Neurodivergent
Adaptive screening across 17 profiles
Find your neurodivergent profile
A 91-question adaptive screen covering seventeen forms of neurodivergence, from ADHD and autism to dyslexia, dyspraxia, OCD and alexithymia. It narrows as you answer. Scored instantly in your browser, with nothing sent to a server.
Start free testEducational screening only. This is not a medical diagnosis.
You have to get through a task that matters but doesn't interest you. What actually happens?
The test narrows as you answer, spending its questions where your profile actually points instead of asking everyone everything.
No account required. Scoring runs in your browser and your answers never leave the device.
A trait profile across seventeen areas rather than a single yes or no, in about 12 minutes.
What you get at the end
A profile across twelve trait areas, then a plain-language read on each of the seventeen conditions this test screens for. No single number, because a single number would not tell you much.
Example result, with made-up answers. Points near the outer edge mean more of those traits reported, not a percentile and not a comparison with other people. Yours will look different.
The screener above is a free neurodivergent test covering seventeen forms of neurodivergence in ninety-one questions. It takes about twelve minutes, needs no account and no email, and nothing you type leaves your browser. If you landed here typing am I neurodivergent into a search box, this page is written to give you a straight answer about what that question can and cannot be settled by a questionnaire.
Before the explanations, one thing worth saying plainly, because almost no site in this category will say it. A short self-report neurodivergent test is far better at telling you that something is unlikely than at telling you that something is present. That is not a flaw in this particular test; it is a property of all brief screening questionnaires, and the numbers behind it are in the section on what a screening result is worth. Read your result as a question worth asking, never as an answer you have received.
What is neurodivergent, and what does neurodivergent mean?
Neurodivergent describes a person whose brain processes information, attention, language, movement, emotion or sensory input in a way that differs from what is statistically typical. The word was coined within the autistic community in the late 1990s, grew out of the broader idea of neurodiversity, and spread outward from there into everyday use.
The most important fact about the neurodivergent definition is one that most pages skip: it is not a medical term. The Cleveland Clinic states it directly — neurodivergent “isn’t a medical term” and is not a diagnosis. No doctor can diagnose you as neurodivergent, because there is nothing there to diagnose. What a clinician can diagnose is a specific condition: ADHD, autism, dyslexia, OCD, a tic disorder, a developmental language disorder.
Neurodivergent is the umbrella those sit under. It is a social and descriptive word, not a clinical one, and that has two consequences worth holding on to. The first is that nobody polices the boundary, so different sources include different things. The second is that calling yourself neurodivergent is a statement about identity and self-understanding, which is a legitimate thing to be, but it is a different kind of statement from having a diagnosis.
Neurotypical vs neurodivergent
Neurotypical is the counterpart term: someone whose neurological development and functioning fall within the range a given society treats as standard. The neurotypical vs neurodivergent distinction is useful shorthand and misleading if taken too literally, for a reason worth understanding before you interpret any test result.
Traits do not come in two boxes. The characteristics measured by autism and ADHD questionnaires are distributed continuously across the whole population, closer to height than to blood type. Most people sit somewhere in the middle. A smaller number sit far enough toward one end that the traits start to cost them something, and that is where a clinical threshold gets drawn — not at a natural gap in the data, because there usually isn’t one.
This is why the neurotypical vs neurodivergent framing can mislead. There is no bright line you cross. There is a gradient, and a judgment about where on that gradient difficulties become significant enough to warrant a diagnosis and the support that comes with it.
How many types of neurodivergence are there?
Search this and you will find pages confidently announcing eleven types, others announcing thirteen, others seven. They cannot all be right, and in fact none of them is, because there is no agreed list and no authority that maintains one.
This is not a gap in anyone’s knowledge. It follows directly from the fact that neurodivergent is not a medical term. There is no diagnostic manual for it, no committee that votes items in and out. The Royal College of Speech and Language Therapists, a professional body, publishes a neurodivergence glossary that gives examples introduced with “e.g.” rather than a closed list, and includes entries such as alexithymia and misophonia alongside autism and ADHD. The Cleveland Clinic lists around fifteen conditions and says explicitly that others may also fall under the term.
