Jen Lumanlan — What to do with the myth of Polyvagal Theory

In one sentence

The validity of a psychological framework matters less than its ability to provide a coherent "story" that helps you understand your experience, regulate your nervous system, and build a more empathetic relationship with your children.

Why read this (and who it's for)

This episode is for parents and caregivers who feel overwhelmed by the "science" of parenting—specifically those who have heard about Polyvagal Theory (PVT) but are confused by the conflicting information online. It solves the paralysis of "analysis": the fear that if a theory isn't 100% scientifically proven, you shouldn't use it to help your child. After reading, you will be able to evaluate therapeutic tools based on their utility and relational safety rather than just their academic pedigree.

The big idea

Jen Lumanlan argues that we must distinguish between "scientific truth" and "functional heuristics." Polyvagal Theory—the idea that our autonomic nervous system (ANS) operates in a hierarchy of states (Safe, Mobilized, Immobilized) governed by the vagus nerve—is currently embroiled in a massive scientific "squabble." Critics argue the evidence for its core premises is thin or even flawed.

However, Lumanlan posits that for a parent trying to navigate a trauma response, the "truth" of the vagus nerve's specific role is secondary to the "myth" of the theory. If the story of the "Safe State" (ventral vagal) helps you understand why your child is shutting down or why you are reacting with rage, then that story is a valid tool for healing. We should not abandon helpful tools just because a "debunker" found a flaw in the underlying biology, especially when the goal is to create a "container" of safety for the family.

Key ideas

The Three States of the ANS

• What it is — PVT identifies three primary states: the Safe State (ventral vagal/social engagement), the Mobilized State (sympathetic/fight-or-flight), and the Immobilized State (dorsal vagal/shut down).
• Why it matters — It provides a vocabulary for what is happening in the body during stress. Instead of seeing a child as "bad" or "defiant," you see them as being in a specific physiological state of safety or danger.
• In the book — Lumanlan describes the "ladder" of safety: the top rung is calm and relaxed, the middle is mobilized for threat, and the bottom is shut down due to numbness or disconnection.

Neuroception and Co-regulation

• What it is — Neuroception is the body's built-in surveillance system that constantly scans for cues of safety or danger. Co-regulation is the unconscious exchange of these safety signals between people.
• Why it matters — It shifts the focus from "behavior" to "safety." If a child's system is faulty and constantly sensing threat, they aren't "misbehaving"; they are reacting to a perceived danger.
• In the book — Lumanlan explains that we naturally send and receive signals of safety through our "social engagement system," which helps calm our reactions to threats.

The "Myth" as a Heuristic

• What it is — A heuristic is a mental shortcut or a "macro story" that holds individual micro-stories together. Lumanlan argues that some psychological theories act as myths—stories we tell ourselves to create coherence.
• Why it matters — It allows you to use tools like the "Window of Tolerance" or "Fight-Flight-Freeze" responses even if the underlying science is still being debated. If the story helps you navigate your life, it is useful.
• In the book — Lumanlan shares her own experience with an autism self-diagnosis, noting how it provided a "macro story" that explained her social struggles and sensory processing, providing her with a sense of autonomy.

The Problem of "Publication Bias"

• What it is — In science, studies that find a positive effect (like a drug working) are much more likely to be published than studies where the drug does nothing.
• Why it matters — This means our "scientific" understanding of things like antidepressants or the efficacy of certain protocols may be skewed by what we want to see rather than what is actually happening.
• In the book — Lumanlan notes that for children, the placebo response rate is 46%, while the medication response rate is 59%—a much smaller gap than often reported.

The Four Components of a Cultural Healing Practice

• What it is — A framework for evaluating any therapeutic tool (including PVT) based on: 1) The skill of the practitioner, 2) The "container" of the environment, 3) The coherence of the explanation, and 4) The likelihood of the action helping.
• Why it matters — It moves the goalposts from "Is this 100% true?" to "Is this helpful and safe for me and my child?"
• In the book — Lumanlan uses this to justify why her "Taming Your Triggers" workshop works: it provides a de-shaming container where parents can see their struggles are not unique failings.

Frameworks & tools

The 4-Component Evaluation for Healing Practices

Use this checklist before adopting any new parenting "theory" or "protocol" (like the Safe and Sound Protocol):

1. Practitioner Skill: Does this person have the skills to help? (Look for qualifications and peer-reviewed evidence, but also for the ability to hold space).
2. The Container: Can I imagine being held in this space? Is the environment safe, non-judgmental, and capable of holding my story?
3. Coherence of Explanation: Does the way they explain what is happening to me make sense? Does it fit with my cultural beliefs and my lived experience?
4. Actionable Utility: Do I believe that the specific actions they are asking me to do will actually help me?

Memorable examples & stories

The "Autism" Macro Story

Lumanlan shares how her own self-diagnosis of autism served as a "macro story" to organize her experiences of social difficulty and sensory overwhelm. The lesson: A theory doesn't have to be a universal scientific law to be a valid, life-changing tool for personal coherence.

The "Placebo" of Depression

Lumanlan discusses how many people feel better taking a pill simply because they expect to feel better. The lesson: Sometimes the "story" we tell ourselves about a treatment is what creates the healing, and that is not a failure of the medicine, but a testament to the power of belief and expectation.

