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Kuny, Ana V.; Althoff, Robert R.; Copeland, William; Bartels, Meike; Van Beijsterveldt, C. E. M.; Baer, Julie; Hudziak, James J. – Journal of the American Academy of Child & Adolescent Psychiatry, 2013
Objective: Although oppositional defiant disorder (ODD) is usually considered the mildest of the disruptive behavior disorders, it is a key factor in predicting young adult anxiety and depression and is distinguishable from normal childhood behavior. In an effort to understand possible subsets of oppositional defiant behavior (ODB) that may…
Descriptors: Behavior Disorders, Mothers, Twins, Children
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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
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Jepsen, Jens Richardt M.; Fagerlund, Birgitte; Mortensen, Erik Lykke – Journal of Attention Disorders, 2009
Objective: To characterize the relationship between IQ and attention deficits in children with ADHD and to estimate the inattention-related mean influence on IQ when children are tested before stimulant drug treatment has been initiated. Method: Studies of various methodologies are reviewed. Results: Correlation studies show mostly weak…
Descriptors: Stimulants, Attention Deficit Hyperactivity Disorder, Intelligence Quotient, Drug Therapy