So when a site tells you there are exactly eleven or exactly thirteen types of neurodivergence, what it is really telling you is how many it chose to describe. Below is the fullest honest treatment we can give: the conditions this neurodivergent test screens for, grouped by how well a questionnaire can actually assess them, plus the ones that belong under the umbrella but cannot be screened this way at all.
The types of neurodivergence, explained
Conditions this test screens with a full set of questions
ADHD
Attention-deficit/hyperactivity disorder affects the brain’s management of attention, impulse control and activity level. It is better understood as difficulty regulating attention than as a shortage of it: the same person who cannot start a dull task can lose nine hours to one that grips them.
Common signs include starting far more than you finish, time passing without registering, losing objects constantly, deciding on the spot and regretting it, and an emotional reaction to small frustrations that arrives faster and larger than you would like. ADHD persists into adulthood for most people diagnosed as children, and many adults are identified only after a child of theirs is assessed.
Autism
Autism is a developmental difference in social communication, in the need for predictability, and very often in sensory processing. The presentation varies enormously, which is why the word spectrum is used — though it means a range of profiles rather than a line from “a bit autistic” to “very autistic.”
In adults, autism frequently looks like exhaustion rather than obvious difference: conversations rehearsed in advance, unwritten social rules learned by deliberate observation rather than absorbed, a day flattened by an unexpected change, and sensory input that others filter out arriving at full volume. Women and people assigned female at birth are diagnosed later and less often, which is thought to reflect both camouflaging and diagnostic criteria built from studies of boys.
Dyslexia
A specific difficulty with reading and spelling that is unrelated to intelligence or effort. The core of it is phonological: breaking unfamiliar words into sounds and holding those sounds in order. Adults with dyslexia often read accurately but slowly, and pay for that accuracy with enormous effort.
Signs include re-reading lines without absorbing them, spelling the same word two ways on one page, avoiding reading aloud, and an inability to take notes while listening, because listening and writing cannot run at the same time.
Dyspraxia (Developmental Coordination Disorder)
A difficulty with planning and executing physical movement. It is not clumsiness in the casual sense but a problem with the sequence between intention and action, which is why learning any new physical skill takes far longer than it does for others.
Adults describe bruises they cannot account for, misjudging the space their body occupies, finding driving disproportionately hard, and being exhausted by physical tasks because of the concentration they demand rather than the effort.
Dyscalculia
The numerical counterpart to dyslexia: a specific difficulty with number sense, arithmetic and quantity. It is far less recognized than dyslexia and considerably more likely to go undiagnosed into adulthood.
It shows up as counting on fingers well into adult life, being unable to judge whether a price is reasonable, misreading clocks with hands, reversing digits when copying a number, and a genuine distress response when numbers appear unexpectedly.
Dysgraphia
A difficulty with the physical act of writing and with getting organized thought onto a page. Handwriting is uneven in size and slant, letters are formed inconsistently, and the hand cramps within minutes.
The part that is least visible from outside is the gap between the speed of thought and the speed of the hand. Ideas are lost while the previous sentence is still being written, so what reaches the page is a fraction of what was meant. Typing often closes that gap almost completely.
OCD
Obsessive-compulsive disorder is a cycle of two parts: intrusive thoughts that are unwanted and distressing, and actions — physical or mental — performed to neutralize them. The relief is real and short-lived, which is what keeps the cycle running.
OCD is routinely trivialized as a preference for tidiness. The clinical condition is nothing like that. It consumes time, it causes genuine distress, and people who have it usually know the fear is out of proportion, which does not help at all.
Tic disorders and Tourette’s
Involuntary repeated movements or sounds. Most people experience a premonitory urge beforehand, a building sensation that the tic releases, and can suppress tics briefly at the cost of total concentration.
