“Stop Using ADHD
as an Excuse.”
The five words that have done more damage to more children than almost anything else I see in my consulting room. Let me explain why — and what’s actually going on inside your child’s brain.
I’ve been sitting across from exhausted parents for over 25 years. And in almost every consultation, I hear some version of the same story.
The teacher says he’s just not trying. The grandmother says a bit more discipline would sort it out. Dad says she was fine until she discovered she could “use ADHD” to get out of things. The coach says he needs to toughen up. And somewhere in the middle of all that noise, a child is sitting quietly — not manipulating anyone — simply unable to do what’s being asked of them, while everyone around them assumes they’re choosing not to.
That assumption is catastrophically wrong. And it is causing real, lasting harm.
“Your child is not lying awake at night plotting how to make your morning terrible. They are doing the best they can with the brain they have. And right now, that brain needs support — not blame.”
This article is for every teacher who has ever written “could do better if he tried” on a report card without wondering why he isn’t trying. It’s for every grandparent who’s handed a child more consequences and wondered why nothing changed. And it’s for every parent who secretly fears that everyone might be right — that maybe this really is a discipline problem, not a brain problem.
It is a brain problem. I have the evidence. Let’s go through it together.
“I Won’t” vs “I Can’t”:
The Difference That Changes Everything
This is the single most important distinction in all of ADHD. When people accuse a child of “using ADHD as an excuse,” they are confusing a won’t with a can’t.
A child choosing not to do something looks very similar on the outside to a child who genuinely cannot do something right now. Both result in the same outcome: the task doesn’t get done. But the cause — and therefore the correct response — is completely different.
A neurotypical child told to sit down and focus can generally do so, even if they’d rather not. It might take some effort. It might require some motivation. But the hardware is there. The brakes work. The pause button is functional.
A child with ADHD asked to sit down and focus in a dull, low-stimulation environment is not choosing to fail. Their pause button — technically called inhibitory control, sitting in the prefrontal cortex — is genuinely not functioning the way yours does. This isn’t a moral failing. It’s neurology.
Child has the ability but chooses not to apply it
Motivation or incentive will change the behaviour
The child can consistently perform the task in preferred contexts
No neurological barrier to compliance
Appropriate response: clear boundaries, consistent consequences
Child genuinely lacks reliable access to the required skill right now
More pressure and punishment increases anxiety, not performance
Child may briefly succeed under high stress, then collapse again — this is not proof it’s a “won’t”
The dopamine system and prefrontal cortex are structurally different
Appropriate response: scaffolding, structure, understanding, and clinical support
From the Consulting Room
Dr John Flett · The Assessment Centre, Kloof
I see this misunderstanding every week. A child with ADHD plays video games for three hours without any apparent difficulty, then can’t do fifteen minutes of homework. To the observer, this looks like pure manipulation. “He can focus when he wants to.”
Here’s what’s actually happening. Video games provide constant, rapid-fire dopamine stimulation — the exact neurochemical the ADHD brain is chronically short of. Homework does not. The child isn’t choosing to focus on one and not the other. His brain is being driven to the dopamine, like a car with no petrol that can only roll downhill.
That’s not an excuse. That’s physiology.
What’s Actually Different
Inside the ADHD Brain
ADHD is not a behaviour problem. It is a neurodevelopmental condition with measurable, documented differences in brain structure and chemistry.
This isn’t opinion. This isn’t an excuse industry. This is thirty years of neuroimaging research involving hundreds of thousands of children — and it tells a consistent story. These brains are genuinely wired differently.
Prefrontal Cortex — The Pause Button
Reduced activation and delayed maturation — often 2–3 years behind. This region controls impulse control, planning, and the ability to stop before acting. It is structurally less active in ADHD brains.
Dopamine — The Motivation Chemical
The ADHD brain produces less dopamine and has fewer dopamine receptors in reward pathways. Without adequate dopamine signalling, starting boring tasks feels literally impossible — not just unpleasant.
Working Memory — The Mental Desk
Working memory in ADHD is like a school bag with a broken zip. Instructions fall out. Steps are lost. By the time a child gets to step three, step one has vanished. This is not carelessness — it’s structural.
Time Blindness — Now or Not Now
Neuroimaging shows the ADHD brain struggles to perceive time intervals accurately. Future events feel abstract and unreal. “Tomorrow” might as well be never. This is why urgency and deadlines often only register at the last possible moment.
Emotional Amplifier — Feelings Too Big
The amygdala — the brain’s emotional alarm — fires more intensely and is less well regulated by the prefrontal cortex in ADHD. Small frustrations become enormous. Transitions feel catastrophic. The child isn’t being dramatic. Their emotional volume knob is stuck on ten.
The Default Mode Network — Mind in Overdrive
In neurotypical brains, the default mode network quietens during focused tasks. In ADHD, it stays active — producing constant background chatter, daydreaming, and intrusive thoughts. The child isn’t choosing to zone out. Their brain keeps interrupting itself.
Sources: Shaw et al. (2007) PNAS; Faraone et al. (2021) Neuroscience & Biobehavioral Reviews; Polanczyk et al. (2015) International Journal of Epidemiology.
