Purpose This study examined (a) the extent of genetic and environmental influences on
children's articulation and language difficulties and (b) the phenotypic associations between …

We analyzed genetic linkage and association of measures of language, speech and reading
phenotypes to candidate regions in a single set of families ascertained for SLI. Sib-pair and …

Purpose To examine the etiology of the relationship between preschool speech and
language, and later reading skills. Method One thousand six hundred seventy-two children …

There is a strong genetic contribution to children's language and literacy impairments. The
aim of this study was to determine which aspects of the phenotype are familial by comparing …

Purpose The present study examined the nature of concurrent and predictive associations
between conversational language use and reading development during early school-age …

Language impairments have been hypothesized to have a genetic component. Previous
studies of the familial aggregation of language impairments have relied on a retrospective …

Purpose Early language and speech acquisition can be delayed in twin children, a twinning
effect that diminishes between 4 and 6 years of age in a population-based sample. The …

The genetic and environmental etiology of speech and broader language skills was
examined in terms of their concurrent relationships in young children; their longitudinal …

Reading and language abilities are critical for educational achievement and success in
adulthood. Variation in these traits is highly heritable, but the underlying genetic architecture …

This article reviews 95 publications (based on 21 independent samples) that have examined
children at family risk of reading disorders. We report that children at family risk of dyslexia …