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    Article

    A Twin Study of Inhibitory Control at Age Two and ADHD Behavior Problems at Age Three

    Low levels of childhood inhibitory control (IC) are phenotypically and genetically associated with externalizing behavior problems and attention deficit hyperactivity disorder (ADHD). Unfortunately, there is l...

    Jeffrey R. Gagne, Philip Asherson, Kimberly J. Saudino in Behavior Genetics (2020)

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    Chapter

    Attention-Deficit Hyperactivity Disorder (ADHD)

    People with intellectual disability (ID) are more susceptible to mental disorders including mental illness and developmental disorders, such as autism and attention-deficit hyperactivity disorder (ADHD). Ident...

    Kiriakos Xenitidis, Stefanos Maltezos… in Handbook of Psychopathology in Intellectua… (2014)

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    Article

    Hyperactive-Impulsive Symptom Scores and Oppositional Behaviours Reflect Alternate Manifestations of a Single Liability

    Attention deficit hyperactivity disorder and oppositional behaviours frequently co-occur, We aimed to study the etiology of this overlap in a general population–based twin sample, assessing the symptom domains...

    Alexis C. Wood, Frühling Rijsdijk, Philip Asherson, Jonna Kuntsi in Behavior Genetics (2009)

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    Article

    High Heritability for a Composite Index of Children’s Activity Level Measures

    Despite the high heritability of children’s activity level, which forms part of the core symptom domain of hyperactivity-impulsivity within attention deficit hyperactivity disorder (ADHD), there has only been ...

    Alexis C. Wood, Frühling Rijsdijk, Kimberly J. Saudino… in Behavior Genetics (2008)

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    Article

    Continuity and Change in Preschool ADHD Symptoms: Longitudinal Genetic Analysis with Contrast Effects

    The genetic and environmental mediation of continuity and change in parent-reported ADHD symptoms were investigated in a cohort of over 6000 twin pairs at 2, 3 and 4 years of age. Genetic analyses of the cross...

    Thomas S. Price, Emily Simonoff, Philip Asherson, Sarah Curran… in Behavior Genetics (2005)