They seem to exist in a whirlwind of disorganized or frenzied activity. Sometimes they seem fine. This can make others think they have control over these behaviors. It can affect the child's relationships with other people and is very disruptive to their daily life. The ones that are also hyperactive are not only extremely active, but disruptive, particularly in the age range of elementary school children.
Problems become evident at school when the child has to maintain attention for long periods of time.
Their impulsive behavior and inability to pay proper attention interferes with learning. A.D.D. is not a specific learning disability. Children have difficulty performing in school due to poor organization, being impulsive, and inattention. They are not unable to learn, but simply unavailable to learn. These children do not routinely show signs of serious emotional disturbance, but may develop problems with low self-esteem if not properly treated.