Exaggerated or distorted perceptions, beliefs, or behaviors. Severe decrease in the range and intensity of emotions. Confused and disordered speech. Difficulty maintaining attention. Attention Deficit Disorder Attention Deficit Disorder is a neurobiological disability.
Researchers believe that ADD is due to altered brain biochemistry.
Differences in biochemistry are considered to be the cause of poor regulation of attention, impulsivity and motor activity. ADD characteristics often arise in early childhood. Determining if a child has ADD is a multi-faceted process. ADD is marked by behaviors that are chronic, lasting at least six months with onset before age seven. Difficulty remaining seated.