Polyvagal Assessment · P.O.L.Y. Engine

Nervous System
State Profiler

45 Questions · 6 States · ~8 Minutes

Discover exactly where you are on the polyvagal ladder — right now.
Science-grounded. Free. No account required.

Polyvagal-Grounded Built on Stephen Porges' Polyvagal Theory
45 Questions 45 Likert-scale questions, IRT-calibrated
6 NS States Ventral Vagal, Sympathetic, Dorsal Vagal + blends
Live Ladder Real-time polyvagal ladder position as you answer
Radar Chart 5-axis dimensional profile: regulation, social, stress…
Breath Guide Box · 4-7-8 · Physiological Sigh protocols

Assessment Mode

🔒 Private No account needed Free

This tool is a psychoeducational resource, not a clinical diagnostic. Results reflect your nervous system state at the time of assessment. For medical concerns, please consult a qualified professional.

45
Questions
6
NS States
5
Dimensions
Free
Always
Based on Polyvagal Theory Your answers are never sold or shared Instant results · No sign-up required

What Is Polyvagal Theory?

The Polyvagal Theory, developed by Dr. Stephen Porges, proposes that the human autonomic nervous system has three distinct regulatory states arranged in an evolutionary hierarchy — not a simple fight-or-flight binary. At the top is the Ventral Vagal state (safety, connection, social engagement), the middle is Sympathetic Mobilization (fight or flight), and at the bottom is Dorsal Vagal Shutdown (freeze, collapse, disconnection).

Unlike older models, Polyvagal Theory explains why trauma responses can look like passivity or numbness, and why feeling safe isn't just a thought — it's a full-body neurological state. Understanding your current state on the polyvagal ladder is the first step in nervous system regulation, trauma healing, and building genuine resilience.

How Does This Nervous System Assessment Work?

The NSSP uses the P.O.L.Y. Engine (Polyvagal Orientation & Ladder Assessment) — 45 questions across 5 dimensions: Regulation Baseline, Social Engagement, Stress Response, Recovery Capacity, and Body Awareness. Each question is IRT-calibrated (Item Response Theory), meaning responses carry different weights based on their discriminatory power.

Your responses are scored against six nervous system state profiles using weighted dimensional matching and Bayesian probability analysis. You receive not just a primary state, but a polyvagal ladder score, a 5-axis radar profile, secondary and blended state analysis, and a personalized regulation toolkit — all within minutes.

What You'll Discover in Your Free Results

Your free results include everything you need to understand your nervous system's current state and begin working with it:

Primary NS state with full profile
Polyvagal ladder position & score
5-axis radar chart across all dimensions
Blended or secondary state detection
Body signals & nervous system cues
Regulation toolkit with practices
Breathing guide (Box, 4-7-8, Sigh)
Assessment history (last 5 results)

How to Use the Nervous System State Profiler

Choose Your Mode

Select Full (45 questions, ~8 min), Quick (20 questions, ~4 min), or Express (10 questions, ~2 min) based on how much time you have. Full mode provides the most accurate polyvagal profile.

Answer Honestly

Read each question slowly and respond based on how you feel right now — not how you ideally want to feel. The P.O.L.Y. Engine is sensitive to your present-moment state, not your aspirational self.

Review Your Ladder

See your real-time polyvagal ladder position animate as you answer. After completion, explore your full state profile, radar chart, and the science behind your current nervous system state.

Use Your Toolkit

Apply the regulation practices in your personalized toolkit. Use the breathing guide — Box, 4-7-8, or Physiological Sigh — as an immediate co-regulation tool tailored to your current state.

Track Over Time

Your last 5 assessments are saved in your browser. Retake weekly to track patterns, notice what dysregulates you, and observe your nervous system's flexibility growing over time.

Get the PDF Report

Unlock a comprehensive 9-page PDF report with your full dimensional profile, body signals map, regulation toolkit, and relationship patterns guide — ideal for self-discovery or working with a therapist.

The 6 Nervous System State Profiles

The NSSP maps your responses against six distinct nervous system states drawn from Polyvagal Theory. Most people show a primary state with elements of one or two others.

🌿

Ventral Vagal Safety

Regulated, connected, present. You feel safe in your body, open to connection, and able to think clearly. This is the baseline state for resilience and genuine social engagement.

