It’s not just about attention. It’s about how the brain manages everything.
From The Science of ADHD by Chris Chandler
When we talk about ADHD, most conversations still start and end with attention. But the science tells a bigger story — one that goes way beyond whether a child can sit still or follow a three-step instruction. ADHD is really about six core executive functions, and once you see them, the “tricky” moments in a day start to make so much more sense.
Here are the six areas, and what each one actually looks like in real life.
1. Activation — Getting started
Struggling to begin tasks, organise materials, or prioritise what to do first. It’s not laziness — the brain’s “start button” works differently.
What it looks like:
- “I’ll do it later” (but later never comes)
- “I don’t know where to start”
- Avoiding homework, chores, getting dressed
2. Focus — Sustaining & shifting attention
Hyperfocusing on one thing, then struggling to shift to another. Or losing focus mid-task — even when they care. The brain’s spotlight doesn’t always point where it’s needed.
What it looks like:
- Lost in a game but can’t hear you calling
- Drifting off mid-conversation
- Starting tasks but never finishing them
3. Effort — Regulating alertness & speed
Running out of steam halfway through. Processing things more slowly — or racing ahead impulsively. Sustained effort is one of the hardest things for an ADHD brain.
What it looks like:
- Great start, then hits a wall
- Rushes through work to “get it done”
- Exhausted by tasks others find easy
4. Emotion — Managing frustration & feelings
Big reactions. Quick to frustration. Overwhelmed by things others seem to handle easily. Emotional regulation isn’t about willpower — it’s an executive function too.
What it looks like:
- Meltdowns over small changes
- Intense reactions that seem “over the top”
- Difficulty bouncing back from setbacks
5. Memory — Working memory & recall
Hearing instructions and forgetting them seconds later. Losing track of what they were doing mid-sentence. Working memory is like the brain’s RAM — and in ADHD, it runs differently.
What it looks like:
- “You just told me and I already forgot”
- Forgetting bags, books, lunch boxes
- Knows the answer but can’t retrieve it
6. Action — Monitoring & self-regulating
Acting before thinking. Interrupting. Struggling to read the room. It’s not that they don’t know the rules — the brain’s “brake pedal” just doesn’t always respond in time.
What it looks like:
- Blurting out answers in class
- Physical restlessness they can’t control
- Trouble waiting their turn
When you understand these 6 areas…
…so much starts to make sense. The avoiding. The forgetting. The meltdowns. The brilliant ideas that never quite get finished.
It’s not laziness. It’s not defiance. It’s a brain that works differently — and once you see it, you can’t unsee it.
Understanding executive function doesn’t just change how we see ADHD. It changes how we support, teach, and love these kids.
Because they don’t need more consequences. They need us to understand how their brain works. 🤍