Document Detail

Biological and environmental initial conditions shape the trajectories of cognitive and social-emotional development across the first years of life.
MedLine Citation:
PMID:  19120428     Owner:  NLM     Status:  MEDLINE    
Human development is thought to evolve from the dynamic interchange of biological dispositions and environmental provisions; yet the effects of specific biological and environmental birth conditions on the trajectories of cognitive and social-emotional growth have rarely been studied. We observed 126 children at six time-points from birth to 5 years. Intelligence, maternal sensitivity, and child social engagement were repeatedly tested. Effects of neonatal vagal tone (VT) and maternal postpartum depressive symptoms on growth-rates were assessed. Cognitive development showed a substantial growth-spurt between 2 and 5 years and social engagement increased rapidly across the first year and more gradually thereafter. VT improved cognitive and social-emotional growth-rates across the first year, whereas maternal depressive symptoms interfered with growth from 2 to 5 years. Differences between infants with none, one, or two non-optimal birth conditions increased with age. Findings shed light on the dynamics of early development as it is shaped by biological and environmental initial conditions.
Ruth Feldman; Arthur I Eidelman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Developmental science     Volume:  12     ISSN:  1467-7687     ISO Abbreviation:  Dev Sci     Publication Date:  2009 Jan 
Date Detail:
Created Date:  2009-01-05     Completed Date:  2009-02-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9814574     Medline TA:  Dev Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  194-200     Citation Subset:  IM    
Department of Psychology and the Gonda Brain Sciences Center, Bar-Ilan University, Israel.
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MeSH Terms
Child Development / physiology*
Child, Preschool
Cognition / physiology*
Depression / psychology*
Emotions / physiology*
Mother-Child Relations
Social Change
Social Environment

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