Causes Of Severe Hearing Loss

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Hearing loss occurs when there is a problem with one or more parts of the ear or ears. Something inside the ear is not working correctly or as well as it should. To understand hearing loss it is important to understand how normal hearing takes place.


The ear is made up of three different sections: the outer ear, the middle ear, and the inner ear. The outer ear picks up sound waves and the waves then travel through the outer ear canal. When the sound waves hit the eardrum in the middle ear, the eardrum starts to vibrate. The vibrations then travel to the cochlea, which is filled with liquid and lined with cells that have thousands of tiny hairs on their surfaces. There are two types of hair cells: the outer and inner cells. The sound vibrations make the tiny hairs move. The outer hair cells take the sound information, amplify it (make it louder), and tune it. The inner hair cells send the sound information to your hearing nerve, which then sends it to your brain, allowing you to hear... Read more from: Causes Of Severe Hearing Loss