Sensory overload
Sensory overload is when sound, light, touch and busyness add up until a child's brain cannot take any more. It can end in a meltdown, a shutdown, or tears that seem to come from nowhere.
Applies across the UK
A supermarket, a school corridor or an assembly can pour in more sensory Sensory Needs One of the eight Assembly Dimensions. It covers how your child takes in sound, touch, taste, smell and movement, and how they react to it. Read the full definition of Sensory Needs information than a child can process: noise, lights, smells, crowds, scratchy clothes. When it goes past what they can handle, the result can look like bad behaviour, panic or switching off, but it starts as a full cup overflowing.
A child who holds it together all day at school may fall apart the moment they get home, because home is where it is safe to let go.
What helps is reducing the input: somewhere quieter, ear defenders, a warning before busy places, and time to recover afterwards. Noticing the pattern of what overloads your child is genuinely useful evidence for school and for any assessment.
This everyday experience is different from Sensory Needs, which is our name for one of the eight areas the Assembly profiler asks about.
Related words
Where this comes from
- Sensory differences , National Autistic Society. Checked 2026-08-15.
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