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Direct linkRebecca M. Pollak; T. Lindsey Burrell; Joseph F. Cubells; Cheryl Klaiman; Melissa M. Murphy; Celine A. Saulnier; Elaine F. Walker; Stormi Pulver White; Jennifer G. Mulle – Journal of Autism and Developmental Disorders, 2024
3q29 deletion syndrome (3q29del) is associated with neuropsychiatric and neurodevelopmental phenotypes. We previously reported that graphomotor weakness is present in up to 78% of individuals with 3q29del. We have now explored nuances of the graphomotor phenotype and its association with other comorbidities in this population. Participants were…
Descriptors: Genetic Disorders, Neurodevelopmental Disorders, Psychomotor Skills, Visual Perception
Kan, Kees-Jan; Dolan, Conor V.; Nivard, Michel G.; Middeldorp, Christel M.; van Beijsterveldt, Catharina E. M.; Willemsen, Gonneke; Boomsma, Dorret I. – Journal of the American Academy of Child & Adolescent Psychiatry, 2013
Objective: To review findings on attention-deficit/hyperactivity disorder and attention problems (AP) in children, adolescents, and adults, as established in the database of the Netherlands Twin Register and increase the understanding of stability in AP across the lifespan as a function of genetic and environmental influences. Method: A…
Descriptors: Attention Deficit Hyperactivity Disorder, Genetics, Foreign Countries, Environmental Influences
Greven, Corina U.; Rijsdijk, Fruhling V.; Plomin, Robert – Journal of Abnormal Child Psychology, 2011
A previous paper in this journal revealed substantial genetic overlap between the ADHD dimensions of hyperactivity-impulsivity and inattentiveness in a sample of 8-year old twins drawn from a UK-representative population sample. Four years later, when the twins were 12 years old, more than 5,500 pairs drawn from the same sample were rated again on…
Descriptors: Twins, Early Adolescents, Rating Scales, Genetics
Niklasson, Lena; Gillberg, Christopher – Research in Developmental Disabilities: A Multidisciplinary Journal, 2010
The primary objective of this study was to study the impact of ASD/ADHD on general intellectual ability and profile, executive functions and visuo-motor skills in children and adults with 22q11 deletion syndrome (22q11DS). A secondary aim was to study if gender, age, heart disease, ASD, ADHD or ASD in combination with ADHD had an impact on general…
Descriptors: Heart Disorders, Intelligence Quotient, Neuropsychology, Etiology
Dodd, Helen F.; Porter, Melanie A. – Journal of Mental Health Research in Intellectual Disabilities, 2009
This research aimed to comprehensively explore psychopathology in Williams syndrome (WS) across the life span and evaluate the relationship between psychopathology and age category (child or adult), gender, and cognitive ability. The parents of 50 participants with WS, ages 6-50 years, were interviewed using the Schedule for Affective Disorders…
Descriptors: Mental Disorders, Attention Deficit Hyperactivity Disorder, Psychopathology, Cognitive Ability
Nijmeijer, J. S.; Hoekstra, P. J.; Minderaa, R. B.; Buitelaar, J. K.; Altink, M. E.; Buschgens, C. J. M.; Fliers, E. A.; Rommelse, N. N. J.; Sergeant, J. A.; Hartman, C. A. – Journal of Abnormal Child Psychology, 2009
The aims of this study were to investigate whether subtle PDD symptoms in the context of ADHD are transmitted in families independent of ADHD, and whether PDD symptom familiality is influenced by gender and age. The sample consisted of 256 sibling pairs with at least one child with ADHD and 147 healthy controls, aged 5-19 years. Children who…
Descriptors: Siblings, Social Behavior, Attention Deficit Hyperactivity Disorder, Anxiety
