Loud noises are known to lead to hearing problems such as temporary deafness or tinnitus.
Research on the effects of loud music through earphones shows that noise levels above 110 decibels strips insulation from nerve fibers carrying signals from the ear to the brain. The loss of the protective coating, called myelin, disrupts electrical nerve signals.
Dr. Martin Hamann, lead researcher of the University of Leicester, dissected the cellular mechanisms. His research will help prevent hearing loss and aid the progress of finding appropriate cures. He found that damaged myelin regrows after a single exposure. The sheath around the auditory nerve is also able to recover.
Junior Nicole Brannum said, “I have experienced temporary deafness after listening to my music really loud for a long period of time. I had trouble understanding what people were saying even though they were speaking reasonably loud.”
Although the auditory nerve has the ability to heal, the repeated use of listening to loud music through earphones can cause extreme damage and scar the tissue. The cells that die are not replaceable.
When one uses earbuds with the volume at 90 percent of maximum and the earphones are in for a total of two hours a day for five days a week, one will develop a significant degree of hearing loss. The impact is only noticeable after 10 years of listening to a personal audio device.
Sophomore Angelique Racpan said, “I only listen to my iPod when I am on my way to and from school which is roughly about an hour. I do not have any problems with hearing yet.”
In order to listen to music without increasing the risk of hearing loss, the music volume has to be at 80 percent maximum for no more than 90 minutes a day. At 100 percent maximum volume, one should only listen for about five minutes a day. Developing a habit of listening to music appropriately loud and for a limited time will decrease the risks of hearing loss in the future.
Spanish teacher Susan Solomine said, “Every day I listen to music on my commute from home to work and vice versa, which usually means a minimum of one hour. My volume never exceeds 50 percent and I have not noticed any symptoms of hearing loss.”
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