An inability to control behavior due to difficulty in processing neural stimuli. In November, 1998 the National Institutes of Health (NIH) issued a consensus report developed by a panel of experts. The panel concluded that: Ritalin and other therapies may correct classroom behavior problems but there is no evidence that this improves a child's [..]

(abbreviated ADD) became a diagnosis in the third edition of the "Diagnostic and Statistical Manual of Mental Disorders" (1980); expanded to attention deficit hyperactivity disorder ("t [..]

An impairment in the ability to focus or maintain attention.

Attention Deficit Disorder (ADD) is a common behavioral disorder affecting both children and adults. The symptoms of ADD include trouble concentrating, trouble staying organized, and impulsive behavio [..]

A mental disorder, with onset in childhood, characterised by developmentally inappropriate inattention, impulsiveness, and varying hyperactivity.

A lifelong developmental disability (with onset in infancy, childhood, or adolescence) that affects a child’s ability to concentrate and control impulses. A child who has ADD is not hyperactive, but o [..]

see ADHD

 An out-of-date term that was previously used to describe children who have difficulty paying attention, but are not significantly impulsive or hyperactive. Today the term ADD is usually used to descr [..]

A neurobiologically based disability that has pervasive, variable, and potentially lifelong effects. Implicated areas of human functioning include self-regulation, organization, neuromotor integration, coordination, judgment, rule-governed and reward-response behavior, self worth, school, work and interpersonal performance. Early identification and [..]

see ADHD

ADD/ADHD in the DSM (Diagnostic Statistical Manuel) IV refers to 1) Attention Deficit/Hyperactivity Disorder Combined Type, 2) Attention Deficit/Hyperactivity Disorder/Predominately Inattentive Type, [..]

Attention deficit disorder is an older name for attention deficit hyperactivity disorder.

ADD can cause difficulty in regulating attention effectively, including paying appropriate attention for the required amount of time and the ability to shift attention to another task. As a consequenc [..]

A severe difficulty in focusing and maintaining attention. Often leads to learning and behavior problems at home, school, and work. Also called Attention Deficit Hyperactivity Disorder (ADHD).