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Normal Birth Weight Variation and Children's Neuropsychological Functioning: Links between Language, Executive Functioning, and Theory of Mind.
MedLine Citation:
PMID:  25171131     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The effect of low birth weight on children's development has been documented for a range of neurocognitive outcomes. However, few previous studies have examined the effect of birth weight variability within the normal range on children's neuropsychological development. The current study examined birth weight variation amongst children weighing ≥2500 g in relation to their language, executive functioning (EF), and theory of mind (ToM), and specified a developmental pathway in which birth weight was hypothesized to be associated with children's EF and ToM through their intermediary language skills. The current study used a prospective community birth cohort of 468 children. Families were recruited when children were newborns and followed up every 18 months until children were age 4.5. Language was assessed at age 3 using a standardized measure of receptive vocabulary (PPVT), and EF and ToM were measured at age 4.5 using previously validated and developmentally appropriate tasks. After controlling for potential confounding variables (family income, parent education, gestational age), birth weight within the normal range was associated with language ability at age 3 (β=.17; p=.012); and the effect of birth weight on both EF (z=2.09; p=.03) and ToM (z=2.07; p=.03) at age 4.5 operated indirectly through their language ability at age 3. Our findings indicate that the effects of birth weight on child neurocognition extend into the normal range of birth weight, and specific developmental mechanisms may link these skills over time. (JINS, 2014, 20, 1-11).
Authors:
M Wade; D T Browne; S Madigan; A Plamondon; J M Jenkins
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-8-29
Journal Detail:
Title:  Journal of the International Neuropsychological Society : JINS     Volume:  -     ISSN:  1469-7661     ISO Abbreviation:  J Int Neuropsychol Soc     Publication Date:  2014 Aug 
Date Detail:
Created Date:  2014-8-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9503760     Medline TA:  J Int Neuropsychol Soc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-11     Citation Subset:  -    
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