A new way to think about trauma: what predictive processing adds to the conversation
- Joyce Knieff, ND, LAc
- Jun 26
- 7 min read
A piece in PsyPost recently pitched a new wave of trauma research as a challenge to Bessel van der Kolk's The Body Keeps the Score. The science underneath is more modest than that headline suggests. What is actually happening is more interesting and more useful. A growing group of researchers is testing a model of how trauma shapes the brain that focuses less on memory storage and more on prediction. This blog walks through that work carefully and with the understanding that for many readers, this is not abstract.
TL;DR: A new predictive-processing model reframes trauma symptoms as a prediction system pulled out of calibration, deepening rather than overturning The Body Keeps the Score.
Key takeaways:
The model says trauma reshapes the brain's predictions, not just its stored memories.
A 2024 framework recasts C-PTSD symptoms as miscalibrated priors about safety and self.
A 2025 fMRI study forecast PTSD trajectories from early brain-network signatures.
Newer models deepen The Body Keeps the Score rather than replace it.
What the research found
A 2024 review in Neuroscience & Biobehavioral Reviews by Andrea Putica and James Agathos lays out what is called a predictive processing framework for complex post-traumatic stress disorder (C-PTSD). The core idea, drawn from computational neuroscience, is that the brain spends most of its time predicting what comes next based on prior experience. When predictions match reality, the brain updates smoothly. When they do not, the brain has to decide whether to update the prediction or override the new information.
In this model, prolonged trauma changes the priors. The brain begins predicting threat, self-blame, or relational rejection because that is what its history points to. Symptoms then look less like passive scars and more like an active prediction system that has been pulled out of calibration. Negative self-concept becomes a misaligned prior about who you are. Affect dysregulation becomes a mismatch between predicted body signals and actual body signals. Relationship difficulty becomes a skewed forecast about other people.
Picture someone who grew up in a home where the mood could turn without warning, where the rules changed by the hour and safety was never something you could count on. Years later, safe and grown, they still flinch at a partner's footsteps in the hallway before a single conscious thought has caught up, still read a neutral email from a boss as a veiled threat, still feel a calm evening settle over them like the pause before something goes wrong. In predictive-processing terms, none of that is a memory replaying on a loop; it is the brain forecasting danger because danger is what it once learned to expect, running priors that were calibrated for a far more dangerous world than the one this person now lives in. They are not overreacting, and they are not broken; their nervous system is simply doing exactly what it was trained to do, in a present that no longer calls for it. Put that way, the idea tends to land for people, because it moves the story from "something is wrong with me" to "my brain learned a pattern, and patterns can be re-learned."
A second strand of recent work, a 2025 prognostic study in JAMA Network Open by Ben-Zion and colleagues, took 162 trauma survivors and used fMRI brain network analysis at one month post-trauma to predict which people would still have significant PTSD symptoms 14 months later. The most predictive brain networks involved default mode, salience, and motor-sensory connections. The model worked. Brain network signatures from early on actually forecasted later trajectories.
The caveats: the Putica paper is a theoretical framework, not a clinical trial. The Ben-Zion study is one cohort, in Israel, and the effect sizes were modest. Neither paper proves that The Body Keeps the Score is wrong. Both add a layer.
The bigger picture
Van der Kolk's contribution was to move the field's attention from memory content toward the body's stored response. The predictive processing work is moving the field one more step. It is asking how the nervous system generates a sense of safety, threat, or self in the first place, and where that generation gets stuck after prolonged stress.
These models are converging more than they are competing. The body does keep something. What predictive processing now lets us name is what it keeps. Not the event itself, but the prior. Not a recording, but an expectation. That distinction is clinically significant, because expectations can sometimes be updated even when memories cannot be erased.
A 2024 narrative review in Heliyon by Zoromba and colleagues argues, separately, that traditional biomedical and psychological models of trauma are too narrow on their own and that culturally sensitive, holistic frameworks tend to serve survivors better. The predictive processing model is consistent with that direction. It is not a replacement. It is a more mechanistic vocabulary for what good trauma therapy has often done in practice.
The naturopathic lens
In clinic, the people I work with who carry significant trauma histories are rarely helped by being told what is wrong with their nervous system. They are helped by feeling believed, by experiencing the body learning new signals, and by being able to integrate care across the people who support them.
