Co‐recovery of physical size and cognitive ability from infancy to adolescence: A twin study

Author:

Womack Sean R.12ORCID,Beam Christopher R.3,Giangrande Evan J.2456ORCID,Tong Xin2,Scharf Rebecca J.7,Finkel Deborah89ORCID,Davis Deborah W.1011,Turkheimer Eric2

Affiliation:

1. Initiative on Stress, Trauma, and Resilience, Department of Psychiatry and Human Behavior, Warren Alpert Medical School Brown University Providence Rhode Island USA

2. Department of Psychology University of Virginia Charlottesville Virginia USA

3. Department of Psychology University of Southern California Los Angeles California USA

4. Analytic & Translational Genetics Unit Massachusetts General Hospital Boston MA USA

5. Psychiatric & Neurodevelopmental Genetics Unit Massachusetts General Hospital Boston MA USA

6. Stanley Center for Psychiatric Research Broad Institute of MIT and Harvard Cambridge MA USA

7. Department of Pediatrics University of Virginia Charlottesville Virginia USA

8. Center for Economic and Social Research University of Southern California Los Angeles California USA

9. Institute for Gerontology Jönköping University Jönköping Sweden

10. Department of Pediatrics University of Louisville Louisville Kentucky USA

11. Norton Children's Research Institute University of Louisville School of Medicine Louisville Kentucky USA

Abstract

AbstractThis study tested phenotypic and biometric associations between physical and cognitive catch‐up growth in a community sample of twins (n = 1285, 51.8% female, 89.3% White). Height and weight were measured at up to 17 time points between birth and 15 years, and cognitive ability was assessed at up to 16 time points between 3 months and 15 years. Weight and length at birth were positively associated with cognitive abilities in infancy and adolescence (r's = .16–.51). More rapid weight catch‐up growth was associated with slower, steadier cognitive catch‐up growth. Shared and nonshared environmental factors accounted for positive associations between physical size at birth and cognitive outcomes. Findings highlight the role of prenatal environmental experiences in physical and cognitive co‐development.

Funder

National Institute on Aging

Publisher

Wiley

Subject

Developmental and Educational Psychology,Education,Pediatrics, Perinatology and Child Health

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