Scientists may have found a cause?and a cure?for dyslexia
French researchers believe they have discovered a possible cause?and even treatment?for dyslexia.
Dyslexia is a learning disability that can make reading, writing, spelling, and sometimes math, challenging. The characteristics vary from individual to individual, but can include difficulties with skills like forming and naming letters, grasping separate speech sounds within a word, and remembering the letters of the alphabet in sequence. They may invert letters and numbers or report seeing words ?dance? on the page. Without extensive classroom supports, kids with the condition can struggle to keep up in school.
In a promising new study, published in the Proceedings of the Royal Society B journal, University of Rennes researchers Guy Ropars and Albert le Floch have identified a tiny yet crucial difference between the eyes of dyslexic and non-dyslexic people.
All of us have light-receptor cell patterns in each eye that allow us to see. Researchers found that in non-dyslexic subjects, these patterns are asymmetrical, so the brain chooses one eye to be dominant or override the other, creating a single image in the brain. In dyslexic subjects, light-receptor cells were found to be arranged in matching patterns in both eyes. This means there is no dominant eye, so a mirror image is produced, which may confuse the brain and produce reading errors, researchers report.
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