“They’re Just
Doing It for Attention”
I want to address this directly, because it causes so much damage. Children with ADHD are not running covert operations against the adults in their lives.
They are not lying awake at night constructing strategies to avoid homework. They are not smiling to themselves as they engineer your morning into chaos. They are not cleverly manipulating the system by “choosing” to forget things, lose things, melt down at dinner, or explode over a sock seam.
I know how it can look that way. I understand why a parent at their wit’s end, who has tried everything, might start to wonder. But here is what the evidence tells us — consistently and without ambiguity.
“The ADHD child who ‘conveniently forgets’ their homework is not being strategic. Their working memory genuinely failed. The child who explodes over a small frustration is not manipulating — their amygdala just fired with three times the intensity of yours.”
The confusion arises because ADHD behaviours look voluntary. A child screaming about getting dressed looks like a child choosing to scream. A child who “can’t” start a piece of work looks like a child who won’t. A teenager who forgets to take their medication looks like a teenager who doesn’t care.
But consider this: if these children were genuinely choosing to behave this way — if they were truly making cold, calculated decisions to fail, to upset the people they love, and to undermine their own success — then what on earth would be their motive? Children desperately want to please the adults in their lives. They want to succeed. They want to fit in. The idea that a child prefers the daily humiliation, conflict, and shame of ADHD failure is not just unkind. It is absurd.
The Question to Ask Yourself
Before assuming “won’t,” ask: “Does my child have the consistent skill to do this in all contexts?” If the answer is no — if they can sometimes do it but not reliably — that’s a “can’t,” not a “won’t.” Skill deficits, not will deficits. That changes everything about how you respond.
ADHD Rarely Travels Alone:
The Comorbidities Nobody Tells You About
This is where the “just lazy” narrative collapses completely. Because most children with ADHD are also fighting one or more additional battles — completely invisible to the adults demanding they “just try harder.”
In over 25 years of practice, I can count on one hand the number of children I’ve diagnosed with “pure” ADHD — no associated difficulties whatsoever. The reality is that ADHD almost always comes with company. Understanding what that company looks like is essential, because each additional challenge makes the “just try harder” demand not just unhelpful, but actively cruel.
Anxiety Disorder
Half of all children with ADHD also carry significant anxiety. The constant experience of falling short, forgetting, and disappointing people creates a chronic state of fear. Punishment doesn’t motivate an anxious child — it paralyses them further.
Oppositional Defiant Disorder (ODD)
Often mislabelled as “deliberately difficult,” ODD involves persistent patterns of angry, irritable mood that arise from years of failure and misunderstanding. The defiance is a trauma response, not a character trait.
Dyslexia / Specific Reading Disorder
A quarter of children with ADHD also struggle with reading and phonological processing. Imagine being told to “just read it properly” when letters genuinely don’t stay still on the page.
Developmental Co-ordination Disorder (DCD)
Affecting motor planning and coordination, DCD makes handwriting painful, sport humiliating, and classroom tasks physically exhausting. “Just write neater” is not a helpful instruction to a child whose motor system doesn’t cooperate.
Depressive Disorders
Years of failure, criticism, and social rejection take a toll. By adolescence, a significant proportion of young people with unmanaged ADHD develop clinical depression. The “excuse” narrative is a direct contributor to this outcome.
Autism Spectrum (AuDHD)
The overlap between ADHD and autism is now well established. These children face double the sensory overwhelm, double the social confusion, and double the misunderstanding — while being accused of double the laziness.
Sleep Disorders
Children with ADHD frequently struggle to fall asleep, stay asleep, or wake refreshed. An under-slept ADHD brain performs catastrophically worse. Asking a sleep-deprived child to concentrate is like asking someone to sprint on a broken leg.
Sensory Processing Difficulties
Many children with ADHD experience the physical world with extraordinary intensity. Sock seams feel like razor blades. Classroom noise is overwhelming. Uniform fabric is agony. These are not preferences — they are genuine sensory differences.
What This Means in Practice
When you tell a child with ADHD, anxiety, dyslexia, and sleep difficulties to “just try harder” — you are asking someone to sprint a marathon on a broken leg, in the dark, while carrying a heavy backpack, after no sleep, and then blaming them when they fall down. Understanding this isn’t making excuses. It’s having the honesty to see the whole picture.
The Authoritarian Approach:
Why It Makes Things Worse
I want to be direct here, because this matters enormously. Punitive, authoritarian approaches to ADHD behaviour don’t just fail to work. They actively cause harm.
The research on this is not ambiguous. High levels of criticism, harsh punishment, and authoritarian control in families with ADHD children are associated with worse outcomes across every domain — academic performance, emotional wellbeing, self-esteem, and long-term mental health. Not better outcomes. Worse ones.
This is not an anti-discipline argument. Structure is one of the most powerful tools we have for ADHD. But there is a profound difference between warm, consistent, predictable structure — which ADHD brains desperately need — and punitive, shame-based authoritarianism, which compounds every difficulty the child already has.
