Sensory processing disorder signs can look like refusal, defiance or attention-seeking. A child may flee a noisy room, refuse clothing, chew objects or crash into furniture because sensory input feels overwhelming or because they are seeking more input to feel organised. Behaviour and sensory processing are not competing explanations, however. Behaviour always has context and may serve several functions.
What sensory processing means
Sensory processing is how the nervous system notices, sorts and responds to information from sight, sound, touch, taste, smell, movement, body position and internal sensations. Children can be sensitive to some input and seek other input.
A strong preference is not automatically a disorder. Concern grows when sensory responses repeatedly restrict dressing, eating, sleep, school, play or family life.
Look at what happens before the behaviour
“He screamed” describes the visible event but not its function. Note the room, noise, clothing, hunger, fatigue, transition, instruction and social demand immediately before it. Then note what changed afterwards.
If leaving a noisy room consistently brings relief, overload may be involved. If the same behaviour appears when any limit is set and ends when a desired object is provided, goal-directed protest may contribute. Both can occur in the same child.
Common sensory patterns
- Sound: covering ears, fleeing hand dryers, making repetitive noise or turning volume high.
- Touch: distress with seams, hair care or light touch, or seeking strong hugs and pressure.
- Movement: avoiding swings and stairs, or constantly spinning, jumping and crashing.
- Oral input: gagging at textures, chewing clothing or putting non-food objects in the mouth.
- Visual input: distress in cluttered, bright spaces or fascination with lights and movement.
Keep a one-week pattern log
Record when and where an event occurred, the sensory and social demands, early signs, what the child did and what helped. Patterns across several examples are more informative than one difficult day.
Support first, teach when regulated
During overload, reduce input and language, protect safety and offer a familiar calm space. After recovery, teach communication, boundaries and coping. Accommodation does not mean removing every expectation. It means making participation possible before expecting learning.
Avoid generic “sensory diets” copied online. The American Occupational Therapy Association recommends documented assessment before sensory-based intervention because children with similar behaviour may need different support.
Safety comes first: sudden changes, pain, self-injury, eating risks or loss of skills require appropriate medical or developmental review, not a sensory explanation alone.
What an occupational therapist examines
An OT considers sensory patterns in relation to real activities, such as dressing, classroom participation and play. The goal is not to make a child tolerate everything. It is to improve safe, meaningful participation. Learn about sensory processing assessment and support.
Frequently Asked Questions
No. Sensory differences can occur with several developmental profiles or without an autism diagnosis. Autism assessment considers social communication and restricted or repetitive patterns too.
Yes. A child may avoid particular sounds while seeking movement or pressure. Responses can also change with fatigue, illness, stress and the surrounding environment.
A suitable accommodation reduces an access barrier. Boundaries and skills can still be taught, but children learn them more effectively when they are regulated and safe.
Consider assessment when sensory responses repeatedly interfere with dressing, eating, sleep, learning, play or community activities despite reasonable adjustments at home or school.
Understand the pattern behind the behaviour
An occupational therapy assessment can connect sensory observations with the daily activities your child finds difficult.
Explore Sensory Processing Support