The attention deficit hyperactivity disorder phenotype as a summation of deficits in executive functioning and reward sensitivity: does this explain its relationship with oppositional defiant disorder?

Abstract excerpt

OBJECTIVE: Attention deficit hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD) commonly coexist but the relationship between them has not been well explained. We present a view of the ADHD phenotype as a summation of deficits in executive functioning and reward sensitivity and apply this to explain its co-occurrence with ODD. MODEL: ADHD relates to difficulty in sustaining concentration for...

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