Dyslexia is a learning disability that impairs a person's ability to read, and which can manifest itself as a difficulty with phonological awareness, phonological decoding, orthographic coding, auditory short-term memory, and/or rapid naming. Dyslexia is separate and distinct from reading difficulties resulting from other causes, such as a non-neurological deficiency with vision or hearing, or from poor or inadequate reading instruction. It is estimated that dyslexia affects between 5 and 17 percent of the population.
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dyslexia A condition in which a person's ability to read and write is much lower than would be expected of someone of that person's intelligence.