Tics characteristically wax and wane over months, worsen with stress, tiredness and excitement, and begin in childhood. Tourette’s syndrome specifically requires both motor and vocal tics persisting over a year. The popular association with swearing describes a small minority.
Conditions this test screens more briefly
Alexithymia
Difficulty identifying and describing your own emotions. It is not an absence of feeling but an absence of access to it: the physical sensation arrives without a name attached, and is often mistaken for illness. It occurs across the population and is substantially more common in autistic people.
Misophonia
A strong, involuntary reaction — anger, panic, a physical surge — to specific sounds, typically ones made by other people: chewing, sniffing, tapping, repetitive breathing. It usually begins in childhood or early adolescence and tends to intensify. The anticipation is often as difficult as the sound.
Pathological Demand Avoidance (PDA)
A profile, most often described in relation to autism, in which demands of any kind trigger immediate resistance driven by anxiety rather than defiance — including demands the person set themselves and genuinely wants to meet. PDA is recognized in UK clinical practice and remains contested elsewhere, which is worth knowing before you use the label.
Auditory Processing Disorder
Hearing is intact; making sense of speech is not. Conversation in a noisy room becomes impossible, similar-sounding words are confused, and a day of meetings is exhausting in a way that is specifically about decoding. The most telling sign is a hearing test that came back entirely normal while the difficulty persisted.
Developmental Language Disorder (DLD)
A persistent difficulty with understanding and producing language that is not explained by another condition. DLD is thought to affect around seven percent of people and is strikingly under-recognized. Long sentences lose their thread, narratives come out in the wrong order, and words that should be available are not.
Conditions this test establishes as present or absent
Four of the seventeen are near-binary perceptual facts rather than things you can have a little of. The test asks about them directly and reports presence or absence — deliberately never a percentage, because “synesthesia: 23%” is not a meaningful statement about anything.
Synesthesia
Automatic crossover between senses: letters and numbers having fixed colors, sounds producing shapes, words carrying tastes. The associations are involuntary, consistent across a lifetime, and usually experienced as pleasant. It is strongly associated with exceptional memory for sequences.
Aphantasia
The absence of voluntary visual imagery. Asked to picture an apple, a person with aphantasia sees nothing at all — while knowing perfectly well what an apple looks like. It affects a small percentage of people, many of whom reach adulthood assuming “picture it in your mind” was a figure of speech.
Hyperlexia
Reading far earlier than expected, usually self-taught, typically alongside a relative difficulty with spoken language and social interaction. Decoding runs ahead of comprehension: the words are read fluently before their meaning is available.
Visual stress and Irlen syndrome
Discomfort and distortion when reading, particularly black text on bright white. Words appear to move or shimmer, patterns cause headaches, and tinted paper, colored overlays or a dark screen bring substantial relief. Its status as a distinct condition is debated; the experience of relief from color is not.
Under the umbrella, but not assessable by questionnaire
Several conditions regularly listed as forms of neurodivergence cannot be screened by a self-report test, and any site that offers to do so is selling you something. They are included here for completeness.
- Genetic and chromosomal conditions — Down syndrome, Williams syndrome, Prader-Willi syndrome, DiGeorge syndrome, Fragile X. These are diagnosed by genetic testing and physical examination.
- Intellectual disability — assessed through standardized cognitive testing and adaptive functioning measures, administered in person.
- Acquired brain injury — included by some definitions, since the term covers acquired as well as developmental difference.
- Bipolar disorder and other mood conditions — the test above does ask about mood and energy patterns, but reports them only as something to raise with a doctor, never as a named diagnosis. Screening for a serious psychiatric condition with a handful of questions is not something we are prepared to do.
