Youtube Hearing Test Measures Damage To Inner Ear; Are You The Same Age As Your Eardrums?

on August 16, 2013 2:18 PM EDT

headphones
Hearing loss is partly a result of a degradation in the inner ear's hair cells, which are the first to encounter high frequencies as they pass through the ear. (Photo: Flickr, Kashirin Nickolai)

Headphones and nonoccupational noise have long been the usual suspects in both lawmakers' and mothers' plans to reduce harm to people's ears. Noise volume and duration of exposure can, over time, damage a person's inner ear, making it difficult or impossible to hear frequencies at the extreme.

People above certain ages lose the ability to hear high frequencies primarily because nerves inside the ear - called hair cells - degrade as people age. When sound hits a person's ear, the entering waves cause the ear drum to vibrate and send a string of vibrations through tiny bones in the ear, the cochlea, and into the hair cells, which eventually turn the sound vibrations into electrical impulses destined for the brain. As these hair cells are the first to encounter high frequencies, those frequencies are the first to go once the cells deteriorate.

Like Us on Facebook

Unlike other organs, the organ in the inner ear - called the Organ of Corti - doesn't regenerate.

Read more at MedicalDaily.com.

© 2012 iScience Times All rights reserved. Do not reproduce without permission.

Join the Conversation

Sponsored From Around the Web

    ZergNet
Follow iScience Times
us on facebook RSS
 
us on google
 
Most Popular
INSIDE iScience Times
Do Dolphins Get High? BBC Cameras Catch Dolphins Chewing On Pufferfish Toxins
Do Dolphins Get High? BBC Cameras Catch Dolphins Chewing On Pufferfish Toxins
How Many Ways Can You Tie A Tie?
How Many Ways Can You Tie A Tie?
Ribbon Of Charged Particles At Solar System's Edge Acts Like A Wind Sock For Interstellar Magnetism
Ribbon Of Charged Particles At Solar System's Edge Acts Like A Wind Sock For Interstellar Magnetism
How to Turn Your Tap Water Faucet  Into a Coffee Spout [VIDEO]
How to Turn Your Tap Water Faucet Into a Coffee Spout [VIDEO]
Coolest Science Photos Of 2013: From Blobfish To Two-Headed Shark, Comet ISON To Mars Selfie
Coolest Science Photos Of 2013: From Blobfish To Two-Headed Shark, Comet ISON To Mars Selfie
This Is A Scientifically-Proven Rock-Paper-Scissors Winning Strategy (But If Your Opponent Uses It Too, It's A Draw)
This Is A Scientifically-Proven Rock-Paper-Scissors Winning Strategy (But If Your Opponent Uses It Too, It's A Draw)