Beyond a certain volume, protective coating on nerve fibres is damaged
San Francisco, CA -- (SBWIRE) -- 08/31/2012 -- Listening to music that is too loud and above the normal level for human ears is a warning that most people see on their electronic devices, but a new study according to scientists, shows that doing so actually does cause damage to the sensitive nerves located in that area.
New research, according to independent.ie, is believed to show that levels of noise above the 110 decibels point results in the damaging of sensitive nerve fibres by the loss of the protective coating.
Ultimately, the research proves how the continuous damaging of the nerves in the ear is similar to multiple sclerosis (MS). Overtime, such loud noises lead to various hearing problems, from temporary deafness, also known as tinnitus, or permanent loss of the ability to hear.
The protective coating on the nerve fibres is known as myelin and this new study, which is published in the journal, Proceedings of the National Academy of Sciences, has allowed scientists to study how to reverse such damage and allow the sufferer to regain their sense of hearing.
"We now understand why hearing loss can be reversible in certain cases," Dr Martine Hmaann, lead researcher from the University of Leicester, said "We showed that the sheath around the auditory nerve is lost in about half of the cells we looked at, a bit like stripping the electrical cable linking an amplifier to the loudspeaker. The effect is reversible and after three months, hearing has recovered and so has the sheath around the auditory nerve."
Although the research is not in a completed state and is still going on, such studies have shown multiple new confirmed discoveries. Damage to the cells in the cochlea nucleus is a serious matter and can be avoided with such information.
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