By Annie Wright, LMFT  |  Last updated: June 2026  |  14 min read

Peter Levine and Somatic Experiencing: What Body-Based Trauma Healing Actually Looks Like for Driven Women

She’s Described It to Three Therapists

She’s described the incident to three different therapists. Each time, she does it well — organized, clear, contextually rich. Her voice goes flat about ninety seconds in, her hands go cold, and somewhere around the part where she tries to explain how she felt, there’s a gap. She says “I don’t know” a lot. Not because she hasn’t thought about it. She’s thought about it constantly. But when she reaches for the feeling, there’s a wall — polished, impenetrable, apparently permanent.

She’s frustrated. She understands trauma intellectually. She’s read the books. She knows the polyvagal theory, she understands the amygdala. She can describe her childhood in diagnostic terms. And still: she can’t sleep, she can’t relax, she can’t feel much of anything in her body except the occasional surge of anxiety that appears and disappears without apparent cause.

This is the person that Peter Levine built Somatic Experiencing for.

What Is Peter Levine’s Somatic Experiencing Framework?

Peter A. Levine, PhD, is a biophysicist and psychologist who has spent more than fifty years studying the intersection of stress physiology, animal behavior, and human trauma responses. He holds doctorates in both medical biophysics and psychology. He is the developer of Somatic Experiencing (SE), the founder of the Somatic Experiencing Trauma Institute (now SE International), and the author of multiple books including Waking the Tiger: Healing Trauma (North Atlantic Books, 1997) — which introduced SE to a broad audience — and In an Unspoken Voice: How the Body Releases Trauma and Restores Goodness (North Atlantic Books, 2010).

Levine’s foundational insight came from observing animals in the wild — specifically, prey animals like impalas and gazelles that are regularly caught by predators. In nature, an animal that survives a predator attack will often shake, tremble, or shudder afterward — a spontaneous physiological discharge that completes the nervous system’s activation cycle and returns the animal to baseline. The animal does not develop lasting PTSD. It runs, it freezes, it survives, it shakes it off, and it returns to grazing.

Humans, Levine observed, interrupt this natural completion process. Social norms, self-consciousness, shame, and the pressure to “hold it together” suppress the spontaneous physiological responses that would allow the nervous system to discharge. The energy mobilized for survival — the adrenaline, the muscular contraction, the defensive impulse — gets frozen in the body rather than released. Trauma, in Levine’s framework, is not the event. It’s the incomplete response to the event.

The Neurobiology: How Trauma Gets Locked in the Body

To understand why Somatic Experiencing works, you need a functional model of what happens in the nervous system during and after a traumatic event. Levine’s framework draws on the neuroscience of threat responses, the role of subcortical brain structures, and the concept of implicit procedural memory.

When the nervous system perceives a significant threat, the brainstem and limbic system take over from the cortex. The survival response cascade — mobilization for fight or flight, or collapse into freeze — is controlled by subcortical structures that evolved before the neocortex and that operate faster, below conscious awareness. The defensive response is a full-body event: muscles contract, organs shift function, the senses sharpen on the threat.

If the defensive response completes — if the person successfully fights, flees, or if the threat simply passes and the system can discharge — the nervous system returns to baseline. If the defensive response is interrupted — by overwhelm, helplessness, dissociation, or the inability to complete the protective movement — the mobilized energy doesn’t discharge. It remains in the body as incomplete action, stored in what Levine calls “procedural memory” — the implicit, body-based memory of how the threat was being handled, frozen in mid-motion.

Levine’s model also engages with the role of the dorsal vagal branch of the vagus nerve — the ancient, primitive branch that governs the freeze/collapse response when threat reaches an intolerable level. This is the part of the nervous system that produces dissociation, emotional numbing, the flat affect and cognitive fog that many trauma survivors know well. When the dorsal vagal system is chronically dominant, a person may look calm, function passably, and report “feeling nothing” — which is accurate. The defensive collapse has disconnected them from both the threat and the experience of being alive.

