It is a truism that development involves contributions from both genes and environment, but
theories differ with respect to the roles they attribute to each, which deeply affects the ways …

The rare, genetically based disorder, Williams syndrome (WMS), produces a constellation of
distinctive cognitive, neuroanatomical, and electrophysiological features which we explore …

The new edition of a comprehensive introduction to a rapidly developing field, combining
developmental data with theory. How do children begin to use language? How does …

Within linguistic theory, many phenomena that were previously handled by a separate
grammatical component have been moved into the lexicon; in some theories, the contrast …

In this paper we argue that there are two distinct components of a theory of mind: a social-
cognitive and a social-perceptual component. Evidence for this proposal is presented from …

This review critically examines the research findings which characterize the cognitive,
behavioral, and neuroanatomical features of Williams syndrome (WS). This article analyzes …

Executive functions are a set of high cognitive abilities that control and regulate other
functions and behaviors and are crucial for successful adaptation. Deficits in executive …

The remarkable way in which young children acquire language has long fascinated linguists
and developmental psychologists alike. Language is a skill that we have essentially …

Where does grammar come from? How does it develop in children? Developmental
psycholinguists who set out to answer these questions quickly find themselves impaled on …

This guide identifies characteristics of 9 specific genetic mental retardation syndromes. Four
major syndromes—Down, Williams, fragile X, and Prader-Willi—are covered with …