top of page
Search

Trauma Responses Beyond Fight, Flight and Freeze: Understanding the Nervous System’s Search for Safety

  • Writer: Dr Heather Dyson
    Dr Heather Dyson
  • 2 days ago
  • 11 min read

When people first learn about trauma responses, they are often introduced to the idea of fight, flight, or freeze. These three patterns have become widely recognised and have helped many people make sense of why they react the way they do under stress, conflict, or emotional overwhelm.


For many, this framework brings relief. It offers language for experiences that previously felt confusing or even shameful. Yet, whilst fight, flight and freeze are helpful starting points, they only tell part of the story.


A more complete way of understanding trauma responses is to step back and look at what is happening underneath them. From a nervous system perspective, all of these responses can be understood as different ways the body and mind attempt to answer a single question:


Am I safe?


This question is not philosophical or reflective. It is biological. It is shaped by a process known as neuroception, a concept within Polyvagal Theory which describes how our nervous system continuously and automatically scans for cues of safety, danger, or life threat. Importantly, this process happens outside of conscious awareness. Long before we have had time to think, our nervous system has already begun to respond.


Understanding trauma responses through this lens helps us move away from self-judgement and towards curiosity. Instead of asking, “What is wrong with me?”, we can begin to ask, “What is my nervous system trying to do for me?”


Why Trauma Responses Exist

Our nervous systems evolved to keep us alive. Long before humans worried about emails, social expectations, or relationship difficulties, survival depended on recognising and responding quickly to danger.


When we perceive a threat, the brain's alarm system activates. Stress hormones are released, the body prepares for action, and attention becomes focused on safety. These reactions happen automatically, often before conscious thought has a chance to catch up.

The challenge is that the nervous system does not only respond to physical danger. Emotional rejection, criticism, conflict, humiliation, abandonment, and unpredictability can also activate survival responses, particularly if someone has experienced trauma earlier in life.


For those who have lived through chronic stress, adverse childhood experiences, abuse, neglect, or relational trauma, the nervous system may become highly attuned to detecting potential threats. Responses that once served an important protective function can become deeply ingrained patterns.


Understanding this helps us recognise that trauma responses are not signs of weakness. They are signs of adaptation.


The Nervous System’s Search for Safety

Polyvagal Theory, developed by neuroscientist Stephen Porges, offers one way of understanding how the autonomic nervous system responds to experiences of safety and threat. Whilst the science continues to evolve, many trauma-informed practitioners find it a helpful framework for making sense of human behaviour.


At its heart is the idea that our nervous system is not simply reacting to the external world, but constantly evaluating whether it is safe enough to connect, or whether it needs to protect us instead.


When sufficient cues of safety are present, we tend to enter what is often described as a ventral vagal state. In this state, the nervous system supports connection, curiosity, emotional regulation, and flexible thinking. We feel more grounded in ourselves and more able to engage with others.


When cues of safety are missing, or when something is interpreted as threatening, the nervous system shifts into survival-based states. These shifts are not conscious decisions. They are automatic biological responses designed to protect us.


From this perspective, trauma responses are not signs that something is wrong with us. They are signs that the nervous system has learned to prioritise survival in environments where safety may not have been consistently available.


Fight and Flight: Activation in the Face of Threat

When the nervous system detects danger, it may mobilise energy in preparation for action. This is often described as the sympathetic nervous system response, commonly associated with fight and flight.


The flight response is the impulse to escape. This may not involve physically running away, but can instead appear as overworking, busyness, restlessness, avoidance of emotional discomfort, or difficulty slowing down. For some, it can involve leaving situations quickly, emotionally withdrawing, or staying constantly occupied in order to avoid stillness.


The fight response, on the other hand, is the impulse to confront or resist a perceived threat. In everyday life, this may show up as irritability, defensiveness, anger, controlling behaviour, or a strong need to regain a sense of power and certainty. For some people, it can also appear as perfectionism or a drive to maintain control in order to prevent mistakes or criticism.


From a Polyvagal perspective, both fight and flight can be understood as attempts to move towards safety by dealing with perceived danger through action. The nervous system is mobilising energy in the hope that threat can be resolved. Importantly, these responses are not problems in themselves. They are intelligent survival strategies that become more understandable when we recognise the context in which they developed.


Freeze: When Action No Longer Feels Possible

Freeze is often described as a state of shutdown or immobility. It can occur when the nervous system perceives threat but neither fight nor flight feels possible. In these moments, people may feel stuck, numb, disconnected, or unable to think clearly. There may be a sense of wanting to act but being unable to initiate movement. Time can feel distorted, and emotional responses may become muted or inaccessible.


From a nervous system perspective, freeze can involve a combination of sympathetic activation alongside a shift into a more immobilised state associated with dorsal vagal processes. In simple terms, the system is overwhelmed and conserving energy.


