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.

Cornelia De Lange, Cri Du Chat, and Rubinstein-Taybi Syndromes

Cornelia De Lange, Cri Du Chat, and Rubinstein-Taybi Syndromes

Cornelia de lange, cri du chat, and rubinstein-taybi syndromes
ChrisOliver, KateArron, LauriePowis, PennyTunnicliffe


In this chapter we describe three comparatively rare genetic syndromes associated with intellectual disability. The rarity of genetic syndromes impacts significantly on the amount of information that is available, the likelihood that clinicians will have experience of a syndrome and the quality of advice and intervention that may be offered. This is perhaps unsurprising given the number of genetic syndromes associated with intellectual disability but is nevertheless of concern. This problem is mirrored in the volume of research on individual rare syndromes. In this respect many rare syndromes acquire the status of orphan diseases, with little or no information on cognitive and behavioural phenomenology and ...

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