Dyslexia Linked to Sound Processing
HOUSTON (UPI) -- Researchers at the University of Texas Health Science Center at Houston have found dyslexia is linked to abnormal sound processing. By using Magnetoencephalography, a non-invasive, high-resolution form of functional imaging, the researchers found when children without reading problems tried to distinguish between similar spoken syllables, speech areas in the left brain worked much harder than corresponding areas in the right brain.
However, when children with dyslexia made the same attempt, those right-brain areas actually worked harder, going into overdrive after a brief delay. The results suggest children with dyslexia "may lack the predominant involvement of left-hemisphere auditory association cortices" shown by children and adults without reading problems, according to study co-author Joshua Breier. The research is published in Neuropsychology.
HOUSTON (UPI) -- Researchers at the University of Texas Health Science Center at Houston have found dyslexia is linked to abnormal sound processing. By using Magnetoencephalography, a non-invasive, high-resolution form of functional imaging, the researchers found when children without reading problems tried to distinguish between similar spoken syllables, speech areas in the left brain worked much harder than corresponding areas in the right brain.
However, when children with dyslexia made the same attempt, those right-brain areas actually worked harder, going into overdrive after a brief delay. The results suggest children with dyslexia "may lack the predominant involvement of left-hemisphere auditory association cortices" shown by children and adults without reading problems, according to study co-author Joshua Breier. The research is published in Neuropsychology.
Charles Mims
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