Many people experiencing freeze describe it as frustration with themselves. They may assume they are lazy, unmotivated, or lacking discipline. Yet freeze is not a character flaw. It is a biological response to overwhelm.


In some cases, freeze can also look like procrastination, dissociation, mental fog, or feeling disconnected from one’s body. These experiences are often misunderstood, but they make sense when viewed as protective adaptations rather than personal failings.


Fawn: The Survival Strategy of Connection

Alongside fight, flight and freeze, many trauma-informed approaches also describe a fourth response: fawning. Fawning involves moving towards others in an attempt to maintain safety through connection, compliance, or appeasement. Rather than resisting or escaping threat, the nervous system attempts to reduce danger by preserving relationships.


From a relational perspective, this can develop when maintaining connection feels essential for safety. If expressing needs, disagreement, or emotional authenticity once led to rejection, conflict, or withdrawal, adapting by prioritising others’ needs may have been a powerful survival strategy. In adult life, fawning may appear as people-pleasing, difficulty saying no, over-apologising, suppressing personal needs, or feeling responsible for other people’s emotions. It can also involve a deep difficulty in identifying one’s own preferences, particularly in relationships.


From a Polyvagal perspective, fawning can be understood as an attempt to regain safety through social connection when direct protection strategies such as fight or flight do not feel available. It is important to recognise that these behaviours are not simply habits. They are often deeply embedded nervous system responses shaped by earlier experiences of relational safety and threat.


Collapse and Shutdown: When the System Goes Offline

In some situations, the nervous system may shift into a more profound state of shutdown or collapse. This is often associated with dorsal vagal activity within Polyvagal Theory. In this state, energy is significantly reduced. People may feel emotionally numb, disconnected, exhausted, or detached from their surroundings. There may be a sense of emptiness, hopelessness, or operating on autopilot.


Collapse can sometimes resemble depression, though the underlying processes may be rooted in nervous system protection rather than mood alone. From a survival perspective, collapse is the nervous system’s way of conserving energy when no other strategy appears possible. It is a form of biological conservation, not a failure of will or motivation.


Why We Develop Different Responses

One of the most common questions people ask is why individuals develop such different responses to similar environments.


The answer lies in the complexity of human development. Factors such as temperament, age, attachment relationships, support systems, and the timing and nature of experiences all influence how the nervous system adapts.


One child may learn that expressing anger leads to disconnection and therefore becomes highly compliant. Another may discover that achievement leads to attention and safety and therefore develops perfectionistic tendencies. Another may learn that emotional withdrawal reduces overwhelm and therefore becomes more internally disconnected.


Each of these adaptations reflects an attempt to find safety within a particular environment.

There is no single correct response to threat. There is only what the nervous system learned was most likely to help.


Moving Between States

It is important to recognise that these responses are not fixed categories. Human beings do not exist permanently in one state. Instead, we move between different nervous system states depending on context, relationships, and perceived safety.


A person may feel confident and capable in one environment, yet anxious or people-pleasing in another. They may alternate between overworking and shutdown, or between emotional intensity and numbness.


Rather than viewing these shifts as inconsistency, it can be more helpful to understand them as reflections of the nervous system’s ongoing attempt to navigate safety.


The Role of Co-Regulation and Connection

Within Polyvagal Theory, a key idea is that regulation is not something we achieve alone. Human nervous systems are shaped in relationship, and they continue to be influenced by connection throughout life. When we are with others who feel safe, present, and regulated, our own nervous systems can begin to settle. This process is known as co-regulation.


Over time, repeated experiences of safe connection can help the nervous system expand its capacity to remain in states of regulation and return to them more easily after stress. This is one reason why therapeutic relationships can be so powerful. It is not only the insight gained through conversation, but the experience of being with another person who offers consistency, safety, and attuned presence.


For some people, experiential approaches such as equine-assisted psychotherapy can also offer opportunities for co-regulation. Horses are highly sensitive to subtle changes in physiology and non-verbal communication, and many people find that working alongside them provides immediate feedback about internal states. This can support awareness, grounding, and a gradual rebuilding of felt safety in the body.


Healing as Flexibility, Not Perfection

A common misunderstanding about healing is that it means eliminating trauma responses altogether. From a nervous system perspective, this is neither realistic nor necessary.


Fight, flight, freeze, and shutdown are not flaws to be removed. They are part of the human survival system. There will always be situations in life that activate them. Instead, healing can be understood as increasing flexibility. This means becoming less likely to remain stuck in any one state for long periods of time. It means developing the capacity to notice shifts in the nervous system earlier, to recognise what is happening internally, and to gently support a return towards regulation and connection when possible.


