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Understanding ADHD Symptoms in Children and Teenagers

By Dr. Douglas Cowan, Psy.D., MFT

*By Dr. Douglas Cowan, Psy.D., MFT*

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Every parent has a moment when the question surfaces.

Maybe a teacher said something. Maybe you've been watching your child struggle for a while and something doesn't quite add up. Maybe you've read enough to know that what you're seeing is more than just a phase.

ADHD affects approximately one in nine children in the United States. It is one of the most common and most misunderstood neurological conditions of childhood. And because it looks different in different children — sometimes loud and disruptive, sometimes quiet and drifting, sometimes rigid and anxious — it gets missed, mislabeled, and mishandled more often than it should.

This article will help you see it clearly.

What's Happening in the Brain

ADHD is a neurodevelopmental condition. That means it involves the developing brain — specifically the prefrontal cortex, which governs attention, planning, impulse control, organization, and emotional regulation. In children with ADHD, this part of the brain develops more slowly than in their peers, and it does not activate as reliably.

The result is a child who genuinely struggles to do things that other children seem to do naturally — sit still, wait, follow instructions, finish tasks, manage frustration. Not because he doesn't want to. Because his brain is still building the tools to do those things.

This is not a character flaw. This is a brain in development, working hard under significant load, needing more time and more support than the average brain does.

Now You Understand Why

There are three core profiles of ADHD, and knowing which one you're looking at matters.

The inattentive profile looks like daydreaming, forgetting, losing things, and drifting. This child does not usually disrupt the classroom. He just quietly falls behind. Girls are especially likely to show this profile, and especially likely to be missed.

The hyperactive-impulsive profile is the one most people picture when they hear ADHD — constant movement, blurting, interrupting, impulsive decisions, low frustration tolerance. This child is visible. He is often labeled long before he is helped.

The combined profile is both at once — the child who is distracted and impulsive, forgetful and explosive, drifting in one moment and bouncing off the walls in the next.

Beyond these three, there are additional profiles — the over-focused child who gets stuck and rigid, and the anxious child whose worry and ADHD feed each other in a difficult loop. Both are real. Both are common. Both are frequently missed.

What all of them share: a brain that needs more patience, more structure, and more targeted support than the standard environment typically provides.

What Wisdom Looks Like Here

The single most important thing a parent can do when ADHD is suspected is get a proper evaluation — not a label, but an explanation. An explanation changes everything. It changes how you see your child. It changes how your child sees himself. And it opens the door to real, targeted help.

The second most important thing is to approach this without shame — yours or your child's. ADHD is genetic. It runs in families. If your child has it, there is a good chance someone in your family tree has it too. This is not about what you did wrong. This is about what your child needs going forward.

What To Do Starting Today

Your child is not broken. He is not bad. He has a brain that needs better tools — and better tools exist.

The door is open. Let's go find them together.

References

1. Barkley, R. A. (2015). *Attention-Deficit Hyperactivity Disorder: A Handbook for Diagnosis and Treatment* (4th ed.). Guilford Press.

2. Faraone, S. V., et al. (2021). The World Federation of ADHD International Consensus Statement. *Neuroscience & Biobehavioral Reviews, 128*, 789–818.

3. American Psychiatric Association. (2013). *Diagnostic and Statistical Manual of Mental Disorders* (5th ed.). APA Publishing.

4. Willcutt, E. G. (2012). The prevalence of DSM-IV attention-deficit/hyperactivity disorder: A meta-analytic review. *Neurotherapeutics, 9*(3), 490–499.

5. Quinn, P. O., & Madhoo, M. (2014). A review of ADHD in women and girls. *The Primary Care Companion for CNS Disorders, 16*(3).

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Educational content only. This article is not a substitute for professional diagnosis or treatment. If you are in crisis, contact a qualified professional or, in the US, call or text 988.