Hyperfixation vs Special Interest: What the Evidence Says

Search the research literature for “hyperfixation” and you get 26 papers. Every single one is about radioactive tracers lighting up on a body scan. Not one is about attention.

If you have spent any time in neurodivergent corners of TikTok, Reddit or Instagram, you already know the rule. A hyperfixation is the interest that hits you like weather, consumes three weeks of your life, and then vanishes. A special interest is the one you have carried since you were nine and will still have when you are ninety. Hyperfixation belongs to ADHD; special interests belong to autism. It is tidy, it is repeated on almost every page that ranks for the question, and it feels true to a great many people.

It is also, as a piece of science, almost entirely unsupported. One of those two terms comes straight out of the diagnostic manual and has been studied for decades. The other has never appeared in a psychology paper in the sense that people now use it. That does not make the second word useless, and it certainly does not mean the experience it names is imaginary. But it does mean that when a website tells you a hyperfixation lasts “a few days to a few months”, nobody has counted. The number came from somewhere else entirely.

This guide separates what the evidence actually supports from what the internet has agreed to say. It covers where each word came from, what researchers measure instead, why the distinction between them is blurrier than the comparison tables suggest, and how to think about your own intense interests without needing a label to be correct first. If you are still working out the wider vocabulary, our complete guide to neurodiversity sets out the terms, and ADHD vs autism vs dyslexia covers how the profiles overlap and differ.

What Is the Difference Between Hyperfixation and a Special Interest?

The difference between hyperfixation and a special interest is mostly a difference in where the two words came from, not a difference that research has established between two separate states. A special interest is a clinical and research term describing an intense, enduring, often identity-defining interest that forms part of how autism is diagnosed. Hyperfixation is a community term, invented and spread by neurodivergent people online, describing a burst of consuming focus that arrives quickly and usually fades.

In everyday use, people apply the two words as follows.

That table is worth reading twice, because the two most important rows are the ones people skip. Only one of these terms has a research base, and only one appears in a diagnostic manual. Everything in the other column is a description that a community arrived at collectively and that scientists have not tested. It may well turn out to be accurate. At the moment it is simply untested, and the confident duration figures you will find elsewhere have no study behind them.

There is a second complication. The two categories are not mutually exclusive, and plenty of people experience both at once: a lifelong special interest that occasionally flares into something that swallows a fortnight. If you are trying to work out where you sit, our self-assessment guide to neurodivergence is a better starting point than trying to force one interest into one box.

What Is a Special Interest?

A special interest is an intense, focused and usually long-lasting interest in a particular subject, and it is one of the features clinicians look for when diagnosing autism. The current diagnostic manual, DSM-5-TR, lists highly restricted and fixated interests that are unusual in their intensity or their focus as one of four possible behaviours under criterion B, the section on restricted and repetitive patterns (American Psychiatric Association, 2022). A person does not need to have one to be autistic. It is one route to meeting the criterion, not a requirement.

In research papers the term you will more often see is circumscribed interests. Turner-Brown and colleagues (2011) built the first proper quantitative measures of them, comparing 50 autistic children with 50 typically developing children matched for age, IQ and gender. Their result is more interesting than the stereotype suggests. The two groups did not differ in how many interests the children held. They differed in what the interests were about and in how much disruption came with them: autistic children’s interests were more likely to be non-social in content, such as mechanical systems, and parents reported more interference with family life.

Special Interests Are Not One Thing

Special interests vary enormously between people, and a large study has now put numbers on that variation. Spackman and colleagues (2023) applied latent profile analysis to 1,892 autistic young people and found three distinct groups rather than one uniform pattern: a low circumscribed interests group, a group whose interests were intense but otherwise ordinary in topic, and a group whose interests centred on topics that are unusual outside autism. Roughly speaking, intensity and unusualness are separate dials, and people sit at different settings on each.

The content is also far less exotic than the trains-and-timetables cliche implies. When Grove and colleagues (2018) surveyed autistic adults, about two thirds reported having a special interest, and the most common topics were computers, autism itself, music, nature and gardening. Most people reported more than one. The idea that a special interest is always a single narrow subject does not survive contact with the data.

What Special Interests Do for People

Special interests serve real psychological functions, and the research on motivation makes this concrete. Grove, Roth and Hoekstra (2016) built the Special Interest Motivation Scale by asking autistic adults, relatives and general population controls why they engage with their interests, rather than asking parents to guess. The motivations that emerged included engagement and flow, personal identity, achievement, and managing negative states. Those are recognisable, ordinary human reasons for caring about something, which is why the older clinical framing of these interests as purely a symptom to be reduced has aged badly.

That finding also connects intense interest to the wider psychology of motivation and what drives sustained effort. A special interest is not a malfunction of the motivation system. It is that system working unusually hard in one direction.

What Is Hyperfixation, and Is It a Real Term?

Hyperfixation, as people use the word today, means a period of intense, absorbing, hard-to-interrupt focus on a specific subject, activity, person or even food. It is a real experience with a genuinely useful name. It is not, however, a clinical term, and it has no research literature under that name.

This is easy to check rather than take on trust. Europe PMC indexes roughly 45 million articles across the life sciences. A title search for the word hyperfixation returns 26 papers. Every one of them is nuclear medicine: radiotracers concentrating in bone, iodine uptake in a thyroid gland, technetium lighting up an area of brain after a stroke. Widen the search to abstracts and the count rises to 137, and the picture does not change. Hyperfixation, in the published scientific record, is a word about scans.

So where did the attention meaning come from? It grew inside online neurodivergent communities, spreading through forums, Tumblr, Reddit and eventually TikTok, as people reached for a word that described something the clinical vocabulary was not describing well. That is a perfectly respectable origin. A great deal of useful language about neurodivergence has come from neurodivergent people rather than from clinicians, and masking is a good example of a community-developed concept that research later took seriously.

