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Related Concept Videos

Hearing01:31

Hearing

52.5K
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.
52.5K
Auditory Pathway01:15

Auditory Pathway

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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...
5.5K
The Cochlea01:13

The Cochlea

45.2K
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.
45.2K
Auditory Perception01:17

Auditory Perception

364
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...
364
Hair Cells01:22

Hair Cells

40.7K
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.
40.7K

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Related Experiment Video

Updated: Jul 18, 2025

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

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

Published on: January 25, 2016

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New horizons in hearing conditions.

Helen Henshaw1,2, Sian Calvert1,2, Eithne Heffernan1,2

  • 1National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham NG1 5DU, UK.

Age and Ageing
|August 21, 2023
PubMed
Summary

Hearing loss and related conditions are common, impacting millions and linked to dementia. Research gaps exist, particularly for tinnitus, hyperacusis, and the Deaf community, highlighting needs for patient-centered care.

Keywords:
hearing losshyperacusisinterprofessional careolder peopletinnitus

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Area of Science:

  • Gerontology
  • Audiology
  • Public Health

Background:

  • Hearing conditions like hearing loss, tinnitus, and hyperacusis are prevalent, significantly affecting communication and quality of life.
  • Multiple factors contribute to hearing impairment, including genetics, noise exposure, aging, and lifestyle.
  • Hearing loss is a significant global health issue, particularly in older adults, and is associated with other chronic conditions and dementia risk.

Purpose of the Study:

  • To review and synthesize existing research on hearing conditions published in Age and Ageing from 2000 onwards.
  • To identify key themes and gaps in the current body of knowledge regarding hearing healthcare and research.
  • To propose future research directions and advancements in patient-centered hearing healthcare.

Main Methods:

  • A systematic search was conducted for articles on hearing conditions published in the journal Age and Ageing since 2000.
  • 22 relevant articles were selected and analyzed for their focus on hearing healthcare and research topics.
  • The review specifically noted the absence of primary research on tinnitus, hyperacusis, the Deaf community, and cochlear implant users.

Main Results:

  • The collected articles predominantly focused on hearing loss, covering aspects like noise-induced hearing loss, service quality, and psychosocial consequences.
  • A significant gap was identified in research focusing on specific conditions like tinnitus and hyperacusis.
  • There was a lack of research addressing the health of older individuals from the Deaf community and cochlear implant users.

Conclusions:

  • Future research should prioritize patient-centered approaches and address identified knowledge gaps concerning specific hearing conditions and diverse patient populations.
  • Integration of health and care services, along with cross-specialty collaboration, is crucial for advancing hearing healthcare.
  • Novel directions in research and practice are needed to improve hearing healthcare outcomes and address the multifaceted nature of hearing conditions.