Trauma & recovery

Why Avoidance Is the Engine of Post-Traumatic Stress

Avoidance feels like the thing keeping you safe. In post-traumatic stress it is usually the thing keeping the problem alive.

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The logic of not going near it

After a traumatic event, avoiding reminders of it is not irrational. It works, in the short term, and it works immediately. You do not take that road. You do not watch that kind of film. You do not finish that sentence. Each time, the distress drops, and the drop is real.

The difficulty is what that relief teaches. Every successful avoidance is a small lesson that the reminder was genuinely dangerous and that you were right to escape it. The fear is never given the chance to be contradicted, so it stays exactly as intact as the day it formed.

What the research says is happening

The most influential account of this comes from emotional processing theory, which holds that a fear is stored in memory as a structure linking a stimulus, a response, and a meaning, and that it changes only when two conditions are met: the structure has to be activated, and it has to be met with information that contradicts it (Foa & Kozak, 1986). Avoidance prevents both. Nothing is activated, so nothing can be corrected.

Cognitive models of post-traumatic stress disorder add a second layer. Ehlers and Clark (2000) argued that PTSD persists when a person processes the trauma in a way that produces a sense of current threat rather than a memory of a past one, and that the strategies people use to control that threat, including avoidance, thought suppression and constant vigilance, are precisely what prevent the memory from being updated and placed in the past.

The same pattern turns up well beyond trauma. Hayes and colleagues (1996) described experiential avoidance, the unwillingness to remain in contact with distressing internal experiences and the deliberate effort to change their form or frequency, as a functional dimension running through a wide range of psychological difficulties, and one that frequently produces more of the very experience it was meant to remove.

Avoidance is bigger than not going places

It is easy to recognise the obvious forms. The less obvious ones do the same work:

• Staying relentlessly busy so there is never a quiet moment
• Telling the story only in a flat, factual register, with the feeling stripped out
• Drinking or using to take the edge off the evening
• Refusing to be the one who is not in control of a situation
• Ending relationships at the point where they would require real closeness

None of these looks like fear from the outside. Several of them look like competence. That is part of why they survive so long.

What changes it

Every trauma treatment with good evidence behind it works by reversing the avoidance rather than accommodating it, whether that means approaching the memory directly or approaching the beliefs that grew up around it. This is why treatment tends to feel counterintuitive at the start. You spend the week trying not to think about it, and then you sit down with someone whose job is to help you turn toward it on purpose, at a pace you can hold.

The aim is not to make you relive anything for its own sake. It is to give the fear the one thing avoidance has never allowed it to have: a chance to be wrong.

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