Attention-deficit-hyperactivity-disorder definition

A syndrome, usually diagnosed in childhood, characterized by a persistent pattern of impulsiveness, a short attention span, and often hyperactivity, and interfering especially with academic, occupational, and social performance.
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A psychological disorder, assessed on the basis of behavior appropriate to a given mental age, characterized by inability to concentrate, hyperactivity, impulsiveness, etc.
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A neurodevelopmental disorder that begins in childhood, characterized by persistent impulsiveness, difficulties in focusing on tasks or paying attention, and often hyperactivity, and interfering especially with academic, occupational, and social performance.
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A syndrome of disordered behavior, usually diagnosed in childhood, characterized by a persistent pattern of impulsiveness, inattentiveness, and sometimes hyperactivity that interferes with academic, occupational, or social performance.
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(neurology, pathology) A developmental disorder in which a person has a persistent pattern of impulsiveness and inattention, with or without a component of hyperactivity.
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Alternative form of attention deficit hyperactivity disorder.
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