ADHD in children is characterized by inattention, hyperactivity, impulsivity, or a
combination of these symptoms, which compromise basic everyday functions such
as learning to read and making friends. In the absence of biomarkers, diagnostic
criteria focus on behavioral symptoms. Since the same characteristics may be observed
in children and adolescents during typical development, the diagnosis of
ADHD calls for symptoms that are severe, out of proportion to expectations according
to the child’s age or developmental level, and persistent and for which there are
no appropriate alternative explanations. The disorder is typically diagnosed in childhood, but affected persons frequently remain symptomatic into adulthood.
ADHD is associated with low rates of high-school graduation and completion of
postsecondary education and poor peer relationships, even when it is appropriately
managed, leading to high economic and social burdens.
ADHD in children is characterized by inattention, hyperactivity, impulsivity, or acombination of these symptoms, which compromise basic everyday functions suchas learning to read and making friends. In the absence of biomarkers, diagnosticcriteria focus on behavioral symptoms. Since the same characteristics may be observedin children and adolescents during typical development, the diagnosis ofADHD calls for symptoms that are severe, out of proportion to expectations accordingto the child’s age or developmental level, and persistent and for which there areno appropriate alternative explanations. The disorder is typically diagnosed in childhood, but affected persons frequently remain symptomatic into adulthood.ADHD is associated with low rates of high-school graduation and completion ofpostsecondary education and poor peer relationships, even when it is appropriatelymanaged, leading to high economic and social burdens.
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