Access Variability

In this framework, access is not understood as a fixed property. It does not belong permanently to a person in the way an anatomical feature or a stable trait might be said to belong. The framework relates it to the interaction between the organization of the nervous system and the conditions surrounding it across time, and that is why it proposes that access may vary without capacity having changed.

That sounds simple. But its implications are broad.

When a child speaks fluently in the morning and does not speak in the afternoon, or speaks much less, that does not necessarily show that he has lost a skill, or that he cannot speak. It is possible that conditions have changed, that the accumulated load has increased, that he has had few recovery opportunities, that the available margin has narrowed. It is also possible that he does not want to speak at that moment, that he has nothing to say to the person asking, or that he is communicating in another way. It is the same child at two different moments. What explains the difference in his communication remains an open question.

The same may happen with participation in class, with sensory tolerance, with the ability to move between activities, with availability for interaction. What varies is not always what the person can do. What may vary is what is available from the system's present organization.

The question usually asked when someone cannot do something they could do before is: why can't they? Or, more often: what's wrong today?

That question is not wrong. Sometimes what changed lies in what the person wants, feels, or decides, and that deserves to be heard and respected, not corrected. The risk is that the question stops there: that the answer ends up being a judgment about their will or motivation, without looking at the conditions they are in.

There is another possible question: what do we know about what happened differently, and what would we need to know to understand it?

This question does not take an explanation for granted. It allows attention to turn outside the person as well — toward the conditions, toward what happened before, toward what they have been managing. Not as an alternative explanation that rules out the first, but as a different place from which to begin observing.

When what someone does varies, the framework proposes examining at least three things that may have changed: the present conditions, the system's organization within those conditions, or the system's recent history, that is, what happened before this moment. They are not the only ones: what the person wants or needs to do may also have changed, or something we are not seeing, such as pain or discomfort. If they communicate pain or discomfort, that is attended to in its own right.

Conditions include everything the person is encountering now: sensory demand, the predictability of the environment, communicative and social demand, the adaptive effort that may have been needed just to be present. Not only what seems difficult. Also what the system processes continuously without it being visible to someone observing from the outside.

Organization describes how the system is responding to those conditions at this moment. How much load already existed before this situation began. How much available margin the system arrived here with. How completely it may have recovered. These are questions, not data: none of them is observed directly.

And recent history — what happened before — matters because nervous systems do not start each situation from zero. The framework proposes that, if recovery is not completed, something might remain and play a part in the organization of the next cycle: a carryover that might influence the available margin before any new demand arrives. This is a construct of the framework for following the system's continuity across time, not a claim about a directly verifiable physiological mechanism.

If something was not resolved in the previous cycle, it might still be present in this one.

This is one of the framework's central proposals for reading access variability in autistic experience. The functional difference between morning and afternoon, between Monday and Friday, between a high-demand day and the day after, does not always reflect a variation in what the person can do. It may have to do with the demands the person has had to manage and with the possibility that some of them accumulated, in a context with limited recovery opportunities.

A person does not necessarily reach Friday in the same internal conditions in which they began Monday — if the previous days involved sustained levels of concurrent demand and incomplete recovery.

There is something important in what the observer does not see.

The demand that already existed before the observable moment is not always visible from the outside. Neither is the possible carryover of what happened in previous cycles. What we see is that something stops happening as it did before. That moment may be related to earlier conditions, to something that happened in that same moment, or to both. Observation, by itself, does not allow us to decide.

A person may have managed hours of elevated concurrent demand with participation that looks fluent from the outside. They may have sustained interaction, communication, adaptation, and that may have had a cost that could not be seen. If so, at some point that accumulated cost may become visible, sometimes abruptly, sometimes just when the observer did not expect anything difficult to happen because everything seemed to be fine.

That everything seemed to be fine does not tell us whether sustaining it was costing them, or how much.

There is something that observed variability does not, by itself, allow us to conclude.

That something no longer happens as it did before does not confirm that access has changed, or which of the factors would explain it. It does not tell us whether it was concurrent demand, incomplete recovery, the conditions of the environment, or some combination of them. Nor does it tell us in what proportion. Variability is observable; its origin, in most cases, is not directly observable.

This does not invalidate the question. It means that the question — what do we know about what happened differently, and what would we need to know to understand it? — opens an observation; it does not close an explanation. It orients toward where to look, not toward what to conclude.

Understanding access variability does not resolve what to do in each situation. It does not produce a list of interventions. But it changes the place from which we observe.

When the question moves from why can't they? to what do we know about what happened differently, and what would we need to know to understand it?, the place where the answer is sought widens. It is no longer only in the person. It may also be in the conditions, in recent history, in what happened before.

And that opens different questions: what were they managing before this moment? What conditions can be modified? What does the person say they need, or what can we learn about it through their communication? What might help, without assuming that what they need is to go back to doing what they did yesterday?

These are questions that orient observation toward processes — not only toward outcomes.

“Yesterday they could do it. Today they can't.” Read this way, that sentence no longer settles on an explanation about the person. It opens questions about the person in their conditions, and leaves room for what they themselves may say.