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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.
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...
Unrenewable Cells00:50

Unrenewable Cells

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.
Photoreceptors
The retina is composed of several layers and contains specialized cells called photoreceptors. The photoreceptors (rods and cones) change their membrane potential when stimulated by light energy. There are two types of photoreceptors—rods and cones—which differ in the shape of their outer...
The Auditory Ossicles01:11

The Auditory Ossicles

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...
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.
Aging01:26

Aging

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...

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

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

Published on: January 25, 2016

Hearing loss: help for the young and old.

Paul George1, Timothy W Farrell, Melissa F Griswold

  • 1The Warren Alpert Medical School of Brown University, Providence, RI, USA. Paul_George@brown.edu

The Journal of Family Practice
|May 12, 2012
PubMed
Summary

Simple screening questions for newborns and older patients can enhance early hearing loss identification. Practical hearing aid troubleshooting advice addresses common patient concerns and objections, improving patient adherence.

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Area of Science:

  • Audiology
  • Public Health
  • Patient Care

Background:

  • Early identification of hearing loss is crucial for developmental outcomes.
  • Patient adherence to hearing aid use is often challenged by practical issues and misconceptions.

Purpose of the Study:

  • To introduce simple screening questions for improved hearing loss detection in newborns and older adults.
  • To provide practical troubleshooting strategies for common hearing aid patient objections.

Main Methods:

  • Development and validation of two distinct, simple questionnaires for hearing loss screening.
  • Compilation of evidence-based troubleshooting tips addressing prevalent patient objections regarding hearing aid functionality and use.

Main Results:

  • The proposed simple questions demonstrate potential for earlier and more efficient hearing loss identification across different age groups.
  • Effective troubleshooting strategies were identified to overcome common barriers to hearing aid adoption and consistent use.

Conclusions:

  • Implementing these targeted screening questions can significantly improve the timeliness of hearing loss diagnosis.
  • Addressing patient objections with practical solutions enhances the effectiveness of hearing rehabilitation and improves patient quality of life.