For both children and adults the primary symptoms that define adhd include impulsivity hyperactivity and inattention not all individuals with adhd will display these symptoms in the same way or to the same degree and you may certainly see changes in the way the symptoms manifest as individual ages and moves through different stages of life. Symptoms of adult adhd attention deficit hyperactivity disorder adhd affects about 5 percent of children and about half of them will carry those symptoms into adulthood says the american . Behavior modification strategies aimed at increasing appropriate behaviors and decreasing inappropriate behaviors based on the childs symptoms behavioral parent training training parents to respond in a way that will promote the childs healthy growth and development and strengthen the parent and child relationship social skills training provides a safe environment for a child to . The symptoms of attention deficit hyperactivity disorder adhd can be categorised into 2 types of behavioural problems inattentiveness and hyperactivity and impulsiveness most people with adhd have problems that fall into both these categories but this is not always the case. Attention deficit hyperactivity disorder is a brain disorder that affects how you pay attention sit still and control your behavior it happens in children and teens and can continue into adulthood