Authoritarian Punishment Approach
“You should be ashamed of yourself” — shame activates the threat response, making the prefrontal cortex even less accessible. You are literally reducing their capacity to comply.
Consequences for things the child cannot reliably control (e.g. forgetting, losing focus, emotional outbursts) teach the child they are bad — not that the behaviour needs to change.
Removal of all enjoyable activities as punishment removes dopamine sources — making attention, motivation, and emotional regulation worse, not better.
Shouting and confrontation escalates the emotional amplifier, flooding the brain with cortisol and making calm behaviour physiologically impossible.
Children who receive primarily negative feedback develop negative self-concept by age 8–10. This becomes a self-fulfilling prophecy lasting into adulthood.
Research outcome: Higher rates of ODD, depression, anxiety, school dropout, and substance use in adolescence and early adulthood.
Informed Structure & Support Approach
“I can see this is hard for you. Let’s break it down together.” — Safety activates the social engagement system, making the prefrontal cortex more accessible. Regulation improves.
Focus consequences only on behaviours that are genuinely within the child’s control at this stage of development. This requires knowing what they can and cannot reliably do.
Protect access to physical exercise and enjoyable activities — these are neurological necessities, not rewards. Exercise is the most powerful non-medication intervention available.
Anticipate and pre-empt emotional escalation. Recognise the early signs. Intervene before the eruption, not after. “I can see things are getting big — let’s move.”
Aim for a 5:1 positive-to-negative ratio in your interactions. Children who feel fundamentally valued will work harder for you than any punishment can achieve.
Research outcome: Better academic engagement, lower rates of mental health difficulties, stronger parent–child relationship, and better long-term outcomes in all domains.
Five Things to Do
Instead of “Try Harder”
This is where understanding becomes action. Because once you understand what’s actually happening in your child’s brain, you can respond in ways that genuinely help.
- 1
Get the diagnosis right — and treat the whole child. ADHD almost always comes with comorbidities. Treating ADHD without identifying and addressing the anxiety, the sleep difficulty, the sensory sensitivities, or the learning difference beneath it is like fixing one flat tyre and wondering why the car still won’t go. A proper assessment changes everything.
- 2
Build external scaffolding for internal weaknesses. Working memory is weak — use written lists and visual schedules. Time blindness is real — use timers and visible clocks. Transitions are hard — give five-minute warnings. The brain can’t do what it can’t do. Your job is to build the support around it.
- 3
Protect the Foundational Five — every day, without exception. Protein at breakfast (feeds the dopamine system). Eight to nine hours of sleep (non-negotiable for an ADHD brain). Forty-five minutes of aerobic exercise (the single most powerful non-medication intervention). Adequate hydration. Emotional safety at home. These aren’t nice-to-haves. They’re neurological necessities.
- 4
Change how you give instructions. One instruction at a time. Face-to-face, not across the room. Check understanding before walking away. Break tasks into steps the child can see the end of. Use “first… then…” structures. The way you communicate is the most powerful tool you have.
- 5
Seek understanding before consequences. Before reacting to behaviour, ask: “Does my child have the consistent skill to do this?” If not — build the skill first. If yes — then look at what might be getting in the way. Always curiosity before criticism. Always. A child who feels understood will work with you. A child who feels judged will only work against you.
To Every Teacher, Grandparent,
and Coach Who Thinks It’s an Excuse
I say this with respect, because I know most of you are trying to help. You believe discipline builds character. You believe that children need to learn resilience. You’re right about both.
But resilience is built through being supported through difficulty — not through being shamed into believing you’re the difficulty. A child who is told often enough that their struggles are laziness does not become more resilient. They become convinced they are fundamentally broken. That belief follows them into adulthood. I see the wreckage every week in my consulting rooms.
“You cannot discipline a child out of a neurological difference any more than you can discipline a shortsighted child into seeing clearly. What you can do is give them the glasses — and watch them transform.”
The teachers who change the lives of children with ADHD are not the ones who demand more — they are the ones who understand more. A small accommodation, a moment of curiosity, a refusal to take the behaviour personally — these cost nothing and change everything.
The grandparent who says “that child just needs more discipline” is wrong — not bad, not unkind, just wrong. And being wrong about this has real consequences for a real child. Updated information is available. It is time to update the opinion.
ADHD is not a modern invention, a pharmaceutical conspiracy, or a convenient label for poorly parented children. It is a neurological reality that has been documented for over a century, is one of the most well-researched conditions in all of medicine, and responds well to informed, compassionate, structured support.
The Bottom Line
Your child’s brain isn’t broken. It is wired differently. And with the right understanding, the right support, and the right adults in their corner — children with ADHD can do extraordinary things. Not despite their brain. Because of it. But they cannot do extraordinary things alone, or under fire.
The next time someone tells you your child is using ADHD as an excuse, tell them this: your child doesn’t need an excuse. They need understanding. And understanding changes everything.
Ready to Understand Your Child’s Brain?
Dr John Flett has been helping families in KwaZulu-Natal — and across South Africa — navigate ADHD for over 25 years. A proper assessment is the first step to real change.
Book a Consultation