This is particularly relevant for driven women, many of whom have learned to function brilliantly from a state of dorsal vagal dominance. They are productive. They are capable. They are relationally skilled enough to pass. And they experience themselves as living slightly behind glass — present, but not quite here. Somatic Experiencing is one of the few approaches that directly addresses this layer.

How Frozen Trauma Shows Up in Driven Women

Kira’s presentation — the gap between intellectual fluency about trauma and any lived, felt sense of the body — is something I encounter with significant regularity in my practice with ambitious, accomplished women. Many of them have been praised their entire lives for being smart, articulate, and composed. The nervous system has learned that the body’s signals are either dangerous (they threaten composure) or irrelevant (the mind can override them). Over time, interoceptive awareness — the capacity to feel internal bodily states — atrophies.

SE is specifically designed to rebuild this capacity. Not by demanding that clients dive into somatic experience, but by gently, incrementally helping them locate and tolerate sensations that are manageable, then gradually expanding the window of what can be felt without overwhelm.

The SE Approach: Pendulation, Titration, and Completion

Somatic Experiencing employs three core principles that distinguish it from standard trauma treatment:

Pendulation is the deliberate movement of attention between areas of distress or activation in the body and areas of resource, neutrality, or relative ease. Rather than sustained contact with the difficult material, the SE therapist guides the client to approach the sensation, notice what’s there, then actively redirect to something that feels resourced — a pleasant sensation, a sense of support from the chair, the feel of the floor under the feet. This back-and-forth movement prevents the client from becoming stuck in overwhelm and, over time, builds the nervous system’s capacity to oscillate between activation and regulation — which is, essentially, what emotional regulation is.

Titration, as defined above, is approaching the trauma in small doses. In practice, this looks like making brief, focused contact with the edge of a traumatic memory or body sensation, then backing away before the system floods. Levine often compares this to slowly approaching a sleeping lion: you don’t run at it. You take one step, notice what happens, and if it’s okay, you take another. The goal is not to feel everything at once. The goal is to build the system’s capacity to feel anything at all without being overwhelmed.

Completion of incomplete defensive responses is the third pillar. SE is interested in what the body was trying to do when the trauma occurred — the movement that was interrupted. A client who was grabbed from behind may have an incomplete impulse to turn and push away. A client who froze during childhood abuse may have a suppressed impulse to run. SE gently tracks these incomplete movements and creates space for them to complete — not by re-enacting the trauma, but by following the body’s own impulses toward resolution. This completion produces a genuine discharge of the stored activation: trembling, spontaneous breath changes, tears, a sense of settling and release.

A 2017 randomized controlled trial by Brom and colleagues published in the Journal of Traumatic Stress found that Somatic Experiencing produced significant reductions in PTSD symptoms compared to a waitlist control, with effect sizes comparable to other evidence-based trauma treatments. A 2021 scoping review confirmed SE’s effectiveness across clinical populations and identified the therapeutic relationship and body-attunement as key mechanisms.

Both/And: Intellectually Fluent and Somatically Disconnected

There’s a particular kind of exhaustion that driven women describe who have been doing “all the right things” therapeutically — reading, understanding, practicing the cognitive tools — and still can’t close the gap between what they know and how they feel. Or more precisely: what they don’t feel.

Dani is not unusual. Many of the most intellectually sophisticated clients I work with are the ones most somatically disconnected — partly because intelligence, in the cultures most driven women were raised in, was the supreme value. The body was something to manage, override, and instrumentalize. The mind was the tool that earned praise, safety, and belonging. The nervous system learned accordingly: stay in your head. The body is not the point.

Somatic Experiencing offers a fundamentally different premise: the body is exactly the point. The memo has to go to the body, in the body’s own language. And that language is sensation, not narrative.

The Systemic Lens: Bodies That Can’t Afford to Feel

The disconnect between intellectual understanding and somatic experience isn’t only an individual pattern. It’s shaped by social and cultural forces that distribute the permission to inhabit one’s body very unevenly.