Neurodivergent symptoms: what the common signs actually are
People search for neurodivergent symptoms expecting a checklist, so here is the honest version. There is no such list, because neurodivergent is not one condition. What exists is a set of domains where differences cluster, and the test above is organized around exactly these twelve.
| Area | What a difference looks like | Most associated with |
|---|---|---|
| Attention and focus | Cannot start dull tasks; loses hours to interesting ones; loses the thread mid-conversation | ADHD, auditory processing |
| Restlessness and impulse | Physical discomfort sitting still; speaking before deciding to; abandoning things rather than waiting | ADHD |
| Social communication | Rehearsing ordinary conversations; learning unwritten rules deliberately; exhaustion afterward | Autism, PDA, DLD |
| Routine and change | A changed plan derails the day; narrow and very deep interests; distress when things move | Autism, OCD |
| Sensory processing | Sounds, textures or light that others filter out arriving at full strength | Autism, ADHD, misophonia |
| Reading and text | Re-reading without absorbing; words shifting on the page; inconsistent spelling | Dyslexia, visual stress |
| Spoken language | Speech in noise impossible; words unavailable mid-sentence; processing arriving late | DLD, auditory processing |
| Writing | Illegible handwriting; cramping within minutes; ideas lost between thought and page | Dysgraphia, dyspraxia |
| Numbers | Counting on fingers as an adult; no sense of quantity; digits reversed when copied | Dyscalculia |
| Coordination | Unexplained bruises; misjudging space; new physical skills taking far longer | Dyspraxia |
| Intrusive thoughts | Unwanted thoughts that will not shift; checking that brings brief relief | OCD, tics |
| Emotion and self-awareness | Cannot name what you feel; missing hunger or tiredness until urgent; criticism that physically hurts | Alexithymia, ADHD, autism |
Every one of these also has ordinary explanations. That is the point of the next two sections.
Is ADHD neurodivergent?
Yes. ADHD is one of the two conditions most consistently included under the umbrella by every source that uses the term, alongside autism. It is a neurodevelopmental condition, it is lifelong, it is present from childhood, and it involves a brain that regulates attention, impulse and activity differently. On any definition of neurodivergent in circulation, ADHD qualifies.
Two caveats are worth adding. First, being neurodivergent is not a diagnosis, so “I’m neurodivergent” does not substitute for an ADHD assessment if you want treatment, accommodations at work or study, or a prescription. Second, ADHD symptoms overlap heavily with other explanations — poor sleep, chronic stress, depression, anxiety, thyroid problems and perimenopause all produce inattention. A proper assessment exists partly to work through that list.
Is anxiety neurodivergent?
This one has no settled answer, and anyone giving you a confident yes or no is overstating the case.
The argument against: anxiety disorders are mental health conditions rather than neurodevelopmental ones. They can appear at any point in life, they often respond well to therapy and medication, and they are not lifelong differences in how the brain is wired. On the narrower definition of neurodivergence — developmental, lifelong, present from childhood — anxiety does not fit.
The argument for: many definitions of neurodivergence already include conditions that are not neurodevelopmental, such as OCD and bipolar disorder. The Cleveland Clinic’s list includes social anxiety. The Royal College glossary treats neurodivergence as potentially “genetic or acquired,” which would admit anxiety. And anxiety is so frequently co-occurring with autism and ADHD that separating them in a given individual is often artificial.
Our position, for what it is worth: anxiety sits at the edge of the term and is better described on its own. It matters practically, because anxiety is highly treatable, and a person who concludes “I’m just neurodivergent” may not pursue treatment that would genuinely help. If anxiety is the dominant feature of your experience, that is worth addressing directly, whatever label is attached.
Neurodivergent vs autism: what is the difference?
This is one of the most common confusions in the whole topic, and it is simple to resolve. Neurodivergent is the umbrella. Autism is one condition underneath it.
Every autistic person is neurodivergent. Most neurodivergent people are not autistic — they have ADHD, dyslexia, dyspraxia, a tic disorder, or something else on the list above. The relationship is the same as between “fruit” and “apple.”
The confusion persists for a historical reason worth knowing: the neurodiversity concept originated within the autistic community in the 1990s, and autism remains the condition most closely associated with it. For a while the two words were used almost interchangeably in activist writing. They are not interchangeable now, and using them as though they were obscures the large number of neurodivergent people who are not autistic.
