The research found that the condition affects not only children's ability to read but also to tune out background noise. This means they can have difficulties focusing on a teacher's voice in a noisy classroom.
The study, published in the journal Neuron this month, found that children with developmental dyslexia have a deficit in the part of the brain where sound is processed and because of this are vulnerable to the effects of background noise.
Children without the condition are able to extract sound from background noise by focusing on the specific pitch of the sound, which remains constant against fluctuating background noise.
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