Why are stimulants used when the problem is hyperactivity?
A. While the answer to this question is not yet well established, one theory suggests that ADHD is related to difficulties in inhibiting responses to internal and external stimuli. Research suggests that the areas of the brain thought to be involved in planning, foresight, weighing of alternative responses, and inhibiting actions when alternative solutions might be considered, are under-aroused in persons with ADHD and that stimulant medication works on these same areas of the brain, increasing neural activity to more normal levels.