Driven women in high-performance cultures are systematically rewarded for cognitive output and emotional suppression. The professional environments most of my clients inhabit prize composure, rationality, and productivity — and explicitly or implicitly penalize visible emotional states, especially in women. Crying at work is a career liability. Trembling is unprofessional. Slowness is weak. The cultural message is consistent: the body’s signals are noise, not signal.

For women of color, this is compounded by the expectation of the “strong Black woman” archetype, the model minority myth, or the pressure of being the first in their family or profession to occupy a space where vulnerability was already structurally dangerous. Emotional suppression in these contexts isn’t a personal failing — it’s a rational adaptation to a system that makes feeling expensive.

Gabor Maté’s work on the body-disease connection — which we explore in our Gabor Maté guide — makes the same systemic argument from a different clinical angle: bodies that can’t afford to feel eventually express what’s unexpressed through physical symptoms. The body finds a way to speak, even when its owner has learned not to listen.

Levine’s framework doesn’t require clients to dismantle their professional identities or abandon the competence that has served them. It asks something quieter: can you feel your feet on the floor right now? Can you notice the weight of your hands in your lap? These small, somatic moments of presence are the entry points. The revolution is incremental, and it starts wherever the body currently is.

How to Heal: SE Principles in a Therapeutic LMFT Context

SE is a specialized training that requires years of coursework, consultation, and supervised clinical hours to deliver formally. But the principles of SE — the orientation toward the body, the commitment to titrated contact, the curiosity about sensation over narrative — can inform how any trauma-informed therapist works.

In my own LMFT practice, I don’t position myself as an SE practitioner but as a trauma-informed therapist who integrates SE principles into relational, attachment-based, and parts-oriented work. What that looks like in practice:

Beginning with resources. Before any session makes contact with difficult material, I’m tracking what supports the client right now — physiologically, relationally, cognitively. We establish an anchor before we go anywhere near the thing that needs to be processed. This is the titration principle in action.

Slowing down. Much of the work is simply learning to notice sensation without immediately interpreting or dismissing it. The question “what do you notice in your body as you say that?” is often met, initially, with a blank look. We practice. We slow. We learn to distinguish between the thought about the sensation and the sensation itself.

Following the body’s lead. When a client has an impulse — to curl their shoulders forward, to brace, to push their feet into the floor — I gently notice and name it, and sometimes invite them to follow it slightly further. These movement impulses are often the incomplete defensive responses that Levine describes. Allowing them to complete, even partially and symbolically, produces measurable relief.

Working with polyvagal states. SE integrates well with Stephen Porges’ Polyvagal Theory — both frameworks are concerned with the nervous system’s hierarchy of threat responses. Understanding whether a client is in sympathetic activation (fight/flight) or dorsal vagal collapse (freeze/dissociation) determines what intervention is most useful. (See our Polyvagal Theory guide for more on this.)

The goal, in Levine’s framework as in my own clinical work, isn’t to excavate every traumatic memory. It’s to help the nervous system learn that it can come out of survival mode — that safety is possible, that the body can be a place of information rather than only a source of threat. For driven women who’ve spent decades managing their bodies rather than inhabiting them, this is often the most radical thing therapy can offer.

If you recognize yourself in any of what I’ve described — the physical symptoms with no clear cause, the emotional flatness, the gap between what you understand and what you feel — it’s worth knowing that this pattern is workable. The body that’s been managing alone for years can learn a different relationship with safety. That’s not a promise about timeline or ease. It’s a statement about what’s possible.

Frequently Asked Questions: Somatic Experiencing, Peter Levine & Body-Based Trauma Therapy

About Annie Wright, LMFT

Annie Wright is a Licensed Marriage and Family Therapist and the founder of Evergreen Counseling in Berkeley, California. She specializes in complex trauma, relational healing, and the nervous system patterns of driven, ambitious women. In her clinical work, Annie integrates principles from Somatic Experiencing, IFS, polyvagal theory, and attachment neuroscience. Read more about Annie.