what what is autism

AI Overviews: matched the NHS on everything we checked.

13 November 2026

Autism—often called autism spectrum disorder (ASD) —is a lifelong neurodevelopmental difference that affects how a person communicates, interacts with others, and experiences the world.123

What the "Spectrum" Means

  • Unique combinations: Autism is not a straight line from "mild" to "severe". Instead, it means each autistic person has a unique mix of strengths, challenges, and support needs.12
  • Support levels: Some autistic people live completely independently, while others need substantial, daily support.123
  • Lifelong identity: Autism is present from birth (or early childhood) and is an inherent part of a person's identity rather than an illness or disease.123

Core Characteristics

  • Social communication: Differences in how people converse, read non-verbal cues (like eye contact or body language), or build relationships.123
  • Routine and focus: A strong preference for routines, predictability, or deep, focused interests in specific topics.123
  • Sensory processing: Heightened or lowered sensitivity to lights, sounds, smells, tastes, or textures.123
  • Stimming: Using repetitive movements or sounds (such as hand-flapping, rocking, or pacing) to self-regulate, express joy, or cope with overstimulation.12

Common Co-Occurring Conditions

  • Many autistic people also experience conditions like ADHD, anxiety, depression, epilepsy, or specific learning differences like dyslexia.
  • Around a third of autistic people also have a general learning disability, though many have average or above-average intelligence.1234

You can learn more about clinical guidance and support options through the NHS Autism Guide or explore community perspectives at the National Autistic Society.12If you'd like to explore this further, let me know:

  • Are you looking for information on signs in children or adults?
  • Do you want to know more about the diagnostic process or support services?

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What we checked
Cited the NHS or an accredited sourceYes
Used UK termsYes
Named a UK charityYes
Said to check with a professionalNo

What the NHS says

The NHS page doesn’t give one clear answer to this, so it is checked on its sources and UK terms only.

Where it got this

Two of its ten sources are from outside the UK. It cited the NHS two times.

NHS websiteWhat is autism? - NHS
NHS
National Autistic SocietyWhat is autism? - National Autistic Society
Autism SpeaksAutism spectrum disorder (ASD) | Autism Speaks
YouTubeWhat is Autism? | APA
NHS websiteWhat is Autism?
NHS
Month by monthFirst asked in November 2026
MonthAI OverviewsAI ModeChatGPT
November 2026–––
About this questionA real Google search, about 27,100 a month in the UK
Where it came from
A real Google search, about 27,100 a month in the UK
Asked since
November 2026
Kind of question
Understanding it · What is this condition
Conditions
Autism
Typed as
A sentence, in everyday words
Question ID
Q0979.v1