More research on the cause of dyslexia. 
Researchers at Northwestern University’s Auditory Neuroscience Laboratory investigated the underlying biological causes of dyslexia and found that a child’s reading ability is directly related to how efficiently the brain encodes sound. The study's results, published in the current issue of the Journal of Neuroscience, suggest that personal listening devices can improve reading ability by limiting the sounds that the brain encodes.

Dyslexia is a learning disability that impairs a person’s ability to either read or comprehend the written word. According to Nina Kraus, the study’s co-author and a professor of neurobiology and physiology at Northwestern University’s School of Communication, reading ability is often associated with auditory skills, including auditory memory and attention as well as rhyming ability.

The National Center for Learning Disabilities estimates that 15-20 percent of school-aged children suffer from some language-based learning disability. The most common is dyslexia.  

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