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What's actually happening in your body during a trauma response

By Alpha Ponce · · 4 min read

People are often harder on themselves about how they reacted than about what happened to them.

I should have fought back. I just froze. I went along with it. Why did I laugh?

Almost all of that self-blame rests on a misunderstanding: that the response was a decision. It wasn't. Here's what was actually going on.

The part that decides is not the part you think

Threat detection happens fast, and it happens below conscious thought. By the time you've formed the sentence "this is dangerous," your body has already committed to a response.

That's not a design flaw. A system that waited for deliberation would be too slow to be useful. The cost is that you don't get a vote, and afterwards you're left judging an automatic process by standards that only apply to choices.

The four responses

Fight. Mobilising to confront. Heat, jaw tension, a surge in the arms and chest. Outside of danger it shows up as disproportionate anger, or irritability that arrives before you know why.

Flight. Mobilising to escape. Heart rate up, energy into the legs, tunnel vision. Later in life it often looks like restlessness, over-working, or an inability to be still without a task.

Freeze. When neither fighting nor fleeing is possible, the system does something quite different: it slows everything down. Heart rate drops, muscles go still, and there's often a numbing of pain. This is a deep, ancient survival response, the same one that makes prey animals go limp.

Freeze is the one people are most ashamed of, and it's the one they had the least say in. If your system assessed that fighting or running would make things worse, it chose the option most likely to get you through. It was right often enough that the option still exists.

Fawn. Appeasing to reduce the threat. Placating, agreeing, becoming useful, managing the other person's mood. Extremely common in people who grew up around unpredictable adults, and almost never recognised as a trauma response. It just gets called being nice.

Why it doesn't stop when the danger does

Each of these is meant to be a cycle: activation, action, discharge, return to baseline. Animals in the wild complete it visibly: a deer that escapes will tremble hard for a while, then shake it off and go back to grazing.

Humans interrupt this constantly. We have to stay composed. We're in a meeting. It isn't safe to fall apart yet. So the activation goes up and the discharge never happens, and the system stays partway through a response it never got to finish.

Do that repeatedly and the baseline shifts. What was an emergency setting becomes the default: always slightly braced, always scanning, never quite off duty. Or, at the other end, chronically shut down: flat, tired, watching your life from behind glass.

What helps in the moment

None of these are cures. They're ways of giving your system information that the present is not the past.

  • Orient. Slowly turn your head and actually look around the room. Name a few things you can see. This isn't distraction. Orienting is a specific nervous-system action that signals the environment is being surveyed and is clear.
  • Lengthen the exhale. Breathe out longer than you breathe in. The out-breath is where the calming branch of the nervous system engages. Don't force deep breaths; for many people that increases activation.
  • Push against something. Press your feet into the floor, or your palms into a wall. Weight and resistance give a shut-down system a way back into the body.
  • Temperature. Cold water on your wrists or face. Blunt, but it works, particularly for dissociation.

If you're freezing or dissociating, gentle movement usually helps more than stillness. Standard "sit still and breathe" advice can make freeze worse.

Why this is worth understanding

Not so you can control it. You mostly can't, and trying to control it tends to add a layer of failure on top.

It's worth understanding because it reframes the self-blame. You didn't fail to act. Your system acted, fast, with the information it had, in the direction most likely to keep you alive.

The work isn't overriding that. It's helping a system that got stuck partway through finally complete the response, so that its default setting can update to match a present that's no longer the past.


That's the work I do. West End and Milton, Brisbane, and online, in English and Spanish. If any of this described your ordinary week, the first conversation is free.