сряда, 7 март 2012 г.

hearing loss
There are four basic kinds of hearing loss: 1) sensorineural 2) conductive 3) mixed hearing loss and 4) auditory neuropathy. Before we look at each type a little closer, we should look at how we hear. It is, however, a biologically sophisticated and complex process. Even before birth, we respond to sounds.
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The ear is basically divided into three parts: the outer ear (the ear canal and eardrum), the middle ear (a space behind the eardrum containing 3 bones called the ossicles) and finally, the inner ear (cochlear). Simplified – we hear through sound waves entering and traveling down our ear canal and hitting the eardrum where it vibrates causing the ossicles to vibrate which creates movement in the inner ear (of fluid and hair cells). It is movement of the tiny hair cells that sends electrical signals up the auditory or hearing nerve to the brain. The brain then interprets these signals as sound.
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how to improve hearing loss
Depending on where the complication occurs within this process determines what hearing loss symptoms you will experience. This is a direct result of the type of hearing loss you have. In order to find the right solution to improve hearing loss, finding a certified Audiologist and/or Speech-Language Pathologist (SLP) is a necessary pre-requisite. Let’s take a closer look at the four kinds of hearing loss before looking at recommended solutions to improve it.
http://improve-hearingloss.com

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