Definition of Dyslexia

International Dyslexia association


Dyslexia is a specific learning disability that is neurological in origin. It is characterized by difficulties with accurate and/or fluent word recognition and by poor spelling and decoding abilities. These difficulties typically result from a deficit in the phonological component of language that is often unexpected in relation to other cognitive abilities and the provision of effective classroom instruction. Secondary consequences may include problems in reading comprehension and reduced reading experience that can impede the growth of vocabulary and background knowledge.

Adopted by the Board of Directors: November 12, 2002

“promoting literacy through research, education and advocacy”™

The International Dyslexia Association · 40 York Road · Fourth Floor · Baltimore · MD · 21204
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