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The sequencing of chromosome 21 and the use of models of Down's syndrome in mice have allowed us to relate genes and sets of genes to the neuropathogenesis of this syndrome, and to better understand its phenotype. Research in prenatal screening and diagnosis aims to find methods to identify fetuses with Down's syndrome, and reduce or eliminate the need for(More)
PURPOSE To determine the natural history of treated and untreated congenital toxoplasmosis and impact of this infection on vision. METHODS In this prospective, longitudinal study, 76 newborns were treated with pyrimethamine and sulfadiazine for approximately one year, and 18 individuals not treated during their first year of life entered the study after(More)
OBJECTIVE To examine prevalence rates of psychopathology in children with velocardiofacial syndrome (VCFS). METHOD One hundred fifty-four children ages 6 to 15 participated in our between-group design with three samples, 84 children with VCFS (37 girls, 47 boys), 32 sibling controls (18 girls, 14 boys), and 38 community controls (12 girls, 26 boys). The(More)
Comparisons of lymphocyte surface phenotypes and functions were made among 25 pediatric patients with congenital toxoplasmosis (ages 1 month to 5 years) and 24 uninfected babies, a baby with postnatally acquired infection, and 6 uninfected, 7 recently infected, and 6 chronically infected adults. Percentages of lymphocytes with B1, T11, T3, T4, T8, T6, B4,(More)
The goals of this study were to examine the factor structure of the Wender Utah Rating Scale (WURS), to evaluate potential gender differences in factor composition, and to assess the reliability of the scale. The WURS was completed by 310 fathers and 305 mothers of children referred for evaluation of Attention-Deficit Hyperactivity Disorder (ADHD). For(More)
Between December 1981 and May 1991, 44 infants and children with congenital toxoplasmosis were referred to our study group. A uniform approach to evaluation and therapy was developed and is described herein along with the clinical characteristics of these infants and children. In addition, case histories that illustrate especially important clinical(More)
BACKGROUND Without treatment, congenital toxoplasmosis has recurrent, recrudescent, adverse outcomes. Long-term follow-up of infants with congenital toxoplasmosis treated throughout their first year of life with pyrimethamine and sulfadiazine has not been reported. METHODS Between 1981 and 2004, one hundred twenty infants (current mean age +/- standard(More)
Adaptive functioning was examined in children with Attention Deficit Hyperactivity Disorder (ADHD) or Attention Deficit Disorder (ADD), and a psychiatric comparison group of children with pervasive developmental disorders or mild mental retardation (PDD/MR). As assessed with the Vineland Adaptive Behavior Scales, adaptive functioning was well below average(More)
OBJECTIVE The purpose of this study was to determine whether demographic characteristics, history of exposure to recognized transmission vehicles, or illness that was compatible with acute toxoplasmosis during gestation identified most mothers of infants with congenital toxoplasmosis. STUDY DESIGN Mothers of 131 infants and children who were referred to a(More)
OBJECTIVE To evaluate the utility of the Vineland Social Adaptive Scale (Vineland) in measuring social adaptive functioning in children with attention-deficit hyperactivity disorder (ADHD). DESIGN Cross-sectional group comparison. SETTING Multidisciplinary hyperactivity and learning problem clinic at a tertiary referral center in Chicago, Ill. (More)