This article provides a brief overview of the various areas of research that have served to clarify the condition of dyslexia. Using topics and content appearing in A. L. Benton and D. Pearl's (1978) text, Dyslexia: An Appraisal of Current Knowledge, as the point of departure, evolution of the definitions of dyslexia is traced to the current and…

Examines the influence that oral language deficits exert on children's ability to learn to read and to develop reading skills. Discusses evidence that points to deficient phonological awareness as the variable that best discriminates children with reading delay. The effects of deficit phonological awareness are described. (Author/CR)

Relationships between phonological coding abilities and reading outcomes have implications for differential diagnosis of language-based reading problems. The theoretical construct of specific phonological coding ability is explained, including phonological encoding, phonological awareness and metaphonology, lexical access, working memory, and…

A study of 141 children (ages 4-5) with language impairments and a study of 120 children (ages 7-12) with oral language and/or reading problems, indicate a relationship between the processing of phonological and semantactic linguistic information and performance on oral language and reading tests three years later. (Author/CR)

Linguistic cohesion involves the semantic and syntactic relationships that link sentences together. Research on linguistic cohesion is related to readability and to developmental and ability-level issues in reading/writing. Instructional strategies for low-ability readers/writers include predicting comprehension problems through cohesion analysis…