Trauma OT | Hannah McNulty | Nervous System Regulation

How Occupational Therapy can Regulate the Nervous System

What is Nervous System Regulation?

Nervous system regulation describes the way our body and brain respond to what is happening within us and around us, and how we return towards a sense of safety, connection and balance afterwards.

Our nervous system is constantly taking in information. This includes sensory input from our surroundings, such as noise, light, movement, temperature, touch and other people, as well as information from inside the body, such as hunger, pain, tiredness, a racing heart, muscle tension or strong emotions.

When we feel safe enough and supported, we are more able to think clearly, connect with others, notice our needs and take part in everyday life. When our nervous system detects threat, overload or uncertainty, it may move into a protective response. These responses are not a person “being difficult”, attention-seeking or choosing not to cope. They are often the body’s understandable attempt to keep the person safe.

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What can dysregulation look like?

Everyone’s nervous system responds differently. For some people, dysregulation may look like becoming anxious, restless, irritable, overwhelmed or unable to sit still. Others may experience panic, anger, tearfulness, difficulty concentrating, sensory overload or a strong need to escape a situation. For others, the response may be quieter. They may shut down, go blank, freeze, feel disconnected from themselves or their surroundings, become exhausted, struggle to speak, or find it difficult to make decisions. Some people experience dissociation, which can range from feeling unreal or distant to having gaps in memory or a stronger sense of disconnection from the body, emotions or environment.

A person may move between these responses, particularly when they are under prolonged stress or have experienced trauma. Regulation is not about staying calm all the time. It is about recognising what is happening, responding with compassion and having ways to move towards enough safety and steadiness to do what matters.

Why does this matter in occupational therapy?

Occupational therapy is concerned with helping people take part in the activities and roles that are important to them. This includes self-care, sleeping, eating, moving around, managing a home, parenting, learning, working, playing, enjoying hobbies, building relationships and participating in the community. When someone’s nervous system is overwhelmed, shut down or constantly on alert, everyday activities can become much harder.

It may affect:

Getting started with tasks or managing routines
Washing, dressing, eating or attending to other self-care needs
Sleeping, resting and recovering from the day
Concentrating, planning, remembering and making decisions
Managing school, college, work or appointments
Coping with changes, transitions, demands or uncertainty
Being in busy, noisy or unpredictable environments
Maintaining relationships or feeling safe around other people
Taking part in meaningful interests, leisure and community life

This is why regulation matters in occupational therapy:

it is closely connected to participation. Sensory processing differences can affect attention, emotional regulation, transitions, social participation, self-care and engagement in home, school and community activities. Occupational therapists use this understanding to connect regulation support with the person’s real-life goals and routines.

For people affected by trauma, hyperarousal, emotional numbing, dissociation and difficulties with emotional regulation can also contribute to significant functional impairment.

Regulation, trauma and neurodivergence

Trauma, chronic stress, attachment disruption, sensory differences, neurodivergence, physical health conditions and difficult life circumstances can all influence how a person experiences and responds to the world. For someone who has experienced trauma, their nervous system may have learned to stay alert for danger, even when they are currently safe. This can make everyday sensations, demands, relationships or changes feel threatening or overwhelming. A person may be more likely to move into fight, flight, freeze, shutdown or dissociative responses.

For neurodivergent people, regulation may be affected by differences in sensory processing, executive functioning, communication, energy levels, social demands and the effort involved in navigating environments designed around neurotypical expectations. Overload is often a response to genuine environmental, sensory or emotional demands; it should not be understood as a personal failure. The same strategy will not work for everybody. What feels grounding or soothing for one person may feel uncomfortable, unsafe or overwhelming for another. Regulation support should therefore be individual, collaborative and guided by the person’s own preferences, sensory needs, culture, access needs, experiences and goals.

How occupational therapy can help

Occupational therapy does not aim to make people suppress their needs, “behave” in a particular way or tolerate environments that are consistently overwhelming. Instead, it can help people understand their patterns of regulation and develop practical, sustainable support for everyday life.

This may include:

Understanding personal signs of overload, shutdown, dissociation or rising stress
Identifying sensory preferences, sensory sensitivities and sources of sensory overload
Exploring activities, movement, rhythm, breathing, touch, pressure, rest or environmental changes that feel supportive to the individual
Building routines that balance demand, rest, recovery and meaningful activity
Supporting sleep, eating, self-care, transitions and executive functioning
Adapting home, school or work environments to reduce unnecessary demands
Developing a personalised regulation plan for difficult moments, appointments, travel, education or work
Supporting parents, carers, schools and workplaces to understand what helps
Using strengths, interests, creativity, nature and meaningful occupations as part of recovery and wellbeing

Sensory-informed occupational therapy links strategies to a person’s actual occupational goals- for example, being able to manage the school day, return to work, take a shower, attend an appointment, participate in family life or enjoy a valued hobby.

At Trauma OT we follow current occupational therapy guidance which emphasises embedding sensory strategies within tasks, routines and environments to support self-regulation, performance and participation, rather than treating sensory tools as a one-size-fits-all solution.

A gentle reminder

Nervous system regulation is not a quick fix, and it is not about being calm, productive or socially acceptable at all times. It is about increasing understanding, choice, safety and access to the life you want to live. For some people, particularly those living with significant trauma, dissociation, panic, self-harm, suicidal thoughts or complex mental health needs, regulation work may need to sit alongside support from other health professionals. Occupational therapy can form an important part of a wider, joined-up plan of care.

If you are in immediate danger, at risk of harming yourself or someone else, or need urgent mental health support, contact emergency services, NHS 111 option 2 in England, or your local crisis service.