Damon's teachers frequently complain that he disrupts his kindergarten class by fidgeting and moving about all the time. he does not pay any attention to what is being taught in class and behaves impulsively. considering the presence of the tell-tale characteristics of inattention, hyperactivity, and impulsivity, damon's pediatrician diagnosed him with:

Attention deficit hyperactive disorder(ADHD). It is one of the most common mental disorder diagnosed in children. It is more common in boys than girls. According to the National Institute of Health, the three signs(hyperactivity,impulsivity and inattention), should be present in order to make a diagnosis. Although, some toddlers can present with these signs and not have ADHD,therefore, it is important to take into consideration how long the child has had these behaviours in order to make an accurate diagnosis.