Predictive processing gives me a useful way to explain why slow, repetitive nervous system work is worth the patience it takes. If the brain is constantly running predictions, then small, repeated experiences of safety, of co-regulation, of breath that does not catch, of food that does not provoke a reaction, are not just nice. They are data the brain uses to update its priors. Trauma-informed practices like vagal nerve work, gentle movement, careful sleep restoration, and steady relational support are not just feel-good additions. They are mechanism-aligned.
It also reminds me to stay humble about the limits of what any single discipline can offer. Mental health care for trauma survivors belongs first with clinicians trained in trauma-focused therapy. Naturopathic medicine works alongside that care, supporting nutrition, gut-brain integrity, sleep architecture, and the basic physiology that gives the rest of the work a chance to land.
How to apply this now
If you are a trauma survivor, this research does not require you to do anything new today. It is a framework for clinicians, not a new protocol for patients.
If you are in therapy, the predictive processing model fits well with approaches like prolonged exposure, cognitive processing therapy, EMDR, internal family systems, and somatic experiencing. None of these are mutually exclusive with what van der Kolk has long taught.
If you have not yet found a trauma-trained therapist and want to, organizations like the International Society for the Study of Trauma and Dissociation and the Anxiety and Depression Association of America maintain provider directories.
If you support someone with a trauma history, the most useful thing is often the most ordinary. Predictable presence, calm voice, no surprise, no pressure. The brain notices.
The story of how trauma reshapes the nervous system is not finished. The newer chapters do not erase the older ones. They add depth, and they suggest more avenues for the kind of slow, careful work that survivors and clinicians have known for a long time is what actually helps.
Frequently asked questions
Does this mean The Body Keeps the Score was wrong?
No. The predictive processing work builds on van der Kolk's insight rather than tearing it down. Where he showed that the body holds onto a trauma response, this newer model offers a vocabulary for what it holds: not the event itself, but the brain's expectations. The headline version plays it up as a showdown, but the actual science is more modest.
Is predictive processing a treatment I should ask for?
Not yet, and maybe never in that exact form. Right now it is a framework for clinicians, not a protocol for patients. It sits comfortably alongside established trauma therapies like prolonged exposure, EMDR, cognitive processing therapy, internal family systems, and somatic experiencing. You do not need a new label to get good care.
I have a trauma history. Does this change what I should do?
It asks nothing new of you today. If you are already in trauma-focused therapy, this research mostly helps explain why slow, repeated nervous system work tends to help. If you are still looking for a trauma-trained therapist, the provider directories from the International Society for the Study of Trauma and Dissociation and the Anxiety and Depression Association of America are a reasonable place to start.
How does naturopathic care fit alongside trauma therapy?
Trauma care belongs first with clinicians trained in trauma-focused therapy. Naturopathic medicine works alongside that, supporting the physiology underneath: nutrition, gut-brain integrity, sleep, and steady co-regulation. This supports the care rather than substituting for it, and it gives the rest of the work a better chance to land.
References
Putica A, Agathos J. Reconceptualizing complex posttraumatic stress disorder: a predictive processing framework for mechanisms and intervention. Neurosci Biobehav Rev. 2024;164:105836. PMID: 39084584. doi:10.1016/j.neubiorev.2024.105836.
Ben-Zion Z, Simon AJ, Rosenblatt M, et al. Connectome-based predictive modeling of PTSD development among recent trauma survivors. JAMA Netw Open. 2025;8(3):e250331. PMID: 40063028. doi:10.1001/jamanetworkopen.2025.0331.
Zoromba M, et al. Advancing trauma studies: a narrative literature review embracing a holistic perspective and critiquing traditional models. Heliyon. 2024. doi:10.1016/j.heliyon.2024.e35605.
Disclaimer
This article is for educational purposes only. It is not a substitute for mental health care, a therapeutic relationship, or individualized medical advice. If you are a trauma survivor and find any of this content activating, please pause and reach out to a qualified mental health professional. In the U.S., the 988 Suicide & Crisis Lifeline is available 24/7 by call or text at 988. Internationally, find a hotline through findahelpline.com. Do not start, stop, or change any treatment based on what you read here.
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Reviewed by Joyce Knieff, ND, LAc on 2026-06-26.
If this resonates with what you're experiencing and you'd like to explore a naturopathic approach, book a consultation with our clinic.
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