AP41723

How the effect of loud noises can damage our brain.
It is almost a culture for the youngest generation around the globe or specifically in the United States to #|play loud music as a part of their contribution to the group or gang they belong to without thinking of the consequences. They have that loud music from the time they woke up until they are going to bed. This continual behavior worries or makes a major concern among the scientists to find out what impact that can have on the brain of an individual.

In fact, not long ago a group of neurologists at the #|University of Texas at Dallas find out that prolonged exposure to loud noise alters how the brain processes speech, potentially increasing the difficulty in distinguishing speech sounds. In a #|paper published this week in //Ear and Hearing //, they demonstrated for the first time how noise-induced #|hearing loss affects the brain's recognition of speech sounds.

Noise-induced hearing loss (NIHL) reaches all corners of the population, affecting an estimated 15 percent of Americans between the ages of 20 and 69, according to the National Institute of Deafness and Other Communication Disorders (NIDCD). Tested items has shown them that Exposure to intensely loud sounds leads to permanent damage of the hair cells, which act as sound receivers in the ear. Once damaged, the hair cells do not grow back, leading to NIHL. Although the ear is critical to hearing, it is just the first step of many processing stages needed to hold a conversation," Kilgard said. "We are beginning to understand how hearing damage alters the brain and makes it hard to process speech, especially in noisy environments."

References: > > > 
 * 1) Amanda C. Reed, Tracy M. Centanni, Michael S. Borland, #|Chanel J. Matney, Crystal T. Engineer, Michael P. Kilgard. **Behavioral and Neural Discrimination of Speech Sounds After Moderate or Intense Noise Exposure in Rats**. //Ear and Hearing//, 2014
 * 1) University of Texas at Dallas. "Effect of loud noises on brain revealed in study." ScienceDaily. ScienceDaily, 31 July 2014. .
 * 1) University of Texas at Dallas. (2014, July 31). Effect of loud noises on brain revealed in study. ScienceDaily. Retrieved August 2, 2014 from www.sciencedaily.com/releases/2014/07/140731102524.htm.

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