“Neurodivergent disorders” — is that the right phrase?
People search for neurodivergent disorders, so it is worth addressing the phrase. Strictly it is a contradiction. The vocabulary of neurodiversity was developed specifically to move away from framing these differences as disorders, and many neurodivergent people object to the word.
That said, the underlying conditions do carry formal diagnostic names, and most of those names contain “disorder” — attention-deficit/hyperactivity disorder, autism spectrum disorder, developmental coordination disorder, obsessive-compulsive disorder. The diagnostic manuals use it, clinicians use it, and it is what unlocks support in most systems. Both vocabularies are in use for good reasons, and it is reasonable to use the clinical term when dealing with clinical systems and the identity term when describing yourself.
How to take this test and get a result worth having
This matters more than people expect, because the biggest threat to a useful result is not the questions — it is how they get answered.
Answer for your whole life, not for this week
Everything screened here is developmental and lifelong. If you have been sleeping badly for three months, or you are in the middle of something difficult, answer as you have been for years rather than as you are right now. The test asks about onset at the end for exactly this reason.
Answer as you are, not as you manage
Many people have built elaborate systems that work. If you never lose your keys because you have three labeled hooks by the door and a rule you have followed for a decade, the honest answer is about what happens without the system, not what the system achieves.
Do not inflate, even slightly
This is the one worth being direct about. Neurodivergence has become an identity people want, and there is a real temptation to pick the more dramatic option because you know it moves the score. If you are reading an option thinking “that is not quite me, but it is nearly me, and it would be interesting if I scored higher” — that is the moment. Take the accurate one.
An inflated result is worthless twice over. It tells you nothing true, and if it sends you toward an assessment you do not need, you occupy a place in a queue that in many countries is now measured in years.
Do not overthink it either
First instinct is usually right. If you are constructing scenarios where an option might apply, the answer is probably no.
Is neurodivergence overdiagnosed?
Diagnoses of autism and ADHD have risen steeply over the past three decades, and this is genuinely contested territory. There are two serious positions and the honest answer involves both.
The case that it is not overdiagnosis: the rise is largely recognition catching up with reality. Diagnostic criteria broadened to include presentations that were always there, clinicians got better at identifying women and girls, and adults who were missed as children are now being assessed. On this reading we are not creating cases, we are finally counting them.
The case that something has gone wrong: diagnostic expansion has a limit, and the broader a category gets the more it includes people whose difficulties have other causes. Services designed for a smaller population are overwhelmed. And a substantial amount of what people now use to recognize themselves is simply inaccurate. In a 2025 study of the most-liked ADHD videos on TikTok, just over half were rated misleading by clinical raters, and misleading videos attracted significantly more engagement than accurate ones. Around 42% of sampled comments showed some form of self-identification with the content.
The problem with the questions themselves
There is a third issue, less discussed and more fixable, which concerns how these tests are written. A great many online screeners ask questions like:
- Do you dislike loud noises?
- Do you avoid touching dirty handrails?
- Do you find large social gatherings tiring?
- Do you prefer to have a routine?
Answer yes to all four and plenty of tests will tell you that you are showing neurodivergent traits. But the honest response is that these describe most of the population. Disliking loud noise is not sensory processing difference. Avoiding a dirty handrail is not OCD; it is basic hygiene. Finding a party tiring is not autism; it is introversion, or being thirty-five.
What separates a trait from a condition is not whether you have it but what it costs you. Compare:
| Ordinary | Clinically significant |
|---|---|
| Loud noise is unpleasant | You left a job because the open-plan office was unbearable |
| You would rather not touch a handrail | You cannot use public transport without washing afterward, and it adds twenty minutes to every journey |
| Parties are tiring | A social afternoon costs you the following day, and you cannot manage ordinary tasks |
| You like your routine | A changed plan ends the day, and you may stop functioning entirely |
Every option ladder in the test above is written so the top answer sits at the right-hand column, not the left. And the final questions ask directly how much each flagged area actually affects your life. If you report strong traits and almost no impact, the test says so — in those words. That result is common, it is honest, and almost no competing test is willing to give it, because it reads like a negative.
