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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)
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)
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 To determine the frequency of medical problems in a large population of children with Down syndrome. STUDY DESIGN Study population included 440 children with Down syndrome (ages 3-14 years) identified primarily through the New York Congenital Malformations Registry. Parents completed questionnaires on medical problems. RESULTS Our study(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)
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)
BACKGROUND The majority of children with 22q11.2DS deletion syndrome (22q11.2DS) have learning disabilities, and a substantial number have mental retardation. Although cognitive data have been reported on several samples of children with 22q11.2DS, data on their early developmental milestones are limited. METHODS The present study used a retrospective(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)