Skip to content
Theodora Velli

ADHD systems · 6 min read

ADHD executive dysfunction explained: why knowing what to do is not enough

By Theodora Velli · 6 min read · Published

What the term means in daily life

Executive functions are the skills you lean on to run a day: seeing the next step, starting it, holding a short sequence in mind, switching between tasks, choosing among options, and handling the feeling attached to a task. When those are unreliable, ordinary life gets expensive in ways that are hard to explain to people who do not live with it.

ADHD is a neurodevelopmental condition, and international consensus links it to real difficulty in everyday life, at work, in study and in relationships. Research has also linked ADHD to impairment at work specifically. Profiles vary a lot from person to person, and no lab test picks up every problem a person meets in real life. This guide does not diagnose anything. It explains the experience in plain words and what you can design around it.

Four people who already know what to do

Chapter 1 of the book, You Do Not Need More Tips, introduces its four composite characters by showing how differently the same gap can look on the surface.

Leo spent nineteen hours on a game campaign in the same six days that a four-line email sat without a reply. Attention is not what he lacks. Steering it is.

His older sister Priya is the organized one at work. Her cost arrives later. A two-word message from her manager asking for a chat is enough: before the chat happens she has been fired three times in her head. What weighs on her is everything a task comes to mean along the way.

Dana is a single parent who has built labeled bins, a Sunday meal plan and a color-coded chore chart. Each lasted about a week. Then a sick child or a hard stretch at work arrived, and every collapsed system turned into a small accusation.

Marcus has the money for the late fees he keeps getting charged. The hard part is the banking app, since opening it would mean learning the numbers.

All four know the advice. The book's verdict on them is short: None of their problems is solved by another tip.

Why more advice makes it worse

Many adults with ADHD quietly collect fixes: a planner bought the day after a missed deadline, a habit app installed on one hopeful evening, a meal plan dropped by midweek. Dana keeps three of these in a drawer.

Each one was reasonable. The pile becomes painful because of what the book calls advice debt. You already know what you should do, so each time the struggle comes back it reads as proof about your character. Marcus is not carrying just an unopened app. He also carries the idea that any capable adult would have checked days ago. That belief uses up capacity and finishes nothing.

A system that only works when you remember it, choose it, begin it, tolerate it and keep it going is asking the very functions that may be unreliable to rescue themselves.

Motivation is one control surface among many

None of this puts behavior beyond your influence. It moves the influence somewhere more useful. You can change:

  • what is visible when you need it
  • where your information is kept
  • how many options you see together
  • the size of the first action
  • the point at which you call it enough
  • how the system recovers after an interruption

These are design variables. Leo did not answer his email by wanting it more. The reply got sent once it was sitting in a saved draft with the opening line already written.

Turn the verdict into a design note

The book draws a sharp line here. Calling yourself disorganized is a verdict. Noticing that the file you needed was in another app is a design note. Only the second one points to something you can change.

When you reconstruct the moment instead of your character, you usually find control surfaces: too many items visible at once, a scary message with nothing to soften it, a file you could not find, a distraction sitting one tab over. Each of those can be changed.

The test for any system

Telling yourself to prioritize is not a prioritization system. Telling yourself to remember is not a memory system. The book's test comes down to one question: does the system take on some of the mental work itself, or does it just tell you to do that work?

A memory system has one place where everything is captured, a trigger to review it, reminders you can see, and a fixed home for the next action. A prioritization system shows one current action, a few next ones waiting, and somewhere to park everything else.

The book adds a standard for any tactic. It has to answer four questions: what starts it, what is its smallest useful version, what happens when capacity drops, and how do you restart once you have stopped. A tactic with no answer to that last question is not finished yet. Most systems you were handed had one gear and assumed a steady week, which is why the book builds every important system with three: Full Power, Low Power and Restart.

Where this goes wrong

You try to repair every loop together. Start with a single system. The rest can wait until a method has survived a real test.

You read this as a reason to stop trying. Explaining the gap is not an excuse and not a sentence. It points your effort at the environment and the path, where effort tends to pay.

The next action

Write one sentence about the last time a task you understood did not happen. Make it a design note, not a verdict. That sentence is the first piece of a system that does some of the work for you.

Sources

  1. Faraone SV, et al. The World Federation of ADHD International Consensus Statement: 208 evidence-based conclusions about the disorder. Neurosci Biobehav Rev. 2021;128:789-818. Open source
  2. National Institute for Health and Care Excellence. Attention deficit hyperactivity disorder: diagnosis and management. NG87. 2018, updated 2019. Open source
  3. Barkley RA, Murphy KR. Impairment in occupational functioning and adult ADHD. Arch Clin Neuropsychol. 2010;25(3):157-173. Open source