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The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

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...
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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.
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In humans, the photoreceptor cells of the eye and sensory hair cells of the ear lack stem cells. These cells are thus unrenewable and cannot be replaced when they are damaged or destroyed.
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Perception of Sound Waves01:01

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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.
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Updated: May 24, 2026

Cryosectioning and Immunostaining Mouse Inner Ear Tissue: From Embryonic to Adult Stages
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[Hearing loss of aging].

Akihiro Homma1, Norihito Takeichi, Takashi Tsubuku

  • 1Department of Otolaryngology-Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo 060-8638, Japan.

[Hokkaido Igaku Zasshi] the Hokkaido Journal of Medical Science
|March 3, 2012
PubMed
Summary

Age-related hearing loss is common. This symposium covered ear anatomy, diseases, and the importance of clear communication and personalized hearing aids for the elderly.

Area of Science:

  • Otolaryngology
  • Gerontology

Context:

  • Aging is associated with a natural decline in auditory function.
  • Hearing impairment significantly impacts quality of life.
  • Understanding the aging auditory system is crucial for effective intervention.

Purpose:

  • To review the anatomy and physiology of the aging ear.
  • To discuss common diseases causing hearing disturbances.
  • To highlight strategies for managing age-related hearing loss.

Summary:

  • The symposium detailed ear anatomy and physiology, followed by an overview of hearing-impairing diseases.
  • Emphasis was placed on age-related hearing loss, with recommendations for slow, clear speech.
  • The role and advancements in hearing aid technology, including individual tuning, were presented.

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Cochlear Surface Preparation in the Adult Mouse
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Cochlear Surface Preparation in the Adult Mouse

Published on: November 6, 2019

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Last Updated: May 24, 2026

Cryosectioning and Immunostaining Mouse Inner Ear Tissue: From Embryonic to Adult Stages
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Cochlear Surface Preparation in the Adult Mouse
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Cochlear Surface Preparation in the Adult Mouse

Published on: November 6, 2019

Impact:

  • Provides insights into age-related hearing loss.
  • Offers practical communication strategies for interacting with the elderly.
  • Underscores the importance of tailored hearing aid solutions.