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Polyvagal Theory

We experience polyvagal theory as a way of understanding how our nervous systems continuously sense safety or threat and organize our bodies, emotions, and relationships in response.

Rather than asking, “What’s wrong with me?” Polyvagal theory invites the question, “What does my nervous system believe is happening right now?”

In The Experience of We, polyvagal theory helps us understand why connection can feel calming, why disconnection can feel dysregulating, and why safety is a physiological experience before it’s a cognitive one.

The nervous system is always responding

Our nervous systems aren’t neutral or passive. They are constantly scanning — inside and outside — for cues of safety, danger, or overwhelm. This process is largely unconscious and automatic.

Based on what’s sensed, our nervous system organizes us into different states, each with its own logic, energy, and relational posture.

Three broad nervous system states

Polyvagal theory describes three primary patterns of response:

  • Safety and connection: When the nervous system senses safety, we have greater access to curiosity, empathy, play, learning, and connection. We can stay present with others and with ourselves.

  • Mobilized protection: When danger is sensed, energy mobilizes. We may feel anxious, defensive, angry, or driven to act. Focus narrows toward control, boundaries, or escape.

  • Shutdown and conservation: When threat feels overwhelming or inescapable, the system may reduce energy. We may feel numb, disconnected, collapsed, or withdrawn as a form of protection.

These states aren’t choices or character traits. They’re adaptive survival responses shaped by our deep time evolutionary development.

Polyvagal theory and relationship

Crucially, polyvagal theory shows that nervous systems regulate in relationship.

Cues of safety often come from:

  • Facial expression and tone of voice

  • Pace, rhythm, and presence

  • Predictability and responsiveness

  • Proximity to trusted others

This means that our state is often shaped between us, not just within us.

From this perspective, co-regulation isn’t a technique — it is a biological process.

Polyvagal theory and evolutionary mismatch

Many modern environments provide constant cues of uncertainty without providing reliable cues of safety.

This can leave nervous systems:

  • Chronically activated or dysregulated

  • Oscillating between activation and shutdown

  • Deprived of sustained access to safety and connection

Polyvagal theory helps explain why rest, trust, and openness can feel difficult even when nothing is “wrong,” and why healing often requires changing our conditions, not just our mindset.

Polyvagal theory is not a hierarchy of “good” and “bad” states

In The Experience of We, we don’t treat nervous system states as moral or pathological.

Each state has a function.

The question isn’t “Why am I like this?” but “What’s happening and what do I need right now?”

Over time, reliable safety and relational continuity allow greater flexibility — the ability to move between states without getting stuck.

Scientific grounding

Polyvagal theory, developed within neuroscience, describes how different branches of the vagus nerve support distinct patterns of regulation, social engagement, mobilization, and shutdown.

While the language is technical, the lived experience is familiar: our bodies know when connection feels safe — and when it doesn’t.

Why polyvagal theory matters in The Experience of We

We center polyvagal theory because it:

  • Grounds safety in physiology rather than intention

  • Explains why co-regulation is foundational

  • Clarifies how relational environments shape capacity

  • Supports compassion toward ourselves and others

It helps us design relationships and spaces that support nervous systems rather than overwhelm them.

Our one-sentence synthesis

We experience polyvagal theory as a framework for understanding how human nervous systems organize around safety, threat, and connection — and how relationship plays a central role in regulation and resilience.