In response to a previous paper (EC 212 858) regarding the neurodevelopmental evidence for the basis of dyslexia, this paper suggests further concerns in the areas of cognitive measurement, the relationship between cortical-functional organization and child development, and lack of operational definitions in the study of the dyslexic syndrome. (DB)

This article responds to Sylvia Richardson (EC 602 667), noting a failure to address the definitional issues associated with dyslexia. A definition of dyslexia is offered that considers the nature of the processing limitation underlying the disorder as well as the developmental changes that occur in the manifestation of the disorder. (Author/DB)

This article introduces four papers (and responses to them) originally given at an April 1990 conference on the identification and treatment of dyslexia. Noted is the lack of consensus on what dyslexia is, how the condition comes to be, and what the nature of educational intervention ought to be, though developmental views are seen to predominate.…