n. (Abbr. ADD)
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 disorder characterized by a difficulty in retaining focus, especially on tasks, for long periods of time.
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| ADD (abbreviation) | |
| minimal brain dysfunction | |
| attention deficit hyperactivity disorder |
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