Partial Loss And Total Loss Essay
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April 14, Conductive hearing loss is a type of hearing loss that occurs when sound is unable to pass through the outer and middle ear to the inner ear. Every sound you hear passes through various steps where the sound waves are changed into electrical signals.
When Ttoal waves in the air get into the outer ear, they travel through the ear canal and get to the eardrum. When the eardrum receives the sound waves, it begins to vibrate. These vibrations are sent to these tiny bones malleus, incus, and stapes located in the middle ear.
Causes of Conductive Hearing Loss
These tiny bones amplify the sound of the vibrations and then send them to an organ in the inner ear known as the cochlea. The cochlea is filled with fluid.
This fluid begins to ripple when the vibration gets to it. This rippling causes a traveling wave to form along the basilar membrane. The basilar membrane is an elastic partition that splits the cochlea into the upper and lower part. It is the base on which the cochlea sits. When the wave is formed on the basilar membrane, the hair cells in Partlal inner ear detect the vibration and begin to move up and down.
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As the hair cells move up and down, their projections, known as stereocilia, bump against the overlying structure and bend. When the bend, the stereocilia open up, a chemical rushes into the cells; this creates an electric signal.
The auditory nerve carries this electric signal to the brain. The brain then interprets the electric signals into recognizable and understandable sounds. Having understood the detailed process of how hearing occurs, you must have already discovered the key role played by the outer and middle ear.]
Also what as a result?
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