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

The Auditory Ossicles01:11

The Auditory Ossicles

3.2K
The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...
3.2K
Auditory Pathway01:15

Auditory Pathway

7.4K
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...
7.4K
Auditory Perception01:17

Auditory Perception

1.1K
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
1.1K
Aging01:26

Aging

714
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
714
Frequency-dependent Selection01:21

Frequency-dependent Selection

24.2K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
24.2K
The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

3.6K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
3.6K

You might also read

Related Articles

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

Sort by
Same author

Corticotrophin-releasing hormone inhibits insulin-like growth factor-I release from primary cultures of rat granulosa cells.

The Journal of endocrinology·2002
Same author

Lethal neonatal presentation of carnitine palmitoyltransferase I deficiency.

Journal of inherited metabolic disease·2002
Same author

Early diagnosis of papillary tumour of the endolymphatic sac.

The Journal of otolaryngology·2002
Same author

Volume measurement with magnetic resonance imaging of hippocampus-amygdala formation in patients with anorexia nervosa.

Journal of endocrinological investigation·2001
Same author

Effects of dietary protein restriction on fibrinogen and albumin metabolism in nephrotic patients.

Kidney international·2001
Same author

Clonal hemopoiesis and risk of thrombosis in young female patients with essential thrombocythemia.

Experimental hematology·2001
Same journal

Association between tracheo-oesophageal fistula and anti-angiogenic therapy in locally advanced/metastatic tumours. A narrative review.

Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale·2026
Same journal

Clinical utility and advances of liquid biopsy in hypopharyngeal carcinoma: a systematic review and meta-analysis.

Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale·2026
Same journal

Italian validation of the ENS6Q: a disease-specific questionnaire for empty nose syndrome.

Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale·2026
Same journal

Side correlation between subjective visual vertical tilt and symptoms in migraine with vertigo.

Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale·2026
Same journal

Italian translation, cross-cultural adaptation and validation of the Mayo Clinic Vestibular Schwannoma Quality of Life (VSQOL) Index.

Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale·2026
Same journal

A novel approach to hearing amplification: audiometric outcomes from Nuance Audio over-the-counter hearing aid glasses.

Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale·2026
See all related articles

Related Experiment Video

Updated: Feb 8, 2026

Gait Analysis of Age-dependent Motor Impairments in Mice with Neurodegeneration
07:46

Gait Analysis of Age-dependent Motor Impairments in Mice with Neurodegeneration

Published on: June 18, 2018

12.6K

[Referential value of auditory threshold depending on age]

G Giordano1

  • 1I Clinica otorinolaringoiatrica, Università di Torino.

Acta Otorhinolaryngologica Italica : Organo Ufficiale Della Societa Italiana Di Otorinolaringologia E Chirurgia Cervico-Facciale
|June 1, 1995
PubMed
Summary
This summary is machine-generated.

Defining "normal hearing" is crucial for medical and legal standards. This study establishes a reference hearing threshold for industrial workers aged 15-65, using the 90th percentile for preventive and legal applications.

More Related Videos

Optogenetic Stimulation of the Auditory Nerve
10:53

Optogenetic Stimulation of the Auditory Nerve

Published on: October 8, 2014

15.1K
Studying Age-dependent Genomic Instability using the S. cerevisiae Chronological Lifespan Model
08:46

Studying Age-dependent Genomic Instability using the S. cerevisiae Chronological Lifespan Model

Published on: September 29, 2011

16.0K

Related Experiment Videos

Last Updated: Feb 8, 2026

Gait Analysis of Age-dependent Motor Impairments in Mice with Neurodegeneration
07:46

Gait Analysis of Age-dependent Motor Impairments in Mice with Neurodegeneration

Published on: June 18, 2018

12.6K
Optogenetic Stimulation of the Auditory Nerve
10:53

Optogenetic Stimulation of the Auditory Nerve

Published on: October 8, 2014

15.1K
Studying Age-dependent Genomic Instability using the S. cerevisiae Chronological Lifespan Model
08:46

Studying Age-dependent Genomic Instability using the S. cerevisiae Chronological Lifespan Model

Published on: September 29, 2011

16.0K

Area of Science:

  • Audiology
  • Occupational Health
  • Public Health

Context:

  • The definition of

Purpose:

  • To establish a reliable reference value for

Summary:

  • This study analyzed hearing thresholds in a screened group of 15–65-year-old industrial workers residing in urban areas.
  • The subjects were homogeneous in terms of socioenvironmental factors.
  • The average bilateral threshold for frequencies between 500 and 4000 Hz was calculated, with the 90th percentile identified as the reference value.

Impact:

  • Provides a scientifically-backed reference for