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Ramos-Sánchez, Carlos Pelayo; Kortekaas, Dianne; Van Biesen, Debbie; Vancampfort, Davy; Van Damme, Tine – Journal of Autism and Developmental Disorders, 2022
This study explored the association between intelligence and motor skills in children with ASD after controlling for Attention Deficit and Hyperactivity Disorder (ADHD) and the associations between motor impairment and intellectual disability (ID) in this population. In total, 120 children with ASD (3-16 years; 81.7% boys) completed a standardized…
Descriptors: Psychomotor Skills, Intelligence, Children, Autism
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Mayes, Susan Dickerson; Waschbusch, Daniel A.; Calhoun, Susan L.; Mattison, Richard E. – Exceptionality, 2020
Little is known about the characteristics of academic overachievers, children whose achievement significantly exceeds IQ. Correlates of overachievement (achievement test scores = 1 SD above IQ), nondiscrepant achievement, and learning disability (LD; achievement = 1 SD below IQ) were analyzed in 1,543 children (739 ADHD, 285 autism, and 519…
Descriptors: Overachievement, Learning Disabilities, Attention Deficit Hyperactivity Disorder, Autism
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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
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Sutton, Griffin P.; Barchard, Kimberly A.; Bello, Danielle T.; Thaler, Nicholas S.; Ringdahl, Erik; Mayfield, Joan; Allen, Daniel N. – Psychological Assessment, 2011
Evaluation of visuoconstructional abilities is a common part of clinical neuropsychological assessment, and the Beery-Buktenica Developmental Test of Visual-Motor Integration (VMI; K. E. Beery & N. A. Beery, 2004) is often used for this purpose. However, few studies have examined its psychometric properties when used to assess children and…
Descriptors: Attention Deficit Hyperactivity Disorder, Intelligence, Neurological Impairments, Injuries
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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