What a screening result is actually worth
This section is the one we would most like you to read, because it changes how every result on every site in this category should be interpreted.
A 2023 systematic review in the Journal of Attention Disorders examined the published validation data for adult ADHD rating scales and screening interviews. It found that negative predictive value was consistently above 96% — if the screener says you probably do not have ADHD, it is very likely right. Positive predictive value was a different story: the best figure in a clinical sample reached 61%, and most fell below 20%.
Read that again, because it is counterintuitive. Across most studied instruments, fewer than one in five people who screened positive turned out to have the condition on proper assessment. The authors’ conclusion was that clinicians cannot rely on these scales alone to diagnose ADHD.
These were validated instruments, used in clinical settings, often far longer than anything you will find online. A 2020 analysis of the ten-item Autism-Spectrum Quotient found internal reliability below the accepted threshold on every metric, and its authors cautioned against using it to measure autistic traits in the general population at all.
So what follows for an online am I neurodivergent quiz?
- A low score is informative. If a well-constructed screener finds little, that is meaningful evidence, and it is the thing these tools genuinely do well.
- A high score is a question, not a finding. It means this is worth investigating, nothing more. Most positive screens do not survive proper assessment.
- Overlap is the reason. Distinguishing ADHD from autism from both at once is difficult even with full-length instruments administered by clinicians. A questionnaire cannot resolve it.
- No online test diagnoses anything. Not this one, not any other.
How this test was built
Most tests in this category publish nothing about their method. We would rather be specific, so you can judge it.
- Ninety-one questions, allocated adaptively. The first fifty-two cover twelve trait domains that every person answers. The test then identifies the areas where your answers showed signal and spends thirty-two further questions written specifically for those conditions. A flagged condition is assessed on fourteen to fifteen questions rather than the five or six you get when a test divides its questions evenly across every condition it claims to cover.
- Conditions with no signal are not scored at all. They are listed as not examined, with an explanation. We would rather tell you we did not look than give you a percentage based on four questions.
- Around a third of questions are reverse-scored. The strongly-agree answer is not always in the same position. This makes the test resistant to answering on autopilot and lets it detect when that has happened.
- Impairment is assessed separately from traits. The final questions ask what each flagged area costs you. Traits and impact are reported as two different things, because they are.
- Onset is assessed. Everything here is lifelong. A pattern that started recently gets a note saying so, and pointing elsewhere.
- Age and gender do not change your score. Some tests adjust scoring by gender on the grounds that women are underdiagnosed. The underdiagnosis is real; adjusting the arithmetic is not the right response, because it means two people giving identical answers receive different results. We use that context in the interpretation instead.
- Nothing is stored or transmitted. Your answers stay in your browser. It is a free neurodivergent test with nothing behind a signup.
What we cannot claim: this test has not been validated against clinical diagnosis, because no multi-condition neurodivergence screener has been. Every validated instrument in the research literature assesses one condition at a time. Any site presenting an umbrella test as validated is misleading you.
Frequently asked questions
Is this a free neurodivergent test?
Yes. This is a free neurodivergent test with no charge, no account, no email capture and no upsell. This is a free neurodivergent test in the full sense of the phrase.
How long does it take?
About twelve minutes for ninety-one questions — longer than a typical am I neurodivergent quiz, because the questions are spent where your answers point rather than spread thinly across every condition. Your answers are kept as you go, so you can use the back button without losing them.
Am I neurodivergent if I score highly?
A high score means your answers resemble those of people with the condition in question, and that it may be worth pursuing. It does not mean you have it. The evidence on brief screeners is that most positive results do not survive proper assessment, which is why the question am I neurodivergent cannot be settled by any questionnaire, this one included.
What is the difference between a neurodivergent test and a diagnosis?
