How specific is a deficit of executive functioning for Attention-Deficit/Hyperactivity Disorder?

@article{Sergeant2002HowSI,
  title={How specific is a deficit of executive functioning for Attention-Deficit/Hyperactivity Disorder?},
  author={Joseph A. Sergeant and Hilde M. Geurts and Jaap Oosterlaan},
  journal={Behavioural Brain Research},
  year={2002},
  volume={130},
  pages={3-28}
}
A selective review of research in the executive functioning (EF) is given for attention deficit hyperactivity disorder (ADHD), oppositional defiant disorder (ODD), conduct disorder (CD), higher functioning autism (HFA) and Tourette syndrome. The review is restricted due to changes in the classification of the disorder in recent years and secondly the heterogeneity of EF is restricted to five key areas of concern, inhibition, set shifting, working memory, planning, and fluency. The review makes… 
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TLDR
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Heterogeneity of executive functions among comorbid neurodevelopmental disorders
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The results highlight the heterogeneity of current diagnostic groups and identify an “impaired” EF group, consisting of children with both ASD and ADHD, which could specifically be targeted for EF intervention.
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TLDR
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