Can E-Readers Ease Reading for Dyslexics?

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The causes of dyslexia—the disorder that makes reading excruciatingly difficult for about one in twenty school-aged children—have remained frustratingly elusive, as has anything resembling a cure. Training programs for dyslexics have proven effective at improving certain parts of the reading process, such as phonological awareness and auditory perception.

Once these skills have been brought up to speed, however, there still remains what one group of researchers calls a “vicious circle”: the most effective way to get better at reading is to read more. So scientists have turned their attention to a new question: Are there ways to make reading easier for dyslexics?

Surprisingly, the answer appears to be yes, and the methods experts are using to ease the act of reading are remarkably simple and concrete. With changes in the spacing, the size, and the appearance of text, studies are showing, children with dyslexia can read more quickly and accurately, allowing them to get the reading practice they need to improve.

In a study released this month by the Proceedings of the National Academies of Science, for example, a team of researchers from the University of Padova in Italy reported that extra-large spacing between letters allowed a group of dyslexic children to read text significantly faster and with fewer than half as many errors as when they read passages with standard spacing. Extra-large

spacing helps dyslexic children, explains lead author Marco Zorzi, because they are especially affected by a perceptual phenomenon known as “crowding”: the interference with the recognition of a letter by the presence of the letters on either side. When each letter is given breathing room, dyslexic readers are less apt to get confused. (Interestingly, research suggests that the standard spacing between letters is ideal for normal readers: they read more slowly and haltingly when spacing is increased.)

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Not only the spacing between letters, but the size of the letters themselves affects how quickly and easily dyslexics read. In a study led by psychologist Beth O’Brien of Tufts University and published in the Journal of Research on Reading in 2005, the authors presented passages printed in progressively bigger letters to groups of dyslexic and normal readers, timing how long it took the participants to read each one. The children with dyslexia reached their maximum reading speed at a letter size bigger than that required by children who did not have the disorder.

Even the font in which a text is printed may influence how readily a dyslexic is able to read. Last year, Christian Boer, a graphic designer from the Netherlands who is himself dyslexic, introduced a font he created to reduce dyslexic readers’ tendency to misconstrue letters like “d” and “b.” Boer accentuated certain features of the letters in his font, called Dyslexie, to make them harder to confuse with each other, and he inserted generous amounts of space between letters and words.

Once, such innovations would have required the laborious printing of special texts for dyslexics. But with the advent of e-readers, creating a dyslexia-friendly document is as simple as changing the settings on a digital device. Indeed, some dyslexics are already doing so—such as the prominent economist Diane Swonk, who has spoken about how she uses her Kindle to adjust the font and limit the number of words she sees when she reads onscreen.

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Playing around with the size and spacing and look of letters isn’t a cure for dyslexia. But until science finds one, such manipulations can help dyslexic children read with more ease, and even pleasure.

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