Pub. date: 2008 | Online Pub. Date: June 25, 2008 | DOI: 10.4135/9781412963978 | Print ISBN: 9781412909280 | Online ISBN: 9781412963978| Publisher:SAGE Publications, Inc.About this encyclopedia
Dennis C. Harper
The field of developmental disorders has experienced multiple scientific and social changes in the last decade. Many changes involve the perception of disabilities and have been referred to by Dennis Harper as a shift in paradigms. Some of these changes in the definition of developmental and learning disorders have resulted in changes in societal responses to children and adults with disabilities. In addition, advances in neuropsychological research, imaging, and genetics have refined researchers' understanding of developmental and learning disorders. The implications of developmental disorder classification and resultant diagnostic labels have a major impact on diagnostic systems, scientific study of developmental disorders, and service-based educational intervention and treatment programs for children and youth. The largest impact on children and youth is related to how such definitions become incorporated into administrative rules for the delivery of special education services in schools and related supports in community-based rehabilitation and treatment settings. Early definitions ...