It also involves increasing access to what Polyvagal Theory describes as the ventral vagal state, where connection, curiosity, emotional presence, and perspective are more available. Crucially, this process is not about forcing calm or suppressing activation. It is about building the internal and relational conditions in which safety becomes more accessible over time.


How Therapy Can Help

Understanding trauma responses intellectually can be an important first step, but many people discover that insight alone does not always create lasting change. This is because trauma responses are not simply thoughts or beliefs; they are patterns held within the nervous system, often shaped over many years.


Trauma-informed therapy can provide a safe and supportive space to explore these patterns with curiosity and compassion. Rather than asking people to "get over" their responses, therapy seeks to understand how they developed and what purpose they have served. Through this process, it becomes possible to build greater awareness, increase emotional regulation, and develop new ways of responding to stress, relationships, and life's challenges.


Approaches that incorporate an understanding of the body can be particularly helpful, as trauma is often experienced not only through thoughts and emotions but also through physical sensations, tension, and nervous system activation. Learning to recognise these signals can help individuals feel more connected to themselves and more able to respond to their needs with care.


For some people, working alongside horses within equine-assisted psychotherapy can offer a unique opportunity to explore patterns of relating, communication, boundaries, trust, and emotional regulation. Horses are highly attuned to non-verbal communication and can provide valuable feedback about how we experience ourselves and connect with others. This can create powerful opportunities for self-awareness and growth in a way that feels experiential, relational, and deeply grounding.


Whatever form healing takes, recovery is not about becoming a different person. It is about developing a greater sense of safety, flexibility, and choice. When we understand our trauma responses with compassion rather than judgement, we create the conditions for meaningful and lasting change.


Closing Thoughts

At the heart of this understanding is a simple but powerful idea: the nervous system is always trying to help us survive. Sometimes it does this through action. Sometimes through connection. Sometimes through withdrawal or shutdown. These responses are not random, and they are not signs of weakness. They are intelligent adaptations shaped by experience.


Healing is not about becoming a different person. It is about expanding the range of possibilities available to us in any given moment. It is about increasing our capacity to experience safety, connection, and choice, even in the presence of difficulty.


And perhaps most importantly, it is about learning to meet ourselves not with judgement, but with understanding.

 


 

Frequently Asked Questions

Are trauma responses permanent?

No. Trauma responses are not fixed traits, and they are not permanent states. They are patterns shaped by experience and held within the nervous system. While these responses can feel automatic or deeply ingrained, they are also adaptable. With time, safety, and supportive experiences, the nervous system can develop greater flexibility and new ways of responding.


Why do I react in ways I don’t understand afterwards?

This is often because trauma responses happen outside of conscious awareness. Through processes such as neuroception, the nervous system detects cues of safety or threat and responds before the thinking brain has fully engaged. It is common for people to only make sense of their reactions afterwards, once the nervous system has begun to settle.


Can I be in more than one trauma response at the same time?

Yes. It is very common for people to move between different nervous system states, sometimes within a short space of time. For example, someone may feel activated and anxious (flight), then become overwhelmed and shut down (freeze), or shift into people-pleasing (fawn) depending on the situation. These shifts are not inconsistency; they are the nervous system adapting to changing perceptions of safety.


How do I know which trauma response I use most often?

Many people notice a “default” response, particularly under stress, but this is not always straightforward. Some responses are more visible in certain contexts than others. For example, someone may appear highly functional and organised at work, yet become withdrawn or emotionally overwhelmed in close relationships. The aim is not to label yourself, but to notice patterns with curiosity over time.


Is fawning just people-pleasing?

They are closely related, but fawning is understood more specifically as a nervous system survival response. While people-pleasing can sometimes be a learned social habit, fawning is often rooted in experiences where maintaining connection felt essential for safety. It tends to involve a deeper sense of threat when expressing needs, boundaries, or disagreement.


Can trauma responses improve without therapy?

Some people do experience change through supportive relationships, self-awareness, and lifestyle factors that increase felt safety, such as rest, connection, and body-based practices. However, for many people, especially those with complex or longstanding trauma, therapy can provide a structured and supportive space to explore these patterns more safely and deeply.


What does “healing” actually look like?

Healing is not about never experiencing trauma responses again. Instead, it is about increasing flexibility within the nervous system. Over time, people often find they are able to notice their responses earlier, recover more quickly after stress, and access states of calm, connection, and clarity more readily. Importantly, they may also feel less self-critical when these responses do arise.


How does therapy help with nervous system responses?

Trauma-informed therapy supports people in understanding their patterns without judgement and building greater awareness of what safety and threat feel like in the body. Over time, this can help the nervous system experience new forms of regulation through both insight and relational safety. Approaches that include body awareness or experiential work, such as equine-assisted psychotherapy, can also support this process by engaging the nervous system more directly.

 

 

 
 
 

Comments


bottom of page