Hearing loss single loud noise maker,ear crackles with loud noise novel,how to fix buzzing in ear 2014 - Test Out

30.04.2015
We often think of hearing loss in terms of old age, but children’s ears are bombarded with unsafe sounds every single day, often from sources that might surprise you. A group of American researchers from the Stanford University have recently announced that they are working on a new type of therapy destined to fight hearing loss. The research team, led by Stefan Heller, adds that it managed to gain new insights into how the inner ear perceives sounds as well. What Heller and his team did was use mouse-derived embryonic stem cells to produce structures resembling the hair cells of the human inner ear. Please download the latest version of the Google Chrome, Mozilla Firefox, Apple Safari, or Windows Internet Explorer browser.
They say that their approach, which is based on using stem cells, could provide patients with a way out of their predicament. Reaching the inner ear is notoriously difficult, and therefore studies have only yielded moderately-accurate results. By using a scanning electron microscope, the investigators were able to produce a set of cells that had the looks and functions of their human counterparts.


What the study team is trying to accomplish is creating cultures of cells that could be used to replace damaged areas in various portions of the human ear. Additional details of the work are published in the May 14 issue of the esteemed scientific journal Cell. What scientists do know is that the hair cells inside the ear vibrate when sound waves hit them, and that these vibrations are converted to electrical impulses, which then travel to the auditory cortex.
Bombarding the cells with electrons showed that they formed bundles, featuring individual components of varying heights.
A single shot from a shotgun, experienced at close range, may permanently damage hearing in an instant. The investigation, which is currently being conducted on unsuspecting lab mice, holds great promise for the future, Wired reports. The document reveals that the team took an active interest in specialized, hair-like cells, which reside in the inner ear, and that are believed to play an important role in hearing. However, how this transformation takes place has remained a mystery, and a reason for heated debate for a long time.


Stimulating these bundles mechanically, with a thin piece of glass, resulted in the production of electrical signals that resembled the ones researchers were hoping to find. Repeated exposures to loud noises may, over an extended period of time, present serious risks to hearing.
One of the most interesting things to note about hair cells is that they tend not to regenerate after dying. You suddenly have difficulty understanding speech after exposure to loud noise (you can hear people talking but you cannot understand them). Reduce the number of noisy appliances running at the same time in your personal environment.



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Comments Hearing loss single loud noise maker

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