"Somatic" appears on a very large number of therapist profiles, and it means considerably different things depending on who wrote it. For some it denotes completion of a three-year certification in a specific method. For others it means the clinician sometimes asks where you feel something in your body. Both are legitimate practices; they are not the same claim, and the word alone does not distinguish them.
This guide covers what the two best-known formal methods actually involve, what the evidence currently supports, and how to find out which version you are being offered.
The underlying premise
Body-based trauma approaches share a starting point: traumatic experience is held not only as narrative memory but as patterns in the nervous system and body — chronic bracing, collapse, hyperarousal, numbness. On this view, some people can recount a traumatic event in complete detail and remain symptomatic, because the account is not where the symptom lives.
The methods therefore work primarily through attention to physical sensation, posture, breath, and impulse rather than through detailed verbal recounting. This makes them attractive to people who have talked about their trauma extensively without relief, and to people for whom detailed narrative exposure is intolerable.
Somatic Experiencing
Developed by Peter Levine, Somatic Experiencing works with what practitioners call titration and pendulation. Titration means approaching activating material in very small increments rather than fully entering the memory. Pendulation means deliberately moving attention back and forth between activation and a place of relative calm or resource in the body.
A session typically involves tracking sensation moment to moment — tightness, temperature, tingling, impulses to move — and following the body's spontaneous responses, including shaking, deep breaths, or postural shifts, which the model interprets as discharge of incomplete defensive responses. Notably, the narrative is often not the focus at all. Practitioners are trained to work with the nervous system's arousal directly, and clients frequently report that little of the traumatic story is discussed in detail.
Sensorimotor Psychotherapy
Developed by Pat Ogden, Sensorimotor Psychotherapy integrates somatic work with attachment theory and cognitive processing more explicitly. It places particular emphasis on posture and movement — noticing how the body organizes around a memory or a relational moment, and then experimenting with different physical organizations.
A distinctive feature is completing thwarted defensive actions: where a person could not push away, run, or reach out at the time, the work may involve carrying out that physical action slowly and deliberately in session. The model is explicitly phase-oriented, following the stabilization-processing-integration structure common in trauma treatment.
The evidence base for somatic approaches is developing but is not equivalent to that of EMDR, Prolonged Exposure, or Cognitive Processing Therapy. A randomized controlled trial of Somatic Experiencing for PTSD by Brom and colleagues found significant symptom reduction relative to a waitlist, and subsequent reviews describe promising but limited findings, with the field calling for larger and better-controlled trials.
Sensorimotor Psychotherapy has fewer controlled trials still, with most published work consisting of case series and small pilot studies. Being clear about this matters: these approaches are used widely and many people find them genuinely valuable, and a well-informed practitioner will describe the evidence accurately, including where it is still developing. That candour is itself a good sign.
How to check the training
Both methods have formal pathways, which makes the claim verifiable if you ask the right question.
Somatic Experiencing Practitioner (SEP)
The SE training is a three-year sequence — beginning, intermediate, and advanced — with required personal sessions and case consultation. Someone who has completed it holds the SEP designation. "Beginning year SE trained" is a real and honest description of partial training; it is not the same as SEP.
Sensorimotor Psychotherapy certification
The Sensorimotor Psychotherapy Institute runs sequential levels, with Level I focused on trauma themes and Level II on developmental and attachment material, followed by a certification process. Ask which level, and whether certification was completed.
"Somatic-informed" or "body-based"
Often accurate and honest — a clinician trained primarily in another modality who incorporates attention to the body. Useful and legitimate. It simply is not the same as certification, and the difference is worth knowing before you choose.
Polyvagal language
Many clinicians describe their work using polyvagal terms. This is a theoretical framework rather than a training credential, and aspects of the theory remain debated within the research literature. Its presence tells you about a clinician's conceptual vocabulary, not about their training hours.
Touch, and consent
Some somatic practitioners use light therapeutic touch; many do not. Where touch is used, it should be explicitly discussed and consented to in advance, with a clear explanation of purpose, and it should be straightforward to decline without affecting the rest of the work. Licensure rules on touch vary by state and profession. Discussing it beforehand is the standard the methods themselves set, and practitioners trained in them treat that conversation as part of the work.
Questions worth asking
- "Which somatic training have you completed, and to what level?"
- "Are you an SEP, or Sensorimotor certified, or somatic-informed?"
- "What does a session actually look like — how much talking, how much tracking?"
- "Do you use touch? If so, how is consent handled?"
- "How would you combine this with an evidence-based protocol if I want one?"
- "How do you handle it if I dissociate during the work?"
- SE and Sensorimotor are formal methods with multi-year training pathways.
- SE works through titration and pendulation, often with little narrative detail.
- Sensorimotor emphasizes posture, movement, and completing thwarted defensive actions.
- The evidence base is promising but thinner than for EMDR, PE, and CPT.
- "Somatic" alone is not a credential — ask which training and what level.
References
- Levine, P. A. (2010). In an Unspoken Voice: How the Body Releases Trauma and Restores Goodness. North Atlantic Books.
- Ogden, P., & Fisher, J. (2015). Sensorimotor Psychotherapy: Interventions for Trauma and Attachment. W. W. Norton.
- Brom, D., Stokar, Y., Lawi, C., et al. (2017). Somatic Experiencing for posttraumatic stress disorder: A randomized controlled outcome study. Journal of Traumatic Stress, 30(3), 304–312.
- Kuhfuß, M., Maldei, T., Hetmanek, A., & Baumann, N. (2021). Somatic experiencing — effectiveness and key factors: A scoping literature review. European Journal of Psychotraumatology, 12(1), 1929023.