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Related Concept Videos

Hearing01:31

Hearing

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.
Auditory Pathway01:15

Auditory Pathway

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 the...
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...
The Cochlea01:13

The Cochlea

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.
Perception of Sound Waves01:01

Perception of Sound Waves

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 frequency...
Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...

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A case discussion on presbyacusis.

Savita S Angadi1, Vijaykumar S Kotrannavar

  • 1Department of Shalakya Tantra, K.L.E. University's Shri. B.M.K. Ayurveda Mahavidyalaya, Shahapur, Belgaum, Karnataka, India.

Journal of Ayurveda and Integrative Medicine
|June 7, 2013
PubMed
Summary
This summary is machine-generated.

Presbyacusis, or age-related hearing loss, is a common issue in elders. Ayurvedic treatment, Karnapurana, shows promise in managing this condition, offering an alternative to hearing aids.

Keywords:
Bilwa tailakarnabaadhiryakarnapuranapresbyacusis

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Area of Science:

  • Gerontology
  • Otolaryngology
  • Ayurvedic Medicine

Background:

  • Presbyacusis, or age-related hearing loss, is a significant socio-medical problem and the third most common chronic condition among elders.
  • Hearing impairment leads to frustration, loneliness, and depression, impacting daily communication and safety.
  • Conventional hearing aids may not be a perfect solution for all individuals due to various fitting and adjustment issues.

Purpose of the Study:

  • To explore the effectiveness of Ayurvedic treatment for presbyacusis.
  • To present a case study of Karnapurana's application in managing age-related hearing loss and tinnitus.

Main Methods:

  • Review of Ayurvedic classics describing ear diseases and treatments.
  • Clinical observation of Karnapurana (medicated oil instillation) for presbyacusis management.
  • Case report detailing a 75-year-old male with hearing loss and tinnitus treated with Karnapurana.

Main Results:

  • Karnapurana is identified as a major treatment for ear diseases in Ayurvedic texts.
  • Clinical observations suggest effectiveness in managing presbyacusis.
  • The case report illustrates the application and potential benefits in an elderly patient.

Conclusions:

  • Karnapurana is a potential Ayurvedic therapeutic intervention for presbyacusis.
  • Further clinical studies are warranted to validate the efficacy of Karnapurana for age-related hearing loss.
  • Ayurvedic treatments offer complementary or alternative options for managing hearing impairment in the elderly.