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Individual and environmental characteristics associated with cognitive development in Down syndrome: a longitudinal
Donna Couzens1, Michele Haynes, Monica Cuskelly
1School of Education, Faculty of Social and Behavioural Sciences, The University of Queensland, Brisbane, Queensland, Australia. d.couzens@uq.edu.au
Journal of Applied Research in Intellectual Disabilities : JARID
|August 15, 2012
Summary
Cognitive development in individuals with Down syndrome is linked to temperament, maternal education, and school experiences. Early learning opportunities and positive environments support cognitive growth.
Area of Science:
- Developmental Psychology
- Genetics and Human Development
- Special Education
Background:
- Investigated associations between cognitive development and intrapersonal/environmental factors in 89 individuals with Down syndrome.
- Aimed to understand developmental patterns linked to cognitive strengths and weaknesses in this population.
Purpose of the Study:
- To identify intrapersonal and environmental predictors of cognitive development in individuals with Down syndrome.
- To understand factors influencing cognitive strengths, weaknesses, and developmental trajectories.
Main Methods:
- Analyzed Stanford-Binet IV subtest scores from ages 4-30 years using multilevel models.
- Systematically entered predictor variables (temperament, maternal education, medical conditions, school experiences) to assess associations with cognitive development.
Main Results:
- Temperament, maternal education, medical conditions, and school experiences were associated with cognitive differences.
- Negative mood, persistence, maternal education, and elementary school experiences were linked to the rate of cognitive development.
Conclusions:
- Early cognitive advantage and consistent academic learning opportunities appear to support cognitive development.
- Interventions targeting verbal/problem-solving skills and reducing negative affect are recommended for individuals with Down syndrome.
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