Adult Autism for those who suspected later…

“Some of us were left behind…”

Many of us grew up before anyone was looking for us. The author of this page and the owner of AutisticOrNot was born in 1978, male, UK. This is right in the middle of the period where testing was rare, many were dismissed and the term wasn’t known at all in many social circles.

School reports said bright but difficult, sensitive, distracted, intense, shy, disruptive, anxious. Careers drifted or stalled for reasons nobody could quite explain. Relationships were confusing. Everyday life took far more effort than it seemed to for other people. Yet because we spoke well enough, coped just enough, or learned to copy the people around us, we passed through childhood without being recognised.

The system was not designed for adults who learned to survive by adaptation. Diagnosis pathways still TODAY focus on children, clear presentations, and tidy histories. Real lives are rarely tidy. By the time many of us began asking questions, we had jobs, partners, families and responsibilities, but no language for why ordinary things felt exhausting or overwhelming and always had.

This space exists for people who suspect they were missed. And there are so many of us.

AutisticOrNot and this section were created by autistic adults who have lived decades without a framework, then slowly built one. We are not here to label anyone or replace clinical care. We are here to help you reflect, understand patterns, and decide what fits your experience. That’s your right and something we wish we had back then. If nothing ever quite made sense, you are not alone, and you are not imagining it.

This page has been reviewed by autistic adults.

Sometimes it’s not just anxiety…

 

Some were the children who did well on paper. They read early, memorised facts, followed rules, and rarely caused disruption. Teachers described them as mature or self contained. What was not seen was the cost. Lunchtimes spent alone, scripts prepared before conversations, panic at small changes, and exhaustion after holding it together all day. As adults they often become competent professionals who cope publicly and collapse privately, wondering why life feels like constant translation.

Others were the social ones. Chatty, friendly, even funny. They learned people by observation rather than instinct, building personalities from borrowed pieces. Because they could talk, nobody looked further. Yet friendships felt fragile, misunderstandings repeated, and burnout arrived early in careers that depended on reading a room they never truly read. Many were told they were too sensitive, dramatic, or overthinking, and learned to apologise for reactions they did not understand.

Then there were those labelled difficult. The anxious child, the defiant teenager, the adult cycling through jobs or relationships. They were treated for behaviour, mood, or motivation, rarely for processing. Noise hurt, plans changed without warning, and demand felt like threat. Support focused on fixing attitude rather than recognising difference. Decades later, many are still searching for an explanation that fits better than every label they were given before.

Adult Autism Information

What does NOT cause autism: It is equally important to be clear about what does not cause autism. Scientific studies have consistently shown that:

  • Vaccines do not cause autism. This idea has been thoroughly disproven and is considered harmful misinformation. Sorry Mr Trump but this is a dangerous suggestion that belongs in the past.

  • Parenting does not cause autism. In the past, some believed “cold” or “refrigerator mothers” were responsible, but this theory has been rejected completely.

  • Trauma does not cause autism. Trauma can create behaviours that look similar to autism in some areas, but autism itself is a neurodevelopmental difference present from early life.

Are there affordable alternatives to autism clinic testing in the United Kingdom or USA?

Clinical assessment by a qualified multidisciplinary team remains the gold standard for diagnosing autism in the United Kingdom. It typically involves detailed developmental history, structured interviews, observation, and the use of validated diagnostic instruments. However, waiting lists can be long (sometimes years for the NHS in the UK, especially for adults) and private assessments can be expensive, which leads some people to explore alternatives before committing to a full clinical pathway. For children however, they are the best route.

AutisticOrNot offers one such alternative for adults at £19 (or US Dollar equivalent). The online tool is built on the same foundational science that underpins established screening instruments, and it adds structured lived experience research from its own autistic adult team. The process takes around 2 hrs. It is not intended to provide certification or a medical diagnosis. For many adults who are already established in their careers or beyond their formal education years, formal certification may not be necessary. For some, it is a conscious choice not to pursue diagnosis. For others, a structured reflection like AutisticOrNot can be a meaningful first step before deciding whether to take the clinical route. The report includes a reflection of traits alongside annotation and guidance for every participant. Reviews of AutisticOrNot are available here.

Other lower cost options in the UK include freely available questionnaires such as the AQ-10 and similar online screening tools. These can be useful starting points, but they are often limited in depth (most being 15 or 20 questions) and do not provide the kind of structured narrative feedback and notes that AutisticOrNot includes. Some are also used or sponsored by clinics as part of an access pathway into paid assessment. While these tools cannot replace a comprehensive clinical evaluation, they can help individuals clarify their thinking and decide what level of support, if any, they wish to pursue next.

Information on NHS (UK) autism testing is available at https://www.nhs.uk/conditions/autism/getting-diagnosed/how-to-get-diagnosed/

Guide for employers, colleagues and investors seeking to support autistic talent and employees

The modern world is only just catching up to recognise the incredible contribution of autistic adults to our economy, society and community. Read our guide intended to help those employers and bosses who have been introduced to an autistic talent at work.

For those left behind.

Today’s world is incredibly hard for those adults missed by autism diagnosis opportunities. We’re doing our part to help.

Living as autistic adults in the modern world…

Further help

Trauma & Mental Health

Autism is not the only explanation for feeling different for a long time. Post-Traumatic Stress Disorder (PTSD) can create lifelong patterns that mimic parts of autism. Both can involve social withdrawal, sensitivity to sound or crowds, and reliance on routines for safety. Unlike autism, PTSD traits usually follow specific traumatic experiences, and symptoms often change over time. Dissociation is another response to trauma where people feel detached from themselves or their surroundings. It can resemble autism in sections such as Social Communication (difficulty connecting), Sensory (numbness or altered perception), or Camouflaging (hiding distress). The difference is that dissociation is a protective state the mind uses after trauma, rather than a lifelong neurodevelopmental pattern.

Autism and ADHD also often overlap. Many people are diagnosed with both, and some traits can look similar, such as difficulty focusing, social timing issues, or problems with organisation. Our test does not measure ADHD directly, but if your results suggest strong differences in areas like executive function or focus, ADHD may be worth exploring alongside autism.

Mental Health Support

Mind UK
National mental health charity with resources on trauma, anxiety, and co-occurring conditions.
https://www.mind.org.uk

Substance Abuse and Mental Health Services Administration (SAMHSA)
Provides U.S. resources and treatment locators for trauma and mental health.
https://www.samhsa.gov

Sidran Institute
Specialises in trauma, PTSD, and dissociation education and resources.
https://www.sidran.org

If you or anyone you know are in need of medical attention, please call emergency services immediately. This website is not a replacement for medical advice of any sort.

Autism Support Charities

National Autistic Society
The UK’s leading autism charity, offering information, helplines, and services for both children and adults.
https://www.autism.org.uk

Autism Alliance UK
A network of autism charities providing local and specialist support across the country.
https://www.autism-alliance.org.uk

Ambitious about Autism
Supports autistic children and young people through education, services, and advocacy.
https://www.ambitiousaboutautism.org.uk

Autism Independent UK
Provides advice and resources for autistic adults and their families.
https://www.autismuk.com

Autism Society of America
A long-standing nonprofit providing nationwide services, resources, and community support.
https://autismsociety.org