Expressionistic painting of two figures seated back to back, separated by a bright, jagged crack of light, symbolizing rupture and emotional overwhelm.

Intermittent Trauma Spikes in Neurodiverse Relationship Dynamics™

January 26, 20264 min read

Intermittent Trauma Spikes in Neurodiverse Relationship Dynamics™

In many neurodiverse relationships, distress does not build in obvious ways. There may be long stretches of apparent calm, cooperation, or routine—periods where nothing seems actively wrong. And then, suddenly, something breaks.

A conversation escalates unexpectedly. An emotional reaction feels out of proportion to the moment. A relationship ruptures over something that seems small or ordinary. These moments are often described as coming “out of nowhere.”

Within Neurodiverse Relationship Dynamics™ (NRD™), these moments have a name: trauma spikes.


What a Trauma Spike Is—and What It Isn’t

A trauma spike is not a tantrum, a loss of control, or a character flaw. It is not manipulation, overreaction, or intentional harm. A trauma spike is a nervous system event—a moment when accumulated strain, misattunement, and unprocessed stress surface all at once.

In neurodiverse systems, distress often does not express itself gradually or visibly. Instead, it is contained, managed, or absorbed over long periods of time, especially when one or more people are prioritizing stability, accommodation, or relational survival.

The spike is not the beginning of the problem.
It is the moment the system can no longer hold what it has been carrying.


Why Trauma Spikes Feel Sudden

Trauma spikes feel sudden because the processes that lead to them are mostly invisible. In neurodiverse relationships, people often adapt quietly. They adjust expectations. They reinterpret signals. They soften their needs. They take on emotional labor without naming it. They tolerate confusion, loneliness, or misattunement because disrupting the system feels riskier than enduring it.

Over time, this creates accumulation.

That accumulation often includes:

  • missed signals that were never clarified

  • boundaries that went unspoken or were repeatedly crossed

  • ruptures that were smoothed over rather than repaired

  • moments of self-suppression in the name of keeping things stable

None of these moments alone cause the spike. But together, they form a pressure system. When the nervous system reaches its threshold, release happens—not gradually, but abruptly.

The spike is the body saying: I can’t do this anymore.


Different Nervous Systems, Different Spikes

Not all trauma spikes look the same. Some appear as emotional flooding—tears, panic, or despair that feels overwhelming and uncontrollable. Others show up as anger, rigidity, or sudden demands. Still others take the form of withdrawal, shutdown, or dissociation.

These differences are not about who cares more or who is trying harder. They reflect how different nervous systems respond to overload and threat.

What matters most is not the form of the spike, but the context in which it occurs: prolonged misattunement without adequate repair, recognition, or safety.

When spikes are interpreted without this context, they are often misread as intentional, aggressive, or destabilizing. The original strain remains unaddressed, while shame and blame take its place.


The Aftermath: Confusion, Relief, and Misalignment

One of the most painful aspects of trauma spikes is what follows.

For some people, a spike is followed by embarrassment, shame, or fear about their own reaction. They may minimize what happened, apologize repeatedly, or retreat into silence. Others may feel shocked, hurt, or betrayed, unsure how something that felt manageable suddenly became overwhelming.

For many autistic individuals, however, the aftermath can look very different.

After a spike, their nervous system may feel relieved rather than ashamed. The internal pressure that had been building is gone. There may be little residual distress, little sense of having done something wrong, and little instinct to revisit the moment. From their perspective, the system has reset—and life moves on.

This difference in post-spike experience often creates profound misalignment.

One person may still be carrying the emotional impact of the rupture, while the other feels regulated, clear, and ready to continue. When this gap goes unnamed, it can deepen confusion and hurt on both sides.

Without a framework like NRD™, these moments often become evidence:

  • evidence that someone is unsafe

  • evidence that accountability is missing

  • evidence that communication is impossible

  • evidence that the relationship is fundamentally broken

But trauma spikes are not proof of failure. They are proof of unseen strain—and of nervous systems resolving overload in very different ways.


Why Naming Trauma Spikes Matters

Naming trauma spikes changes the conversation. Instead of asking, Why did this happen? the question becomes, What has been building here? Instead of focusing only on the moment of rupture, attention can turn to the long patterns that preceded it—the accommodations, silences, adaptations, and misalignments that made the spike inevitable.

This shift does not excuse harm. Impact still matters. But it replaces moral judgment with structural understanding.

Within Neurodiverse Relationship Dynamics™, trauma spikes are not anomalies. They are predictable outcomes of systems that rely on endurance rather than alignment.From Confusion to Clarity

Understanding trauma spikes does not guarantee repair. Some systems are too strained, too unsafe, or too asymmetrical to recover. But understanding does something else just as important: it allows people to stop blaming themselves for reactions they did not choose and could not indefinitely prevent.

For many, naming the spike is the first moment of clarity—the first moment they realize that what happened was not random, and not a personal failing, but the nervous system’s final signal in a system that had already reached its limits.

And that clarity, even when difficult, opens the door to honest choice.

Anne MacMillan, MLA is the founder of R.E.A.L. Neurodiverse 10-Step Family Systems Approach, designed to support Level 1 autistic adults and their neurodivergent and neurotypical family members as they come to understand what makes them different, work to improve their relationships, and take action to improve their lives. MacMillan has over 50 years of personal life experience with neurodiverse family systems, over 20 years of personal life experience in a neurodiverse intimate life partnership, and has been professionally supporting autistics and non-autistic adults in neurodiverse close family relationships since 2017.  She has a master's in psychology from Harvard University where she did some of the world's first quantitative research on autism and intimate life partnerships. She self-identifies as a high body empathetic, or a non-autistic neurodivergent with a high level of body empathy.

Anne MacMillan, MLA

Anne MacMillan, MLA is the founder of R.E.A.L. Neurodiverse 10-Step Family Systems Approach, designed to support Level 1 autistic adults and their neurodivergent and neurotypical family members as they come to understand what makes them different, work to improve their relationships, and take action to improve their lives. MacMillan has over 50 years of personal life experience with neurodiverse family systems, over 20 years of personal life experience in a neurodiverse intimate life partnership, and has been professionally supporting autistics and non-autistic adults in neurodiverse close family relationships since 2017. She has a master's in psychology from Harvard University where she did some of the world's first quantitative research on autism and intimate life partnerships. She self-identifies as a high body empathetic, or a non-autistic neurodivergent with a high level of body empathy.

LinkedIn logo icon
Youtube logo icon
Instagram logo icon
Back to Blog