Beginning of Essay
Approximately 3-5% of all American children have an Attention Deficit Disorder (ADD). ADD is a leading cause of school failure and under-achievement. ADD characteristics often arise in early childhood. As many as 50% of children with ADD are never diagnosed. ....

Middle of Essay
.... of Attention Deficit Disorder. The frontal lobes of the brain are thought to be most responsible for the regulation of behavior and attention. They receive information from the lower brain, which regulated arousal and screens incoming messages from within and outside of the body. The limbic system , a group of related nervous system structures located in the midbrain and linked to emotions and feelings, also sends messages to the frontal lobes. Finally, the frontal lobes are suspected to be the site of working memory, the place where information about the immediate environment is considered for memory storage, planning, and future-directed behavio ....