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Related Concept Videos

The Cochlea01:13

The Cochlea

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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.
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Anatomy of the Ear01:16

Anatomy of the Ear

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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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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...
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Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery
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Conversations in Cochlear Implantation: The Inner Ear Therapy of Today.

Grant Rauterkus1, Anne K Maxwell2, Jacob B Kahane2

  • 1Tulane University School of Medicine, New Orleans, LA 70112, USA.

Biomolecules
|May 28, 2022
PubMed
Summary

Cochlear implants (CI) advance hearing restoration for profound hearing loss. Understanding CI technology is crucial for developing future biomolecular and pharmacological inner ear therapeutics.

Keywords:
cochlear implantationhearing loss

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Area of Science:

  • Otolaryngology
  • Biomedical Engineering
  • Regenerative Medicine

Background:

  • Profound sensorineural hearing loss necessitates advanced treatment options.
  • Cochlear implants (CI) have significantly evolved over four decades, improving hearing restoration.
  • Biomolecular approaches are emerging as complementary or alternative strategies.

Purpose of the Study:

  • To provide a comprehensive overview of the current state of cochlear implantation.
  • To analyze the advantages, disadvantages, and future potential of CI technology.
  • To guide the development of next-generation inner ear therapeutics by integrating CI insights.

Main Methods:

  • Review of current cochlear implant technology, surgical approaches, and electrode arrays.
  • Analysis of successes, physiological constraints, and barriers to CI utilization.
  • Comparative assessment of cochlear implantation with biomolecular and pharmacological strategies.

Main Results:

  • Modern cochlear implants offer effective hearing restoration but have physiological limitations.
  • Advances in technology, surgery, and healthcare delivery have driven CI evolution.
  • Opportunities exist for improving CI design and delivery for future therapeutics.

Conclusions:

  • Integrating cochlear implant knowledge is vital for advancing biomolecular hearing restoration.
  • Combining CI with biomolecular approaches holds promise for addressing unmet medical needs.
  • Further progress in inner ear therapeutics can be achieved by addressing CI strengths and weaknesses.