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publicado em 20/02/2013 às 18h30:00
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Identified new biomarker involved in dyslexia

Research shows a correlation between the ability to encode sounds and strengthening of the reading process

 
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Pesquisa descobriu relação entre a capacidade de leitura e consistência com que o cérebro codifica os sons
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Researchers at Northwestern University in the U.S. found a biological mechanism that appears to play an important role in the process of reading and dyslexia.

While learning to read proceed smoothly for most children, one in 10 suffers from dyslexia, a learning disability that difficulty reading.

Recording the automatic responses of brain waves of 100 school children to speech sounds, the researchers found that the best readers encode the sound more consistent, while the worst encode more inconsistency. Presumably, the brain's response to sound stabilizes when children learn to successfully connect the sounds with their meanings.

The team has equipped children with reading difficulties for a year with assistive devices that broadcast the teacher's voice directly to the ears. After a year, the children showed improvement not only in reading but also in consistency with which their brains encode speech sounds, especially consonants.

"The use of devices focused on children's brains in significant sounds coming from the teacher, reducing other irrelevant distractions. After a year of use, students had improved their auditory systems and had no more need to use assistive devices to maintain reading and coding advantage, "says Kraus.

According to Kraus, understand the biological mechanisms of reading puts us in a better position to understand how the normal reading and soften when she is wrong. The good news is that the consistency of response to reading can be improved with auditory training. "

Source: Isaude.net
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