ADHD in Children: Why Parents Shouldn't Dismiss Hyperactivity as Normal

Professor Hwang Hyun-chan, Department of Psychiatry, Chung-Ang University Hospital

- Often diagnosed in early elementary school years

- Linked to delayed neural circuit development including prefrontal cortex

- Treatment combines medication, behavioral therapy, and parent education

Attention-Deficit/Hyperactivity Disorder (ADHD) is one of the most common childhood and adolescent conditions seen in psychiatric outpatient clinics. Global prevalence among school-age children ranges from 3% to 8%. While ADHD can be diagnosed from childhood through adulthood, many cases are identified when children in first or second grade visit hospitals due to inability to focus during class or restless behavior.

ADHD is a neurodevelopmental disorder linked to delayed development of neural circuits, particularly those involving the prefrontal cortex—the brain's command center located at the front of the frontal lobe. Core symptoms include inattention, hyperactivity, and impulsivity. Children may struggle to follow instructions completely, frequently lose belongings, have difficulty sitting still, or act hastily.

To ensure timely treatment, parents should compare their child's behavior to peers. Young children are naturally restless and impulsive. However, persistent hyperactivity or impulsivity markedly exceeding peers warrants careful observation. ADHD should also be suspected when children are excessively sensitive or struggle with emotional regulation and calming down.

Teachers at schools and academies can more easily identify unusually restless children through daily comparison with peers. If a child repeatedly receives feedback such as "cannot sit still," "has difficulty following rules," or "appears distracted during class," and these issues cause problems at school, academies, or home, parents should consider consulting a psychiatrist.

When parents visit hospitals with concerns about their child, clinicians first assess the child's psychological state through interviews and behavioral observation. They then confirm main symptoms and overall developmental history through parent interviews. When ADHD is suspected, comprehensive psychological testing systematically evaluates cognitive function, attention, social skills, and emotional state. Additional assessments including projective tests, personality inventories, temperament evaluations, and self-report measures may examine emotional difficulties, personality traits, and other psychiatric conditions.

Following comprehensive evaluation, a confirmed ADHD diagnosis leads to medication, behavioral therapy, and parent education. Any co-existing conditions are treated simultaneously.

While medication plays an important role in ADHD treatment, not every child requires it. Since ADHD is developmental, symptom management is the treatment's core objective. Children with ADHD frequently receive criticism for daily habits and problematic behaviors. Because starting and sustaining tasks is difficult, they tend to accumulate failures rather than achievements. Appropriate treatment can improve concentration, and experiencing positive changes can enhance confidence and self-efficacy.

Parental involvement is paramount in treating children with ADHD. Understanding a child's symptoms and behavioral characteristics while providing a positive, consistent parenting environment greatly supports treatment. Even when correcting misbehavior, conversations dominated by commands, directives, and control—or repeated arguments—are counterproductive. Parents should first create a calm atmosphere, confirm their child is fully attentive, then deliver messages firmly.

Recognizing effort and small achievements with specific praise is crucial. Encouragement such as "You made a mistake this time, but you'll do better next time" significantly boosts a child's self-esteem and motivation.

ADHD cannot be viewed simply as an inability to focus. Without proper symptom management, it can lead to academic underperformance, peer relationship conflicts, low self-esteem, and behavioral problems. Early intervention from child and adolescent psychiatry specialists can help both children and parents achieve much more comfortable daily lives.

If your child's behavior concerns you, don't struggle alone—visit a hospital. Not being afraid to ask questions is the first step toward your child's healthy development.