NotesFAQContact Us
Collection
Advanced
Search Tips
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Lyon, G. Reid; Shaywitz, Sally E.; Shaywitz, Bennett A. – Annals of Dyslexia, 2003
This paper elaborates on components of a working definition of developmental dyslexia proposed in 1995 by G. R. Lyon. The 2003 revised definition, based on converging scientific evidence, was developed by a working group of the International Dyslexia Association. The new definition notes the condition's neurobiologic origin and typical presence of…
Descriptors: Cognitive Development, Definitions, Dyslexia, Elementary Education