The "Safe and Sound Protocol" (SSP) Case Study

Lumanlan highlights a case study where a client reported less sweating and more "ventral vagal" access after using the SSP. However, she warns that this is a single, non-scientific anecdote. The lesson: Be wary of "success stories" that lack aggregated data; they can be used to manufacture a sense of evidence where none exists.

Key quotes

"The whole thing makes logical sense to us... if the ideas and PVT help us to explain our experience, in a way that makes sense to us, then maybe all the evidence wars don't really matter." Why it matters: This is the core of the "myth" argument—utility over absolute proof.

"A theory is an idea that doesn't just come from nowhere; it's substantiated by the evidence we have available at the moment. Even if nobody had looked at that evidence in the way we're now looking at it." Why it matters: It reminds us that "science" is a snapshot of current human understanding, not an unchanging truth.

"I've actually seen people get a lot of benefit and then abandon what they found experientially useful, because some asshole who read an article that they only half understood, told them that it wasn't scientifically valid." (Paraphrased from therapist Andrew Cook) Why it matters: It serves as a warning against "intellectual vanity"—the tendency to let a flawed critique of a theory ruin a genuine, lived improvement in your parenting.

How to apply it

This week

• Identify your "Macro Story": Write down one theory or "myth" you currently use to explain your child's behavior (e.g., "They are just testing boundaries"). Ask yourself: Does this story help me stay calm? Does it help me see my child as a whole person?
• Audit your "Containers": Look at the resources you use (podcasts, books, workshops). Do they provide a "container" where you feel seen and de-shamed? If not, look for a different source.

Ongoing

• The "Utility First" Rule: When you hear a new "scientific" parenting tip, ask: "Does this explanation make sense to me?" and "Will the action it suggests actually help me?" before you worry about the underlying peer-reviewed data.
• Practice Co-regulation: Instead of focusing on "fixing" a child's behavior, focus on your own "ventral vagal" state. When you feel safe and regulated, you create a "container" of safety for your child to regulate, too.

Common pitfalls

• The "Science Trap": Falling into the trap of thinking that if a theory is criticized by a "debunker" on social media, it is immediately useless. Lumanlan warns that many "debunkers" use straw man arguments and misinterpretations of the original research.
• The "Authority Trap": Assuming that because a researcher is a "big name" (like Dr. Porges), every single claim they make is an absolute biological fact.
• The "Perfect Data" Trap: Waiting for "definitive" evidence before trying a tool that might actually help your child today.

Connects to

• The Body Keeps the Score by Dr. Bessel van der Kolk (referenced for the importance of finding meaning in trauma).
• No Self, No Problem by Dr. Chris Niebauer (referenced for the idea that our interpretations of reality are what we live in).
• Sand Talk by Tyson Yunkaporta (referenced for the value of Indigenous thinking and non-Western ways of understanding the world).

If you remember only three things

• Utility over Truth: If a theory (like Polyvagal Theory) helps you understand your child and regulate your own triggers, it is a valid tool, even if the science is still being debated.
• The "Macro Story": Use "myths" or heuristics to create coherence in your life. They are the "glue" that holds your experiences together.
• The 4-Component Check: Evaluate any parenting tool by its ability to provide a safe container, a coherent explanation, and a useful action.

Internalize it

• Reflection questions

  • When I feel triggered by my child, what "story" am I telling myself about why they are doing what they are doing?
  • Does that story help me stay regulated, or does it make me feel like a "bad" parent?
  • How can I create a "container" of safety for my child today that doesn't rely on "fixing" their behavior?
  • Am I letting "scientific" debates distract me from the actual, lived experience of my child's needs?

• Flashcards Q: What is the difference between a "scientific truth" and a "heuristic" in the context of Polyvagal Theory? A: Scientific truth is an evidence-based claim about biological mechanisms; a heuristic (or "myth") is a story or framework that helps a person make sense of their experience and navigate their life.

Q: What are the three states of the ANS in Polyvagal Theory? A: The Safe State (ventral vagal), the Mobilized State (sympathetic), and the Immobilized State (dorsal vagal).

Q: What is "neuroception"? A: The body's built-in surveillance system that constantly scans the environment and other people for cues of safety or danger.

Q: What are the four components of a "Cultural Healing Practice"? A: 1) Practitioner skill, 2) The "container" of the environment, 3) Coherence of the explanation, and 4) Actionable utility.

Q: Why does Lumanlan argue that "myths" are important in parenting? A: Because sometimes the "macro story" (like a self-diagnosis or a theory) provides the coherence needed to understand complex behaviors and provides a sense of autonomy for the parent.

Fidelity note

This summary is based strictly on the transcript provided. I am highly confident in the distinction Lumanlan makes between "scientific truth" and "functional heuristics." I have included her specific critiques of the "Safe and Sound Protocol" (SSP) and the "publication bias" in depression research as they were central to her argument about the limitations of current "science." One nuance to verify in the original is the specific "straw man" arguments she attributes to Dr. Paul Grossman, as she mentions them but does not detail every specific point of the "debunking" in this specific segment.