Anxiety and Executive Functioning: The Vicious Cycle, and How to Break It
- Erin Carroll
- Mar 17
- 5 min read
It is Sunday evening and your child's stomach hurts.
Not a fake stomach ache. You have watched them long enough to know the difference. You have been to the doctor. Nothing is wrong. Nothing is ever wrong, medically speaking, and yet here it is again, right on schedule, the night before a school week.
The temptation is to reassure. There is nothing to worry about. You will be fine. You always are.
Here is the thing worth sitting with instead: the stomach is not lying. It is reporting. Something in your child has learned that tomorrow is dangerous, and their body got the memo before anyone thought to say it out loud.
Anxiety Is Not Sitting Beside the EF Challenge. It Is Eating It.
Anxiety and executive functioning differences travel together so often that we tend to file them as two separate problems in one child. That framing misses what is actually happening. They are not neighbors. They are feeding each other.
Mona Delahooke's work, grounded in Stephen Porges' polyvagal theory, gives us the mechanism. The nervous system is constantly scanning for cues of safety and threat, well below conscious thought. When it decides a situation is dangerous, it shifts into a protective state. In that state, the prefrontal cortex, where planning and initiation and working memory live, goes quiet. Not as a punishment. As a design feature. When something is chasing you, deliberation is a liability.
Now put that next to what your child needs in order to do a math worksheet. Planning. Initiation. Working memory. The exact functions that go offline the moment their body decides the worksheet is a threat.
Anxiety does not sit beside the executive functioning challenge. It takes from the same account.

Why the Loop Tightens
This is the part that makes it vicious rather than merely unpleasant.
Start with an EF difference. Tasks go badly more often than they should. Your child notices. Nobody has to tell them, though people usually do.
So their brain, doing its job, starts predicting. This will go badly. That prediction is anxiety. The anxiety pushes the nervous system into protection. Protection takes the prefrontal cortex offline. Offline, the task goes worse than it would have.
The fear was right. Which makes the next prediction stronger.
Russell Barkley's distinction between knowing and performing is the crack this loop lives in. Your child knows how to do it. Performing it is another matter, and anxiety widens the gap between the two every time around.
Peg Dawson's research adds the piece parents feel but cannot quite name: executive functioning capacity is state-dependent. It is not a fixed number. It moves with sleep, hunger, stress, and emotion. The child who could do this on Tuesday genuinely cannot do it on Wednesday, and neither of you is imagining it.
Avoidance Is Not the Problem. It Is the Solution.
Then there is the part that grows the loop fastest.
Avoiding the thing works. Immediately. The dread stops. The body settles. Relief arrives within seconds, which is exactly the timeline a brain learns from best.
Acceptance and Commitment Therapy frames this usefully: avoidance is not your child's malfunction. It is their best available solution to a problem they do not yet have the tools to solve. It works so well, so fast, that of course it gets used again.
Which means the question is not "why won't they just do it." The question is "what is this avoidance protecting them from, and what would they need in order to not need it."
Why Reassurance Backfires
"There's nothing to worry about" gets said with love, every time. It also does two unhelpful things.
It tells your child that their read on the situation is wrong, which teaches them not to trust their own signals. Tara Brach names the deeper cost. When a child repeatedly hears that their inner experience is mistaken or too much, it hardens into a story about themselves rather than about the moment. Something is wrong with me.
It also aims at the wrong target. A nervous system in a protective state is not processing arguments. You cannot reason someone out of a state that has taken reasoning offline. The words are fine. The audience is unavailable.
What Helps
Treat the body before the task. Regulate first, reason second, always in that order. Movement, a snack, a few minutes of nothing, your calm presence nearby. Delahooke calls this co-regulation, and it is not a warm-up before the real work. It is what makes the real work possible.
Believe the stomach ache. Instead of "there's nothing to worry about," try "your body is telling you this feels big, and I believe it." Validation is not agreement that the danger is real. It is agreement that the feeling is. That distinction lets your child stop defending the feeling and start moving.
Shrink the first step until the fear has nothing to hold. Not the assignment. One problem. Not the essay. One sentence. Anxiety needs something big and vague to grow on. A small concrete thing starves it.
Make the invisible visible. Much of the dread is fog. What is this, how long will it take, where does it end. A written list of three steps turns an unknowable threat into a finite object. Barkley's externalization principle does emotional work here as well as cognitive work.
Do not wait for the fear to leave. It will not, not on request. The insight from ACT is that we make room for the hard feeling while moving toward what matters anyway. "You can be nervous and start. Both at once. Let's do two minutes and then decide."
Collect counter-evidence, unrushed. Every small thing your child finishes while afraid is data against the prediction. That is why small steps matter so much here. Not because the tasks are important. Because each completion is a vote against the story. Say it out loud when it happens: you were scared and you did it anyway, and that is the part that counts.
Name the loop itself, once things are calm. Older kids especially can hold this. Your brain predicts it will go badly, the prediction makes it harder, so it goes badly, so your brain predicts harder next time. A child who can see the machinery gains a little distance from it. Understanding the loop is not the same as escaping it, though it is where escape starts.

The Bigger Picture
The Sunday stomach ache is not manipulation, and it is not fragility. It is a body that has been paying attention.
Break the loop anywhere and the whole thing loosens. Lower the demand and the fear has less to feed on. Settle the body and the capacity comes back. Finish one small thing and the prediction weakens. None of it happens in a week. All of it compounds.
Your child is not anxious because they are weak. They are anxious because they have been trying hard, for a long time, at things that keep costing them more than they should. That is a reasonable response to a hard situation, not a character flaw.
The stomach ache will fade when the evidence changes. Our job is to help them gather it.




Comments