CPTSD & Trauma Patterns

The Science Is Fighting. I Still Can't Breathe in That House.

I don't need the map to be perfect to know I have walked the territory.

By Carrie Davidson, BSPH, BSN, RN · Registered nurse & certified trauma recovery coach
Published · 5 min read

This article is trauma recovery education, not therapy, diagnosis, or medical treatment. It is not a substitute for care from a licensed mental-health or medical professional. If you are working with a therapist or physician, let this walk beside that care. It does not replace it.

The science you built your recovery on can get put on trial while you're still standing in the middle of it.

That's where I am this summer. There's a fight happening in my world right now, a real one, and if you've spent any time in the healing corners of the internet you've been quoting the thing they're fighting about. Polyvagal theory. Ventral and dorsal. Fight, flight, freeze, fawn. The vagus nerve as the seat of safety in the body. It's the language half the trauma world runs on. And this year a researcher named Paul Grossman pulled together thirty-eight scientists and published a paper calling the whole thing untenable. Untenable. Their argument, roughly: the evolutionary story doesn't hold, the neat split between the two vagal pathways isn't as clean in the body as it is on the slide, and the one number everybody measures as proof of "vagal tone" doesn't reliably mean what we've been saying it means. Stephen Porges, the man who built the theory, came back point by point and said they're arguing with a version of his work that he never wrote. And it goes around and around, the way it's actually gone since 2007.

I'm a nurse. So I did the annoying thing and read the paper instead of the reel about the paper. And I'll tell you honestly, some of the critique lands. The anatomy is messier than the coloring-book version. Respiratory sinus arrhythmia is a shaky proxy to hang an entire model of human safety on. I can hold that. My whole training is holding two true things that don't fully agree yet.

But I keep circling back to the same thing at 2am.

I don't need the map to be perfect to know I have walked the territory.

There's a house I lived in as a kid. I can drive past it now, more than twenty years later, doing forty down that street, radio on, nothing on my mind, and my hands go cold on the wheel. My chest gets tight and small. My mouth dries out. My foot wants the gas. Something older and faster than my thinking brain reads that address and drops me through the floor before I've decided a single thing about it. I am a grown woman with a nursing license and a book and a kid of my own, and that street still owns a part of my body that I never gave it permission to keep.

Call the mechanism whatever survives the peer review. Vagal tone. Threat detection. A conditioned autonomic response. Cue-driven limbic activation. Argue about the wiring diagram all you want, that's your job and I respect it. But my body did a thing I did not ask it to do, on a quiet street, in the present, because of the past. That is not a theory. That is Tuesday.

This is the part the fight can't touch. The words we use to explain the nervous system are human-made and they will keep getting revised, because that's what good science does, it argues with itself in public. But the thing the words are pointing at was true before anyone named it and it'll be true after they rename it. A frightened body reacting to safety like it's danger. A person flooding at a smell, a text tone, a certain quiet in the house. The theory is a finger pointing at the moon. Grossman and Porges can fight about the finger. I'm the one who lives on the moon.

So have you. You've got a song that guts you in the grocery store. A particular flatness in someone's "we need to talk" that empties your stomach before you've read the next word. A smell that puts you back somewhere you swore you left. You didn't decide any of that. Nobody debated it into you and nobody's going to debate it out.

I'm telling you this because I'm not standing on the far side of it, waving. I still flinch on that street. I'm watching the people who handed me the vocabulary for what happens in my own body argue over whether the vocabulary is right, and I don't know who wins. I really don't. Maybe the model gets rebuilt from the studs. Probably it should. That's not a threat to me. My healing was never actually held up by whether Porges nailed the phylogeny of the vagus nerve. It was held up by the day I stopped treating my cold hands on that steering wheel as proof I was broken and started treating them as information. Old information. A body that learned danger young and is still, bless it, trying to keep me alive.

You don't need the experts to finish arguing before you're allowed to take yourself seriously.

This one's for the women who finally found language for their pain and are now watching the scientists brawl over the grammar. Keep the language loosely. Hold the truth underneath it tight. The map might get redrawn this year. You still know exactly where it hurts to drive.

Carrie Davidson, registered nurse and trauma recovery coach

Carrie Davidson, BSPH, BSN, RN

Registered nurse and certified trauma recovery coach; the nurse who became her own patient. She writes about the overlap of complex trauma and addiction: the same wound, telling itself in two different languages. Author of the memoir Addicted to Trauma.

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