A Longitudinal Twin Study of the Direction of Effects between ADHD Symptoms and IQ

• Anna Sophie Rommel,

  Affiliation King’s College London, Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom

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• Frühling Rijsdijk,

  Affiliation King’s College London, Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom

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• Corina U. Greven,

  Affiliations King’s College London, Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom, Radboud University Medical Centre, Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands, Karakter Child and Adolescent Psychiatry University Center, Nijmegen, The Netherlands

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• Philip Asherson,

  Affiliation King’s College London, Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom

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• Jonna Kuntsi

  * E-mail: jonna.kuntsi@kcl.ac.uk

  Affiliation King’s College London, Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom

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