levels.