⚡

Sympathetic Mobilization

Fight-or-flight activation. Your system perceives threat and is preparing to act. You may feel anxious, restless, angry, or hypervigilant. Energy is high but hard to direct.

🌑

Dorsal Vagal Shutdown

Collapse, freeze, disconnection. The oldest evolutionary response — immobilization in the face of overwhelming threat. Numbness, dissociation, and low energy are common signals.

🌀

Blended Freeze

Simultaneous high-arousal sympathetic activation and dorsal vagal shutdown. Produces a paralysis state — flooded and frozen at the same time. Often experienced as terror or panic.

💫

Social Engagement Stress

Engaged externally but dysregulated internally. You appear functional and connected, but beneath the surface, stress physiology is running. Common in high-performers and people-pleasers.

✦

Regulated Activation

Energized within a window of tolerance. You're alert, motivated, and capable — stress is mobilizing rather than dysregulating. This is the state of flow, focus, and purposeful action.

Frequently Asked Questions

What is a nervous system state profiler and how does it work?

A nervous system state profiler is a psychoeducational assessment that maps your current autonomic nervous system state using Polyvagal Theory as its framework. The NSSP uses 45 IRT-calibrated questions across five dimensions — Regulation Baseline, Social Engagement, Stress Response, Recovery Capacity, and Body Awareness — to calculate your position on the polyvagal ladder. Results include your primary nervous system state, a dimensional radar chart, ladder score, and a personalized regulation toolkit. It is not a clinical diagnostic but a self-awareness tool grounded in the science of the autonomic nervous system.

What are the 6 nervous system states on the polyvagal ladder?

The NSSP identifies six states based on Polyvagal Theory: (1) Ventral Vagal Safety — regulated, connected, calm; (2) Sympathetic Mobilization — fight-or-flight, high-arousal activation; (3) Dorsal Vagal Shutdown — freeze, collapse, disconnection; (4) Blended Freeze — simultaneous high-arousal and shutdown producing paralysis; (5) Social Engagement Stress — externally engaged but internally dysregulated; (6) Regulated Activation — energized within a window of tolerance, producing focused, purposeful action.

How accurate is the Nervous System State Profiler?

The NSSP is a psychoeducational tool, not a clinical diagnostic. Its 45 questions are designed using Item Response Theory (IRT) calibration across five autonomic dimensions, with results calculated via weighted dimensional matching. Accuracy depends on honest, present-moment answering — not how you ideally want to feel, but how you actually feel right now. Because nervous system states shift throughout the day in response to environment and experience, results reflect your state at the time of the assessment. Regular re-testing gives the most meaningful picture over time.

What is the polyvagal ladder and where am I on it?

The polyvagal ladder is a hierarchical model of the autonomic nervous system developed from Dr. Stephen Porges' Polyvagal Theory. At the top is Ventral Vagal (safety and connection) — the most evolved state, governed by the myelinated vagus nerve. The middle rung is Sympathetic Mobilization (fight-or-flight). At the bottom is Dorsal Vagal Shutdown (freeze and collapse) — the most primitive response. Most people move up and down this ladder many times a day in response to perceived safety and threat cues. Your NSSP score tells you exactly where you are right now with a numerical ladder score out of 100.

Can I have a blended nervous system state?

Yes. Most people don't fall cleanly into a single state — they show a primary state with elements of one or two others. The NSSP accounts for this through blended state detection. For example, a high-functioning professional under sustained stress might show a Social Engagement Stress profile: outwardly ventral vagal (engaged, warm, productive) but with significant sympathetic activation underneath. Blended Freeze — simultaneous sympathetic and dorsal vagal activation — is common in people with complex trauma histories. Your results include a secondary state analysis and a radar chart that reveals the full dimensional picture.

How is the NSSP different from a regular stress test or anxiety quiz?

Most stress tests measure anxiety symptoms in isolation. The NSSP maps your entire autonomic nervous system state using a five-dimensional model grounded in Polyvagal Theory. Rather than giving you a stress score, it tells you which specific physiological state your nervous system is in, why that matters for your body and relationships, and what evidence-based practices specifically match your state. It also distinguishes between shutdown (which looks like calm but isn't) and genuine regulation — a distinction most anxiety tools miss entirely.

How do I regulate my nervous system after taking the test?

