ADHD in Children and Adults

ADHD in Children and Adults: How to Know If You Need an Assessment in Calgary

Does your child struggle with focus, or do you wonder if you have undiagnosed ADHD? Registered Psychologist Lesley Sugden explains the signs, the process, and why an assessment matters.

"They Just Need to Try Harder" And Other Things That Aren't True About ADHD

In over 15 years as a registered psychologist working with children and adults in Calgary, I’ve heard every variation of this phrase. From teachers. From well-meaning relatives. Occasionally, heartbreakingly, from parents who have internalized it themselves. And I understand why — because ADHD doesn’t always look the way people expect it to.

It doesn’t always look like a boy bouncing off the walls. It looks like a 9-year-old girl who daydreams through every lesson and can’t explain why. It looks like a 35-year-old professional who is brilliant in conversation but can’t finish a single project. It looks like a teenager who wants desperately to succeed but loses track of every assignment before it’s due.

ADHD is one of the most misunderstood and misdiagnosed conditions I encounter in my practice — and also one of the most life-changing to finally identify. Because when you have the right diagnosis, you can access the right strategies. And that changes everything.

What Is ADHD, Really?

Attention Deficit Hyperactivity Disorder (ADHD) and Attention Deficit Disorder (ADD) are neurodevelopmental conditions that affect attention, impulse control, executive functioning, and — in some presentations — physical activity levels. They are not character flaws. They are not the result of bad parenting. They are not something a person can simply overcome through effort alone.

ADHD presents in three main ways:

What’s important to understand is that attention difficulties exist on a spectrum. We all have moments of distraction, forgetfulness, and poor focus — especially when we’re stressed, sleep-deprived, or anxious. What distinguishes ADHD is that these difficulties are persistent, present across multiple settings, and significantly impair daily functioning in ways that go well beyond typical variation.

Signs That May Indicate ADHD in Children

I want to be careful here, because not every child who struggles with focus has ADHD. But if several of these patterns are consistent and pervasive — at home, at school, and in social settings — it may be worth exploring an assessment:

That last point — hyperfocus — is one of the most misunderstood aspects of ADHD. Parents sometimes say to me, “But they can focus for hours on video games — how can they have ADHD?” The answer is that ADHD doesn’t mean a person can’t focus on anything. It means they struggle to regulate their attention — to direct it where it’s needed, when it’s needed.

Signs That May Indicate ADHD in Adults

Adult ADHD is significantly underdiagnosed, partly because many adults developed coping strategies in childhood that masked their difficulties — until life got more demanding. Common signs in adults include:

Many of the adults I assess tell me they’ve spent their whole lives wondering why things that seem easy for everyone else feel so hard for them. Getting a diagnosis as an adult isn’t about making excuses — it’s about finally understanding your own brain, and getting access to strategies that actually work for the way you’re wired.

ADHD, Anxiety, and Depression — How They Overlap

One of the most important things I do in an ADHD assessment is rule out other explanations for attention difficulties. Anxiety, depression, sleep disorders, trauma, and chronic stress can all produce symptoms that look remarkably similar to ADHD. And in many cases, these conditions co-exist.

This is why a targeted ADHD assessment conducted by a registered psychologist is so important. It’s not about ticking boxes on a checklist — it’s about understanding the whole person, across multiple domains of functioning, to arrive at an accurate clinical picture.

What Does an ADHD Assessment at Impact Psychological Services Involve?

My ADHD assessment process is thorough, collaborative, and designed to give you genuinely useful answers — not just a label.

  • Initial Consultation

    We begin with a detailed intake conversation covering developmental history, academic history, current functioning at home and work or school, and any concerns from parents, partners, or teachers. For children, I typically gather information from both parents and teachers to get a full picture across settings.

  • Standardized Testing

    I use validated, evidence-based assessment tools to measure attention, executive functioning, impulsivity, processing speed, and working memory. These tests are designed to identify not just whether ADHD is present, but how it presents — and how it is affecting the individual's daily life.

  • Comprehensive Report

    The written report documents findings across all areas assessed, provides a clear diagnostic conclusion, and — critically — includes specific, practical recommendations for school, workplace, and home. For children, this report can be shared directly with teachers and the school team to support accommodation planning.

  • Feedback Meeting

    We review the results together. I take time to explain what the findings mean in plain language, answer every question, and help you understand what comes next. Families tell me this is often the most valuable hour of the entire process.

ADHD Assessment Fees in Calgary

At Impact Psychological Services, an ADHD/ADD assessment is up to $1,750 CAD. This is a targeted assessment focused on attention and its impact on daily functioning. If cognitive ability or academic achievement testing is also recommended, a full psychoeducational assessment may be more appropriate — we’ll discuss this during the initial consultation.

Extended health benefits and Health Spending Accounts frequently cover registered psychologist services. Check with your provider before assuming you’ll be paying the full amount out of pocket.

An Accurate Diagnosis Changes Everything

I’ve watched children go from being labelled as problem students to becoming confident, thriving learners — simply because someone finally understood how their brain works. I’ve watched adults feel a profound sense of relief at finally having a name for something they’ve struggled with their entire lives.

ADHD is not a barrier. It’s a different way of processing the world. With the right support, strategies, and understanding, people with ADHD can and do achieve extraordinary things. But it starts with an accurate picture of what’s actually going on.

Ready to take the next step?

Book an appointment with Lesley today. Call (403) 829-0818. You don’t have to navigate this alone.