on diagnosis
ADHD or Executive Functioning Disorder?
ADHD has had a branding problem for decades. The condition is real, the people describing it are not being overdramatic, and the diagnosis is far from meaningless. The trouble is that the name has never fully captured what clinicians, parents, teachers, and adults are actually trying to point at.
Trace the history of the diagnosis and you can feel the field circling the problem from different angles. First it was about hyperactivity. Then attention, then subtypes, then presentations. Each DSM revision tried to sharpen the picture, and in some ways it did. But it also left us with a system that is good at sorting people into categories and less good at describing what is actually breaking down. That gap shows up most in assessment. Once you move past whether someone meets criteria, the more interesting question is what, exactly, is not working.
That is where ADHD starts to feel too broad. One person cannot get started. Another starts everything and finishes nothing. Another forgets directions halfway through hearing them, the second half of the instruction gone before the first one lands. Another can focus for hours on a single thing but cannot shift gears when life demands it. Another looks inattentive but is actually overloaded, disorganized, and constantly losing the thread. These are not identical problems. They may all fall under the same diagnosis, but they do not reflect the same pattern of impairment.
That is why I keep coming back to executive functioning. Not as a trendy buzzword, but as the part of the conversation that usually gets us closer to the actual architecture of the struggle. Executive functioning is the system that helps us start, stop, shift, plan, organize, remember, regulate, monitor, and follow through. When those processes break down, life breaks down in very particular ways. Our diagnostic language often stops too early. It tells us that ADHD is present, but not how the person’s self-management system is failing.
Historically, that is not surprising. As the diagnosis evolved, assessment became more behaviorally organized. We got better checklists, better developmental framing, better recognition across the lifespan, and a clearer sense that ADHD does not look the same in every person. But the model we built leans heavily on symptom counts, rating scales, and cross-setting impairment. Those tools are useful. They just do not always tell the full story.
Research has made that tension harder to ignore. The literature has repeatedly shown that executive dysfunction is highly relevant in ADHD. It sits close to the center of the picture rather than off to the side. It is also not tidy. Not every person with ADHD has the same executive weaknesses, not every executive weakness points to ADHD, and not every lab-based measure maps onto real-world functioning in a meaningful way. So we land in an awkward but important middle ground. Executive functioning clearly matters, though not cleanly enough to serve as a standalone diagnostic answer. Even so, it may be the clearest direction for where assessment should go next.
Consider what happens now. Two people can both meet criteria for ADHD and walk away with the same diagnosis even though the actual shape of their impairment is completely different. That works for classification. It is less satisfying for description, and assessment should do more than classify. It should clarify.
A good evaluation should tell us whether the person struggles most with task initiation, inhibitory control, working memory, planning, organization, self-monitoring, cognitive flexibility, or some combination of all of them. It should tell us what is mild, what is moderate, what is severe, and what only starts to fall apart when demands increase. It should tell us what the label alone cannot.
That is why I think the field needs a more functionally descriptive model. Not a wholesale rejection of ADHD as a diagnosis, but a more precise way of characterizing it. Something closer to an executive functioning disorder with specified areas of deficit and severity, or at the very least an assessment model that routinely describes executive functioning domains with far more specificity than we tend to see now.
Saying someone has ADHD tells us there is a problem. Saying they have severe deficits in task initiation and planning, moderate deficits in working memory, and mild deficits in inhibitory control tells us what kind of problem it is. That is a very different level of understanding, and honestly, it may be where the field is headed whether the diagnostic manual catches up or not.
The science has gotten more nuanced. The presentations are more nuanced. The lived experience is more nuanced, and our language should keep pace. Maybe that is the real issue. ADHD is not the wrong diagnosis. It may simply no longer be a specific enough description for what we are actually assessing.
