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Cause of tinnitus and hearing loss, sleep disorder treatment home remedies - For Begninners

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Noise-Induced Hearing Loss (NIHL) occurs when loud noise damages the working of the inner ear and causes hearing loss. Roughly 20% of adults in the US, about 48 million people, report some degree of hearing loss.
According to the American Tinnitus Association, Noise-Induced Hearing Loss (NIHL) and tinnitus is currently the number one service connected disability of veterans returning from Iraq and Afghanistan. Recreational activities that can put someone at risk for NIHL include target shooting and hunting, snowmobile riding, listening to MP3 players at high volume through earbuds or headphones, playing in a band and attending loud concerts. Hearing depends on a series of events that change sound waves in the air into electrical signals.
If a neuron in the auditory cortex is not getting input from the hearing nerve, it might well pick up electrical activity in an adjacent region and respond to that. There are many factors that have been associated with an increased risk of developing tinnitus. Another hypothesis is that tinnitus develops because of changes in how the brain processes sound in response to altered input from the cochlea. The library is an integral part of a project being developed by FAPESP - Fundacao de Amparo a Pesquisa do Estado de Sao Paulo, in partnership with BIREME - the Latin American and Caribbean Center on Health Sciences Information.

The Project envisages the development of a common methodology for the preparation, storage, dissemination and evaluation of scientific literature in electronic format. The interface also provides access to the full text of articles via author index or subject index, or by a search form on article elements such as author names, words from title, subject, words from the full text and publication year. Harmful noises at home may come from lawnmowers, leaf blowers and shop or woodworking tools.
The auditory nerve then carries the signals to the brain for processing and interpretation. Sound waves cause the eardrum to vibrate and transmit the vibrations to three tiny bones in the middle ear.
The bones in the middle ear amplify and transmit the vibrations from the air to fluid vibrations in the cochlea of the inner ear, which is shaped like a snail and filled with fluid. As fluid is churned in the cochlea from vibration coming from the middle ear bones, the fluid rushes past these hairs and causes them to bend. When the cells are presented with an overstimulation of their frequency their supportive structure becomes swollen and can rupture, destroying the hair cell. Exacerbation of noise-induced hearing loss in mice lacking the glutamate transporter GLAST.

In order to better understand this, it is necessary to first understand the basics of how hearing operates and then review how noise damages hearing and its effects on the ears and brain. There are two types of hair cells, Outer Hair Cells (OHC), which amplify the vibrations, and Inner Hair Cells (IHC), which transform the vibrations into electrical nerve impulses. The bending of these hairs opens a sort of trap door underneath them, allowing the potassium-rich fluid they live in to reach a sodium-filled fluid underneath, and potassium mixed with sodium makes electricity.
This excess glutamate overexcites the neurons and causes them to fire continuously until they become chemically depleted and eventually die. So, even though there is no real sound being generated at that frequency, it sounds as if there is and that, by definition, is tinnitus. Calcium ions then enter the cell and trigger the release of the neurotransmitter glutamate.
When hearing loss occurs, certain brain neurons lack input in the regions where the hearing loss is most severe.

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