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The analysis of 51 genes in DSM-IV combined type attention deficit hyperactivity disorder: association signals in DRD4, DAT1 and 16 other genes
Attention deficit hyperactivity disorder (ADHD) is a common neurodevelopmental disorder, starting in early childhood and persisting into adulthood in the majority of cases. Family and twin studiesExpand
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Autism symptoms in Attention-Deficit/Hyperactivity Disorder: A Familial trait which Correlates with Conduct, Oppositional Defiant, Language and Motor Disorders
It is hypothesised that autism symptoms are present in Attention-Deficit/Hyperactivity Disorder (ADHD), are familial and index subtypes of ADHD. Autism symptoms were compared in 821 ADHD probands,Expand
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Performance variability, impulsivity errors and the impact of incentives as gender-independent endophenotypes for ADHD.
BACKGROUND Attention-deficit hyperactivity disorder (ADHD) is one of the most common and highly heritable child psychiatric disorders. There is strong evidence that children with ADHD show slower andExpand
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DSM‐IV combined type ADHD shows familial association with sibling trait scores: A sampling strategy for QTL linkage
Attention deficit hyperactivity disorder (ADHD) is a discrete clinical syndrome characterized by the triad of inattention, hyperactivity, and impulsivity in the context of marked impairments.Expand
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Delay and reward choice in ADHD: an experimental test of the role of delay aversion.
Children with attention deficit/hyperactivity disorder (ADHD) choose smaller sooner (SS) over larger later (LL) rewards more than controls. Here we assess the contributions of impulsive drive forExpand
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A high-density SNP linkage scan with 142 combined subtype ADHD sib pairs identifies linkage regions on chromosomes 9 and 16
As part of the International Multi-centre ADHD Genetics project we completed an affected sibling pair study of 142 narrowly defined Diagnostic and Statistical Manual of Mental Disorders, fourthExpand
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Co-transmission of conduct problems with attention-deficit/hyperactivity disorder: familial evidence for a distinct disorder
SummaryCommon disorders of childhood and adolescence are attention-deficit/hyperactivity disorder (ADHD), oppositional defiant disorder (ODD) and conduct disorder (CD). For one to two cases in threeExpand
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Parenting Stress in Families of Children with Attention-Deficit/Hyperactivity Disorder: The Impact of ADHD Subtype and Oppositional Defiant Disorder Comorbidity
In this chapter, we present the results of a study designed to investigate: (a) the family relations of children with attention-deficit hyperactivity disorder (ADHD), (b) the sources of stressExpand
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