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Adverse Effects of Heavy Prenatal Maternal Smoking on Attentional Control in Children with ADHD
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Motlagh, Maria G.; Sukhodolsky, Denis G.; Landeros-Weisenberger, Angeli; Katsovich, Liliya; Thompson, Nancy; Scahill, Lawrence; King, Robert A.; Peterson, Bradley S.; Schultz, Robert T.; Leckman, James F. – Journal of Attention Disorders, 2011
Objective: Exposure to heavy maternal cigarette smoking in pregnancy and severe maternal psychosocial stress during pregnancy appear to be important risk factors for the development of ADHD. This study aimed to determine whether these perinatal risk factors were associated with neuropsychological deficits commonly seen in ADHD. Method: We examined…
Descriptors: Reaction Time, Smoking, Performance Tests, Pregnancy
An Extra X or Y Chromosome: Contrasting the Cognitive and Motor Phenotypes in Childhood in Boys with 47,XYY Syndrome or 47,XXY Klinefelter Syndrome
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Ross, Judith L.; Zeger, Martha P. D.; Kushner, Harvey; Zinn, Andrew R.; Roeltgen, David P. – Developmental Disabilities Research Reviews, 2009
Objective: The goal of this study was to contrast the cognitive phenotypes in boys with 47,XYY (XYY) karyotype and boys with 47,XXY karyotype [Klinefelter syndrome, (KS)], who share an extra copy of the X-Y pseudoautosomal region but differ in their dosage of strictly sex-linked genes. Methods: Neuropsychological evaluation of general cognitive…
Descriptors: Genetic Disorders, Males, Sex, Genetics