• Summary
  • Contents
  • Subject index

Reflecting the enormous changes that have taken place in our knowledge and understanding of developmental disorders, this groundbreaking international volume brings this vast and complex field together for the first time. The editors have collected together the world’s leading academic scholars and clinicians, to explore how current research across a range of different disciplines can inform academic knowledge and clinical practice and help to improve the lives of individuals and their families.The SAGE Handbook of Developmental Disorders is a central reference in the field for all academics, researchers, clinicians and advanced students involved in the study of developmental disorders, including those in clinical psychology, child psychiatry, child mental health, child genetics and pediatrics, speech language pathology, and developmental disabilities and special education.

Down Syndrome: General Overview
Down syndrome: General overview
Deborah J.Fidler, Lisa A.Daunhauer
Brief Historical Perspective

It is difficult to identify when the physical and psychological features associated with Down syndrome were identified as constituting a specific phenomenon. Archeological evidence of the remains of a person with Down syndrome dates back to the seventh century (Roizen, 2007). Some posit that artistic renderings of individuals with Down syndrome can be found in paintings produced as far back as the 1600s (Volpe, 1986). But it is clear that by the middle part of the nineteenth century, recognition of the disorder had entered into the scientific literature. John Langdon Down (1866/1995) and Edouard Seguin (1866) each published work describing a cluster of symptoms associated with intellectual impairments in their patient populations. Down ...

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