Down syndrome is one of the leading causes of intellectual disability, and individuals with Down syndrome experience various health issues including learning and memory deficits, congenital heart diseases, Alzheimer's or other dementias, leukemia, cancers, and Hirschsprung disease. School psychologists have a vital role in the success of students…

Growth models for subtests of the Stanford-Binet Intelligence Scale, 4th edition (R. L. Thorndike, E. P. Hagen, & J. M. Sattler, 1986a, 1986b) were developed for individuals with Down syndrome. Models were based on the assessments of 208 individuals who participated in longitudinal and cross-sectional research between 1987 and 2004. Variation…

This paper outlines the strengths and weaknesses in both short-term and long-term memory in Down syndrome, and the implications of these patterns for both other aspects of cognitive development and underlying neural pathology. There is clear evidence that Down syndrome is associated with particularly poor verbal short-term memory performance, and…

Individuals with Down syndrome are predisposed to show a specific behavioural phenotype, or a pattern of strengths and challenges in functioning across different domains of development. It is argued that a developmental approach to researching the Down syndrome behavioural phenotype, including an examination of the dynamic process of the unfolding…

Development and use of a rating scale to code videotaped mother-child interactions involving 1-year-olds with Down's syndrome are described. It is explained that the ratings were developed to describe individual differences in directiveness and sensitivity in mothers and social and cognitive maturity in the children, with a measure of mutuality or…

Down syndrome is the most prevalent cause of intellectual impairment associated with a genetic anomaly, in this case, trisomy of chromosome 21. It affects both physical and cognitive development and produces a characteristic phenotype, although affected individuals vary considerably with respect to severity of specific impairments. Studies…

For decades, researchers and practitioners have attempted to find evidence for a personality stereotype in individuals with Down syndrome that includes a pleasant, affectionate, and passive behaviour style. However, a more nuanced exploration of personality-motivation in Down syndrome reveals complexity beyond this pleasant stereotype, including…

Responsive Teaching is an early intervention curriculum designed to address the cognitive, language, and social emotional needs of young children with developmental problems. This innovative intervention model was derived from research conducted primarily with children with Down syndrome and their mothers. Results from these studies indicated that…

The last 25 years have witnessed an explosion of research at the intersection of typical language development and child language disorders. A pioneer in bringing these fields of study together is Robin S. Chapman, Emerita, University of Wisconsin. This contributed volume honors her with chapters written by former students and colleagues, who track…