A neurodivergent test sorts people into “probably not worth pursuing” and “possibly worth pursuing.” A diagnosis is made by a qualified clinician using structured interviews, developmental history, often information from someone who knew you as a child, and consideration of everything else that could explain your difficulties. A neurodivergent test is the first thirty minutes of a process that takes months.
Can I be neurodivergent and undiagnosed?
People asking am I neurodivergent often already suspect the answer. Yes, and very many people are — particularly women, people diagnosed with anxiety or depression first, and anyone who was academically capable as a child. Late diagnosis in adulthood is common and increasingly well recognized.
Is self-diagnosis valid?
It is a genuinely contested question. The case for it: assessment is expensive and waiting lists are long, diagnostic criteria have historically missed whole groups, and self-identification can bring real relief and better self-management. The case against it: the conditions overlap heavily with each other and with treatable things like anxiety and sleep disorders, and a wrong self-diagnosis can stop you getting help that would work. Formal diagnosis is also what unlocks accommodations and treatment in most systems.
How accurate is an am I neurodivergent quiz?
Any am I neurodivergent quiz, including this one, is substantially better at ruling conditions out than ruling them in. Treat a low result as reasonably reliable and a high result as a reason to look further. That is true of every am I neurodivergent quiz on the web, whatever it claims.
What should I do with a high result?
If the test left you still asking am I neurodivergent, the next step is evidence rather than another questionnaire. Write down concrete examples of the difficulties, with specific situations rather than general statements, and take them to your doctor. Specifics are what move an assessment referral forward. If you can, bring information about your childhood — school reports, or a parent’s recollection — because developmental history is central to every one of these diagnoses.
Can children take this test?
No. It is written for adults, and the wording assumes adult life. Childhood presentations differ substantially. If you have concerns about a child, speak to their school and your doctor.
Does this test cover all types of neurodivergence?
It covers seventeen, plus mood and energy patterns, which is more than any comparable test we are aware of. It does not cover genetic conditions, intellectual disability or acquired brain injury, because none of those can be assessed by questionnaire.
Sources and further reading
Everything asserted above is traceable. These are the sources we relied on.
On what neurodivergence is
- Cleveland Clinic — Neurodivergent: what it is, symptoms and types. The source for the statement that neurodivergent is not a medical term, and for the broad condition list.
- Royal College of Speech and Language Therapists — Neurodivergence glossary. A professional body’s open-ended list, including alexithymia and misophonia.
- Wikipedia — Neurodiversity. Useful on the history of the term and the debate around it.
- WebMD — What is neurodiversity?
On what screening tests can and cannot do
- Harrison AG, Edwards MJ. The ability of self-report methods to accurately diagnose attention deficit hyperactivity disorder: a systematic review. Journal of Attention Disorders, 2023. Full text. The source of the positive and negative predictive value figures quoted above.
- Taylor EC, Livingston LA, Clutterbuck RA, Shah P. Psychometric concerns with the 10-item Autism-Spectrum Quotient (AQ10) as a measure of trait autism in the general population. Experimental Results, 2020. Cambridge Core.
- Pehlivanidis A, et al. Self-reported symptoms of ADHD, ASD and affective lability in discriminating adult ADHD, ASD and their co-occurrence. BMC Psychiatry, 2025. Full text. On how hard it is to separate these conditions even with full-length instruments.
On self-diagnosis and online information
- Sieferle K, Guidi T, Dorr F, Bitzer EM. Quality and perception of ADHD content on TikTok: cross-sectional study. JMIR Infodemiology, 2025. Full text. The source of the figure that just over half of the most-liked ADHD videos were rated misleading.
Searching the literature yourself
- PubMed — neurodiversity and adult autism screening.
- Google Scholar — neurodivergence screening validity.
Support and information
- National Autistic Society and Autistic Self Advocacy Network.
- CHADD — ADHD information and support.
- Understood — learning and thinking differences, including dyslexia, dyscalculia and dysgraphia.
- International OCD Foundation and Tourette Association of America.