a developmental disorder selectively affecting a child's ability to learn to read and write. The condition affects boys more often than girls and can create serious educational problems. It is sometimes called specific dyslexia, developmental reading disorder, or developmental word blindness to distinguish it from acquired difficulties with reading and writing.
Compare: alexia
dyslexic adj.

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  • Dyslexia — is a specific reading disability due to a defect in the brain s (higher cortical) processing of graphic symbols. Dyslexia is thus a learning disability that alters the way the brain processes written material. The effects of dyslexia vary from… …   Medical dictionary

  • dyslexia — n. an impaired ability to read. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • dyslexia — c.1887, from Ger. dyslexie (1883), from Gk. dys bad, abnormal, difficult (see DYS (Cf. dys )) + lexis word, from legein speak (see LECTURE (Cf. lecture) (n.)). Dyslexic (n.) is first recorded 1961; dyslectic (adj.) from 1964 …   Etymology dictionary

  • dyslexia — ► NOUN ▪ a disorder involving difficulty in learning to read or interpret words, letters, and other symbols. DERIVATIVES dyslexic adjective & noun. ORIGIN from Greek lexis speech (apparently by confusion of Greek legein to speak and Latin legere… …   English terms dictionary

  • dyslexia — [dis lek′sē ə] n. [ModL < DYS + lexis, speech < legein, to speak: see LOGIC] impairment of the ability to read, often as the result of genetic defect or brain injury dyslexic [dislek′sik] adj., n. dyslectic [dislek′tik] …   English World dictionary

  • Dyslexia — This article is about developmental dyslexia. For acquired dyslexia, see Alexia (acquired dyslexia). Dyslexia Classification and external resources ICD 10 R48.0 ICD 9 …   Wikipedia

  • dyslexia — /dis lek see euh/, n. Pathol. any of various reading disorders associated with impairment of the ability to interpret spatial relationships or to integrate auditory and visual information. [1885 90; < NL < Gk dys DYS + léx(is) word + ia IA] * * * …   Universalium

  • dyslexia — [[t]dɪ̱sle̱ksiə[/t]] N UNCOUNT If someone suffers from dyslexia, they have difficulty with reading because of a slight disorder of their brain. [TECHNICAL] …   English dictionary

  • dyslexia —    A lack of ability to read, often characterized by reversals. To a dyslexic person, a printed page may appear to be a jumble of incoherent data. Dyslexia is a common learning disability. (pr. diss leck see uh) …   Glossary of Art Terms

  • dyslexia — n. an abnormal difficulty in reading and spelling, caused by a condition of the brain. Derivatives: dyslexic adj. & n. dyslectic adj. & n. Etymology: G Dyslexie (as DYS , Gk lexis speech) * * * dyslexia, dyslexic see dys …   Useful english dictionary

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