Why a stack of separate conditions might be a single regulatory system with no margin left.
If you are an autistic adult, or love one, you may know the folder. The gastroenterologist for the gut. The rheumatologist or immunologist for the flares. The endocrinologist for the metabolic numbers. The psychiatrist for the anxiety or depression. Each visit is real, each diagnosis is real, and each is handled as its own problem, on its own timeline, by its own specialist who rarely speaks to the others. The implicit story is that you are unlucky — that you happen to have collected five separate conditions that don’t have much to do with each other.
There is another way to read that folder, and it changes what the whole thing means.
In Toward an Emergent Paradigm for Neurodiversity and Health, I argued that these are not five independent problems but one thing seen from five angles. The same allostatic architecture that regulates sensory processing also regulates immune function, gut motility, and mood. These systems are coupled — they run on the same underlying stress-and-energy budget. So when that architecture operates under chronic strain, dysregulation doesn’t stay politely in one lane. It cascades. Conditions cluster not by coincidence but because they share a regulatory origin. The clinical vocabulary calls them “comorbidities,” as if they were roommates who happened to move in together. The systems view calls it co-calibration: interdependent expressions of one energy-regulating system doing its best under conditions it can’t sustain.
“You are not a collection of unrelated failures. You are one regulatory system, telling the truth about its margin in every language it has.”
Regulatory bandwidth is what makes this legible rather than merely poetic. Bandwidth, as I set it out in Psychoneuroendocrinology this year, is the present margin a person’s coupled stress systems have to absorb demand and still recover — read across autonomic, endocrine, inflammatory, and metabolic channels at once. When that margin narrows, it doesn’t narrow in one place. Narrowed bandwidth is the shared upstream state, and the five downstream diagnoses are where a single depleted system surfaces. “You have five conditions” becomes “you have one system with no room, expressing itself in five places.” That is not a smaller statement. In many ways it is a larger one, because it explains the pattern the comorbidity model can only list.
It also explains something the separate-problems model quietly fails at: why treating each condition in isolation so often disappoints. If four of your five diagnoses are surface expressions of an overdrawn regulatory budget, then addressing them one organ at a time — while the budget stays overdrawn — is bailing a boat without finding the leak. Some relief, no resolution, and a person left feeling that nothing quite works and the fault must be theirs. The co-calibration reframe moves the question from which specialist owns this symptom to what is this whole system carrying, and where is it running out of margin.
I want to be careful here, because this is exactly the kind of idea that gets misused the moment it leaves the page. Co-calibration does not mean the conditions aren’t real. It does not mean they don’t need treatment, or that they’re “just stress,” or that the gut, the immune flares, and the metabolic numbers are somehow imaginary or willed. A shared regulatory origin makes each condition more worth taking seriously, not less — and it does not replace the specialist care any of them may require. What it changes is the frame around that care: whether the systems are treated as unrelated accidents or as a coupled whole with a common upstream state that also deserves attention. Reading the pattern is an argument for adding a systems view, not for subtracting anyone’s medicine.
And the reframe cuts toward support rather than blame. If the shared state is narrowed bandwidth produced by chronic mismatch — an architecture regulating under conditions it was never resourced for — then the leverage is not only in each clinic but in the conditions the system is asked to run under. Lower the sustained demand, restore some recovery, widen the margin, and you are working upstream of all five expressions at once. That is a different kind of hope than “here is a fifth prescription.” It is the hope of a person who has been told they are broken in five separate ways learning that they are one system that has been carrying too much for too long.
None of this is the last word on how these conditions cluster — that is careful, testable work, and it is underway. What the systems view offers right now, to the person holding the folder, is a change in meaning that arrives before any new treatment does: you are not a collection of unrelated failures. You are one regulatory system, coupled and coherent, telling the truth about its margin in every language it has.
Toward an emergent paradigm for neurodiversity and health is published in Autism Adulthood. https://doi.org/10.1177/25739581261433443. (Hogenkamp L, Sanghavi D, Natri H, 2026.
Regulatory Bandwidth: A Theoretical Integration of Present Multisystem Stress-Regulatory Capacity (Hogenkamp, 2026) is published in Psychoneuroendocrinology, Vol. 192. https://doi.org/10.1016/j.psyneuen.2026.107955
Center for Adaptive Stress · ndstress.org — AI-use disclosure: drafting assisted by ChatGPT and Claude; final text authored and approved by Lori Hogenkamp.
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