What is autism?
Autism is a lifelong difference in how a person's brain works. It affects how someone experiences the world around them, how they communicate, and how they relate to other people.
Autism is not an illness or a disease, and it doesn't need to be "fixed". Being autistic means thinking and feeling in a different way — with real strengths as well as real challenges. When someone is described as autistic, this is what it means.
About 1 in 100
people in the UK are autistic.
Lifelong
Autistic children grow up to be autistic adults.
A spectrum
Every autistic person is different.
Not caused by parenting
or by vaccines. It's how a brain develops.
Figure from the National Autistic Society.
What does "spectrum" mean?
You may hear "autism spectrum". This doesn't mean a line from "a little bit autistic" to "very autistic". It's more like a mixing desk: every autistic person has their own mix of differences, strengths and needs — and that mix can change from day to day.
That's why there's a well-known saying in the autistic community: "If you've met one autistic person, you've met one autistic person."
Sam
Communication
Senses
Routine
Social
Focus
Leah
Communication
Senses
Routine
Social
Focus
An illustration only: two autistic people, two very different mixes.
What autism can look like
Not every autistic person experiences all of these, and everyone experiences them differently.
Communicating differently
Words may be taken literally, and jokes or sarcasm can be confusing. Some autistic people don't speak and use pictures, signs or a device instead.
What helps: Clear, simple words. Extra time to answer. Pictures.
Senses can feel stronger
Noises, bright lights, smells, textures or busy places can feel overwhelming. Some senses may feel weaker instead.
What helps: Quiet spaces, ear defenders, calm screens.
Routine feels safe
Knowing what will happen next helps a lot. Sudden changes can feel very stressful.
What helps: Visual timetables and a warning before changes.
Deep interests
Strong passions — like trains, space or animals — bring joy, calm and real expertise.
What helps: Use those interests to learn new things.
Social differences
Unwritten social rules can be confusing, and socialising can be tiring even when it's enjoyable.
What helps: Explain what's expected. Allow breaks.
Overwhelm and calming down
When everything gets too much, a person may have a meltdown or shut down. This is overwhelm, not bad behaviour. Many people stim — rock, flap or hum — to stay calm.
What helps: One thing at a time. A calm place to recover.
Autistic strengths
Autism isn't only about challenges. Many autistic people have strengths like these — though, again, everyone is different.
Noticing details
Spotting patterns
Deep knowledge
Honesty
Strong focus
Thinking in pictures
Explaining autism to a child
Children often understand pictures faster than words. Here's a simple picture story you can share.
- 1
Everybody's brain works in its own way.
- 2
Some sounds and lights can feel too big and too loud.
- 3
Knowing what comes next helps me feel calm.
- 4
Loving one thing a lot is a great thing!
- 5
Being different is okay. Everyone belongs.
Myths and facts
Myth: Autism is an illness that can be cured.
Fact: Autism is a lifelong difference, not a disease. The right support helps autistic people thrive.
Myth: Autistic people don't have feelings.
Fact: Autistic people feel deeply. They may show feelings — or read other people's — in different ways.
Myth: Bad parenting or vaccines cause autism.
Fact: Neither causes autism. Research shows it is strongly linked to genes and how the brain develops.
Myth: Only boys are autistic.
Fact: People of every gender are autistic. Girls are often diagnosed later because they may hide (mask) their differences.
Myth: If someone doesn't speak, they don't understand.
Fact: Many non-speaking autistic people understand a great deal and communicate in other ways.
Words matter
Many autistic people prefer to be called an autistic person, because autism is part of who they are. Some prefer person with autism. If you're not sure, ask — and follow the person's lead.
On this site we say "autistic", and we talk about differences and support needs rather than labels like "high-functioning" or "low-functioning".
How Adaptly AI uses this
Everything above shapes how we design learning for autistic learners.
Pictures first
Choices and lessons use pictures, so learners don't have to read to take part.
Built on interests
Maths with cars, science with dinosaurs — learning through what they already love.
Predictable steps
Learners always see where they are and what comes next.
Their own pace
No rushing. Shorter steps when needed, more depth when ready.
Calm design
Soft colours, minimal motion, no flashing and no countdown timers.
Learn more and get support
NHS — Autism
What autism is, signs, and how to get an assessment in the UK.
National Autistic Society
The UK's leading autism charity — guides for families, schools and autistic people.
Autistica
Autism research charity with clear, research-based explanations.
Adaptly AI is a learning-support tool. We don't diagnose or treat autism. If you think you or your child might be autistic, speak to your GP, health visitor or your school's SENCO.
Learning that fits autistic minds
Help us shape it. We're inviting families and educators to our early pilot programme.