In recent years, many children from Eastern European orphanages have been adopted by families in the United States. When children begin life with their new families, they experience an abrupt language shift in which the learning of their native language halts as the learning of the new language commences. Without the support of their native…

Evidence from intervention studies, quantitative genetic and molecular genetic studies suggests that genetic, and to a lesser extent, shared environmental influences are important to the development of reading and related cognitive skills. The Northeast-Northwest Collaborative Adoption Projects (N2CAP) is a sample of 241 adoptive families,…