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Ed Zigler's developmental approach to intellectual disabilities: Past, present, and future contributions
1Department of Special Education, Peabody College, Vanderbilt University, Nashville, TN, USA.
Development and Psychopathology
|May 6, 2021
Summary
Ed Zigler's developmental approach distinguishes two groups of children with intellectual disabilities (ID) based on etiology. His "whole person" concept emphasizes the child's interactions within their environment.
Area of Science:
- Developmental Psychology
- Pediatric Medicine
- Special Education
Background:
- Ed Zigler's influential developmental approach has shaped the understanding of intellectual disabilities (ID) in children.
- The approach comprises two key parts: a two-group classification of ID etiology and a holistic view of the child.
- This framework has guided research, intervention, and policy in the field of intellectual disabilities for decades.
Purpose of the Study:
- To review and highlight the core components of Ed Zigler's developmental approach to intellectual disabilities.
- To discuss the evolution of Zigler's two-group classification and the concept of the child as a whole person.
- To underscore the ongoing impact of Zigler's work on the conceptualization and management of intellectual disabilities.
Main Methods:
- Conceptual analysis of Ed Zigler's seminal work on intellectual disabilities.
- Review of research advancements that have further differentiated Zigler's proposed etiological groups.
- Examination of studies expanding the 'whole person' concept to include broader social and familial interactions.
Main Results:
- Zigler's 'two-group approach' distinguishes between organic and cultural-familial causes of ID, a distinction supported by research.
- Recent research has further refined the 'organic' group by identifying behavioral phenotypes linked to genetic etiologies.
- The 'whole person' concept has expanded to encompass life-span interactions, including parent-child and systemic factors.
Conclusions:
- Ed Zigler's developmental approach remains a foundational framework for understanding and addressing intellectual disabilities.
- The approach's dual focus on etiology and the child's holistic development continues to inform contemporary research and practice.
- Continued exploration of genetic and environmental factors is crucial for advancing interventions for individuals with ID.
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