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Doom, Jenalee R.; Georgieff, Michael K.; Gunnar, Megan R. – Developmental Science, 2015
Increased ADHD symptomology and lower IQ have been reported in internationally adopted (IA) children compared to non-adopted peers (Hostinar, Stellern, Schaefer, Carlson & Gunnar, 2012; Kreppner, O'Connor & Rutter, 2001). However, it is unclear whether these outcomes are due to institutional deprivation specifically or to co-occurring…
Descriptors: Symptoms (Individual Disorders), Attention Deficit Hyperactivity Disorder, Intelligence Quotient, Brain
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Hogan, Alexandra M.; Pit-ten Cate, Ineke M.; Vargha-Khadem, Faraneh; Prengler, Mara; Kirkham, Fenella J. – Developmental Science, 2006
Lowered intelligence relative to controls is evident by mid-childhood in children with sickle cell disease. There is consensus that brain infarct contributes to this deficit, but the subtle lowering of IQ in children with normal MRI scans might be accounted for by chronic systemic complications leading to insufficient oxygen delivery to the brain.…
Descriptors: Diseases, Intelligence Quotient, Motion, Brain