Beyond Stimulus Deprivation: Iron Deficiency and Cognitive Deficits in Postinstitutionalized Children

Children adopted from institutions have been studied as models of the impact of stimulus deprivation on cognitive development (Nelson, Bos, Gunnar, & Sonuga-Barke, 2011), but these children may also suffer from micronutrient deficiencies (Fuglestad et al., 2008). The contributions of iron defici...

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Published inChild development Vol. 85; no. 5; pp. 1805 - 1812
Main Authors Doom, Jenalee R., Gunnar, Megan R., Georgieff, Michael K., Kroupina, Maria G., Frenn, Kristin, Fuglestad, Anita J., Carlson, Stephanie M.
Format Journal Article
LanguageEnglish
Published United States Blackwell Publishing Ltd 01.09.2014
Wiley for the Society for Research in Child Development
Wiley-Blackwell
Subjects
Adopted children
Adoption
Bos
Child development
Child nutrition
Child psychology
Child, Institutionalized
Child, Preschool
Cognition
Cognition & reasoning
Cognition Disorders - blood
Cognitive Ability
Cognitive Development
Deprivation
EMPIRICAL REPORTS
Executive Function
Executive Function - physiology
Humans
Infant
Institutional care
Institutionalization
Institutionalized Persons
Intelligence - physiology
Intelligence Quotient
Iron
Iron - blood
Iron - deficiency
Iron deficiency anemia
Language development
Malnutrition
Nutrition
Predictor Variables
Residential Care
Sensory Deprivation - physiology
Stimuli
Time Factors
Toddlers
Young Children
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Summary:Children adopted from institutions have been studied as models of the impact of stimulus deprivation on cognitive development (Nelson, Bos, Gunnar, & Sonuga-Barke, 2011), but these children may also suffer from micronutrient deficiencies (Fuglestad et al., 2008). The contributions of iron deficiency (ID) and duration of deprivation on cognitive functioning in children adopted from institutions between 17 and 36 months of age were examined. ID was assessed in 55 children soon after adoption, and cognitive functioning was evaluated 11–14.6 months postadoption when the children averaged 37.4 months old (SD = 4.9). ID at adoption and longer duration of institutional care independently predicted lower IQ scores and executive function (EF) performance. IQ did not mediate the association between ID and EF.
Bibliography:ark:/67375/WNG-R8TMXWRB-F
ArticleID:CDEV12231
istex:10ED395465D47C2F6C8CC0E8F9A4E852D5327836
University of Minnesota - No. MH080905; No. MH078105; No. R01HD051495
NIMH - No. T32MH015755
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ISSN:0009-3920
1467-8624
DOI:10.1111/cdev.12231