If your child melts down when a clothing tag scratches their neck, covers their ears at the supermarket, or seems never quite still at the dinner table, you have probably wondered whether it is something you can help with. Sensory processing interventions are one of the lenses an Occupational Therapist use to understand what is going on for a child, and sensory processing interventions are the tools we use to address it. This guide walks through what that means, explained clearly.
01 · What it is
What sensory processing is, and how it can be hard for some children
Sensory processing is how the nervous system takes in information from the body and the environment, organises it, and works out what to do with it. Understanding sensory processing interventions starts with knowing how this system works. The senses involved are more than the five we learn in school. They include touch, movement (the vestibular sense, in the inner ear), body position (proprioception, from the muscles and joints), sight, sound, taste, and smell.
For most children, this system works in the background. They feel a label on a shirt, register it as unimportant, and forget about it. They hear a noisy classroom, filter out the loudest bits, and stay focused on the teacher. They sit in a chair, feel their body’s position, and adjust without thinking.
For some children, parts of this system work differently. The label feels unbearable. The classroom feels overwhelming. Sitting still in a chair takes more effort than the schoolwork on top of it. A child might be over-responsive (sensory input feels bigger and lasts longer than expected), under-responsive (the child does not seem to register input that others would), or sensory-seeking (the child looks for more input, through spinning, jumping, crashing, or mouthing objects). How a child manages and settles their own responses to all this is what we call sensory regulation. We cover that in a separate guide on sensory processing and regulation.
Sensory differences sit on a spectrum. Some are mild and only show up in certain situations. Others affect daily life enough that a family looks for support.
02 · How it is assessed
How an Occupational Therapist assesses sensory processing
A sensory-processing assessment is built from several sources, not a single test. The point is to get an accurate picture of how the child is doing in their actual life, not how they perform in a one-off appointment.
The Occupational Therapist usually starts with a parent interview. What is hard at home? What is hard at school or daycare? When did you first notice it? What have you already tried, and what helped? Parents and carers know the child better than any clinician, and this part of the assessment is genuinely load-bearing.
The therapist then observes the child across activities with different sensory demands: play, fine motor tasks, gross motor tasks, and the transitions between activities. Where possible, the therapist also gathers information from school or kindergarten, because some children present quite differently across settings.
Standardised parent and teacher questionnaires fill in the rest of the picture. Commonly used tools include the Sensory Profile and the Sensory Processing Measure. These are scored against age norms, so the therapist can see which sensory systems the child is processing differently from peers.
At Optimum Health Solutions, the assessment also looks at the bigger picture: daily routines, school participation, family life, and what the family wants to be different. The aim is to leave the assessment with a clear, shared understanding of what is going on and what could help, not just a score on a questionnaire.
03 · Intervention approaches
Sensory processing interventions: approaches that work
Once the assessment is complete, the Occupational Therapist and the family agree on goals: the everyday things the child and the family want to be easier. The plan is built around those goals, and usually includes several of these strands.
- Environmental changes. Small adjustments to the home or classroom that reduce sensory stress or add helpful input. Examples include a quiet corner with a beanbag for regulation breaks at school, noise-reducing headphones for supermarket trips, a weighted lap pad during seated activities, or a seat cushion that allows small movements during table work.
- Sensory strategies through the day. A planned set of sensory activities spread across the child’s day, matched to their profile. This is sometimes called a sensory diet, which is a confusing name, because it has nothing to do with food. It means regular sensory input that helps the child stay settled for the things that matter: school, play, and sleep.
- Parent and teacher coaching. Much of the change happens between sessions, at home and at school. The therapist helps parents and teachers read the child’s sensory cues, know when to add input or reduce it, and support the child across the day. Plans only work when the adults around the child are part of them.
- Play-based skill building. For younger children, much of the work happens through play: obstacle courses, swinging, climbing, messy play, and fine motor games. The activities are chosen for their sensory load and the skills they build.
- More structured sensory integration therapy. Some approaches are more formal. Sensory integration therapy is a clinic-based, child-directed approach that uses carefully chosen sensory and movement activities to help a child respond more comfortably to everyday sensory experiences. The structured forms need specific clinician training. Your Occupational Therapist can talk through whether a particular approach suits your child.
The exact mix depends on the child, the family, and the goals. There is no single plan that fits every child. Good Occupational Therapy is the work of matching the strategies to the child in front of you.
A sensory diet has nothing to do with food. It is the input a child’s nervous system needs to stay settled for the things that matter.
04 · The evidence
What the evidence says about sensory interventions
Evidence on sensory processing interventions has built over several decades, mostly in autistic children. The evidence supports some approaches more strongly than others.
The strongest signal is for structured, individualised sensory integration therapy delivered by a trained Occupational Therapist. A 2014 randomised controlled trial found that autistic children aged four to eight who received a structured, manualised Occupational Therapy intervention made significantly larger gains on the functional goals their families had chosen, and needed less help with self-care and taking part socially, than children who had usual care. A 2011 pilot trial found larger gains on chosen functional goals from a sensory integration approach than from fine-motor activities.
Systematic reviews point the same way, with an important distinction. A 2015 review separated clinic-based sensory integration therapy from broader, ad-hoc sensory-based activities (such as a weighted vest used on its own) and found stronger evidence for the structured clinic-based approach. A 2019 review found that structured, manualised sensory integration intervention meets recognised criteria as an evidence-based practice for autistic children aged four to twelve. A 2015 review found moderate evidence for the structured approach and mixed evidence for ad-hoc sensory methods.
The picture is not settled. A 2020 commentary argued that more rigorous trials are still needed, and that the field should be careful to separate structured, trained approaches from the everyday use of sensory strategies. That is the practical takeaway: reasonable support for structured, individualised sensory integration therapy delivered by a trained clinician, weaker support for sensory activities used on their own. It is also why assessment comes before any plan. Knowing which strategies suit a particular child is the point.
05 · At Optimum Health Solutions
What to expect from an Occupational Therapy consultation
The process at Optimum Health Solutions usually runs through these stages.
- Referral and intake. A parent, GP, paediatrician, school, or NDIS support coordinator gets in touch. The admin team checks funding (NDIS plan, private health, or self-funded), books the first appointment, and sends through the intake paperwork.
- Initial assessment. The Occupational Therapist spends time with the child and the parents. This usually includes a parent interview, observation of the child during age-appropriate activities, and background information. Standardised questionnaires are sent home where useful.
- Parent debrief and plan. The therapist meets with the parents to explain what the assessment showed, what the goals could be, and what a plan might look like. Parents leave with a clear picture of the next steps.
- Intervention sessions. Sessions are matched to the goals. Some children come weekly for a block of sessions. Others have monthly check-ins while parents and teachers do most of the day-to-day work. The plan changes as the child progresses.
- Review. The therapist reviews progress against the agreed goals at set points, and adjusts the plan as the child grows, as the school environment changes, or as the family’s situation shifts.
Our Occupational Therapy team works with children across our clinics, and works alongside our Speech Pathology, Physiotherapy, and Behaviour Support teams when a child’s needs cross those areas.
Further reading
- Sensory processing and regulation looks at how children manage and settle their own responses to sensory input.
- Executive function approaches in Occupational Therapy covers planning, attention, and self-management strategies for school-age children.
- Exploring your child’s motor skills explains how Occupational Therapists look at fine and gross motor development.
- Mental health and Occupational Therapy looks at how Occupational Therapy supports mental health across the lifespan.