Your results include a personalized regulation toolkit matched to your specific state. For Sympathetic Mobilization, this might include physiological sigh breathing, cold water on the face, or grounding practices that discharge mobilized energy. For Dorsal Vagal Shutdown, gentle movement, warmth, rhythm, and social connection (even micro-moments) are more effective. The NSSP's built-in breathing guide offers three science-backed breathing protocols — Box Breathing, 4-7-8, and the Physiological Sigh — all of which activate the vagal brake and shift the autonomic system toward regulation.

Is this nervous system assessment suitable for trauma recovery?

The NSSP is a psychoeducational tool suitable for anyone curious about their nervous system state, including those doing trauma-informed self-discovery work. It is not a substitute for clinical care. If you are currently working with a therapist or somatic practitioner, your NSSP results can provide useful context to bring into those sessions — particularly the dimensional profile, which shows your relative regulation across five autonomic dimensions. Please consult a qualified professional for any active trauma treatment or mental health concerns.

What is the premium 9-page PDF report?

The premium report expands your free results into a 9-page deep-dive. It includes: a detailed cover profile of your primary nervous system state; your full polyvagal ladder visualization; a dimensional breakdown across all five axes; your radar chart with interpretive commentary; a strengths analysis and growth edges section; a personalized regulation toolkit with specific practices for your state; a body signals map showing how your nervous system state manifests physically; and a relationship patterns guide exploring how your autonomic state shapes your connections with others.

People Also Ask About Nervous System Regulation

What does a dysregulated nervous system feel like?

Dysregulation shows up differently depending on which direction you've moved on the polyvagal ladder. Sympathetic dysregulation feels like anxiety, irritability, restlessness, racing thoughts, or a tight chest. Dorsal vagal dysregulation feels like exhaustion, numbness, emotional flatness, difficulty thinking, or wanting to withdraw. Many people experience cycles between both states — wired and then crashed — without recognizing these as nervous system patterns.

How long does it take to regulate your nervous system?

Acute regulation — shifting your state in the moment — can happen within 30–90 seconds using the right technique. The physiological sigh (double inhale followed by a long exhale) is the fastest known method for reducing acute stress. Deeper nervous system flexibility, where your system can shift states easily and recover quickly, develops over weeks and months of consistent regulation practice, somatic awareness, and safe relational experiences.

What is the window of tolerance in trauma healing?

The window of tolerance, coined by Dr. Dan Siegel, is the zone of optimal arousal where you're neither hyperaroused (sympathetic activation) nor hypoaroused (dorsal vagal shutdown). Within this window, you can process experience, think clearly, and engage relationally. Trauma narrows this window. Nervous system regulation work — including somatic practices, breathwork, and safe connection — gradually widens it, building genuine resilience rather than suppression.

Can nervous system regulation help with anxiety and burnout?

Yes. Anxiety typically reflects sympathetic nervous system activation — the system is mobilized for threat even when no physical danger is present. Burnout, by contrast, is often a dorsal vagal state following prolonged sympathetic activation — a collapse after sustained over-mobilization. Both respond well to polyvagal-informed practices that build vagal tone, restore the body's ability to shift between states, and address the underlying signals of safety and threat that drive autonomic responses.

Analysing your nervous system…

P.O.L.Y. engine processing 45 responses

Mapping autonomic response patterns…
Autonomic Baseline 1 of 45

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High confidence
Ladder Score —
🎯 — Ladder Score
◎ — Confidence
🧬 — Primary State

About Your State

Your Autonomic Profile

Dimensional Profile

🌿 Ventral Vagal
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⚡ Sympathetic
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🌑 Dorsal Vagal
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🌱 Recovery
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👁 Body Awareness
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Strengths & Growth Edges

✦ Strengths
◈ Growth Edges

Body Signals

State Library

Explore all six nervous system states on the polyvagal ladder.

Ventral Vagal

Anchored and open to life

  • Safety
  • Connection
  • Regulation

Sympathetic

Wired, charged, ready to move

  • Mobilisation
  • Fight · Flight
  • Stress

Blended

Two circuits, one moment

  • Mixed
  • Complex
  • Transitional

Recovery

The nervous system finding its way back

  • Healing
  • Returning
  • Tender

Dorsal Vagal

Shut down to survive

  • Shutdown
  • Freeze
  • Collapse

Reactive Collapse

Oscillating between fire and ice

  • Reactive
  • Oscillating
  • Dysregulated