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Colored Filter Improves Dyslexic Children's Reading Speed

boy reading tablet

If you have a child who struggles with dyslexia, you know that reading can be one of the most difficult activities for them to complete. This makes certain times during school and even at home while completing homework a frustrating time. Thanks to a recent study, there might be a breakthrough in this area that will allow your child to increase their reading speed using colored filters.

This is a Brazilian study, completed by Fundação de Amparo à Pesquisa do Estado de São Paulo that reported increased reading speed for nine- and ten-year-old volunteers with dyslexia who used green filters. The filters had no effect on children of the same age without dyslexia.

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Colored filters are not a new concept and have been used since they were first patented in 1983 for the treatment of learning disabilities. They were also designed for use by children with autism and attention deficit hyperactivity disorder (ADHD). While they have not been widely used in Brazil, they have been adopted by certain countries, such as France, to help children with these issues.

The research was done by looking at 18 children with dyslexia and 18 without dyslexia for the study at Robert Debré Hospital in Paris. Both yellow and green filters were used in the experiment. All 36 children were asked to read passages from children's books and were displayed on a computer screen with a yellow filter, a green filter, and no filter. Their eye movements were recorded by something called the Mobile EyeBrain Tracker®, a French eye-tracking device certified for medical purposes, consisting of goggles fitted with cameras that record the movements of each eye independently via infrared light signals.

The findings showed that the filters did not impact the reading speed for the children without dyslexia, but the eye-tracking device detected a big difference for children with dyslexia. This group of children read the fastest with the green filter. The fixation period with or without filters was 400 thousandths of a second for children without dyslexia.

The next steps for this research will be to examine the brain activity of these children while reading using the green filter. This concept is definitely something worth looking into if your child is dyslexic and struggling with their reading.

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