Why the Source Matters Here

The source matters because of how confidently the surrounding claims are stated. Yeung, Ng and Abi-Jaoude (2022) analysed the 100 most popular ADHD videos on TikTok and had clinicians rate them. Fifty-two per cent were classified as misleading, 27 per cent as personal experience and only 21 per cent as useful. The videos scored well on being easy to understand and poorly on being something you could actually act on. Most of the misleading ones came from creators who were not healthcare providers.

That is not an argument for ignoring what neurodivergent people say about their own minds, which would be both rude and unscientific. It is an argument for noticing when a description has quietly hardened into a claim. “Many of us experience short, intense interests that fade” is a description. “Hyperfixations last days to months, special interests last years” is a claim, and nobody has produced the data.

Hyperfixation vs Hyperfocus: What Researchers Actually Study

Hyperfocus is the term researchers use for the state hyperfixation is usually describing, and unlike hyperfixation it has been measured. Ashinoff and Abu-Akel (2021) reviewed the field in Psychological Research and described hyperfocus as complete absorption in a task to the point where a person appears to tune everything else out. Their review is blunt about the state of the science: hyperfocus is discussed constantly in the context of autism, ADHD and schizophrenia, and yet it is poorly defined, often left undefined entirely, and has no agreed criteria.

The useful distinction is this. Hyperfixation describes the interest. Hyperfocus describes the attentional state. You can hyperfocus on a tax return you hate. You do not hyperfixate on one.

What the Hyperfocus Studies Found

Three findings from the hyperfocus literature reshape the popular picture.

It is associated with ADHD, but it is not exclusive to it. Hupfeld, Abagis and Shah (2019) built an Adult Hyperfocus Questionnaire and tested it on a pilot sample of 251 adults and a replication sample of 372. People with higher ADHD symptom levels reported more frequent hyperfocus across school, hobbies and screen time. Groen and colleagues (2020) found the same correlation in a non-clinical sample of 1,124 adults, meaning hyperfocus tracks ADHD traits across the general population rather than switching on at a diagnostic threshold.

It is not only an ADHD phenomenon. Dupuis and colleagues (2022) examined 5,744 children and young people in a community sample, including 131 with an autism diagnosis and 346 with an ADHD diagnosis. Attentional strengths appeared in both groups. The authors make a pointed observation about language: when typically developing people show deep absorption it gets called flow and treated as a gift, and when autistic people show it the same behaviour gets called hyperfocus and treated as a problem.

It may be an executive function story. Garcia Pimenta and colleagues (2024) surveyed 380 university students and found that difficulties with executive function partially mediated the relationship between ADHD symptoms and hyperfocus. In other words, some of the link between ADHD and getting stuck in an activity runs through the machinery that lets you switch tasks and hold a plan in mind. Our guides to executive function skills for neurodivergent adults and to how executive function develops cover that machinery in detail.

A caution on all three: these are self-report questionnaires. Dwyer and colleagues (2025) tested whether questionnaire answers about hyperfocus line up with laboratory measures of attention, using psychoacoustic tasks, visual working memory tasks and event-related brain potentials with 18 autistic and 22 comparison adolescents. The convergence was limited. What people say about their own attention and what shows up on a laboratory task do not map neatly onto each other, which is a reason to hold every confident claim in this area loosely.

How Long Does a Hyperfixation Last?

Nobody knows how long a hyperfixation lasts, because no study has ever measured it. The figures you will see quoted, usually a few days to a few months, are not research findings. They are a community rule of thumb that has been copied between websites until it acquired the confident tone of a statistic.

This is the single most searched question on the topic and the one where the gap between what is claimed and what is known is widest. The honest answer has three parts.

1. Nobody has counted. There is no published study tracking the duration of intense interests over time in either autistic or ADHD populations. The duration claim has no source.
2. Duration varies wildly between people and between interests. Spackman and colleagues (2023) showed that even within autism there are at least three distinct interest profiles. Any single number would be an average across profiles that are genuinely different.
3. The same interest can do both. Many people describe an interest that has been with them for twenty years and that periodically flares into weeks of near-total absorption. That pattern fits neither column of the comparison table.

If a website gives you a number, the useful question is where they got it. So far, the answer has always been another website.

Is It a Hyperfixation or a Special Interest? Take the Quiz

The tool below will not tell you whether you are autistic, whether you have ADHD, or which label is correct, because no validated instrument exists that can do any of those things for this distinction. What it will do is something more modest and more useful: separate out the two patterns that get muddled together, so you can see which parts of your own experience belong to which.

Hold one specific interest in mind, then answer all ten questions about that interest.

If your answers put you in the fourth row, the “both together” one, you are in good company and you have found the real limitation of the popular comparison. The two descriptions were never built as mutually exclusive categories. They were built as two ways of talking about interest, and a single person can need both.

Is Hyperfixation a Sign of ADHD or Autism?

Intense absorbed focus occurs in ADHD, in autism and in people with neither, so on its own it is not a sign of either condition. The pattern is real and it is more common in some groups than others, but it is nowhere near specific enough to work as an indicator.

The evidence supports a graded picture rather than a yes-or-no one. Groen and colleagues (2020) correlated hyperfocus scores with ADHD ratings in 1,124 adults with no ADHD diagnosis and found the association held across that ordinary population. Hyperfocus is not a switch that flips at the diagnostic threshold; it is a dimension that everyone sits somewhere on. Dupuis and colleagues (2022) then found attentional strengths in both autistic and ADHD groups within a community sample of 5,744 young people, which rules out any clean split along diagnostic lines.

The apparent association with ADHD is also partly a naming artefact. Researchers noticed the paradox first: why would a condition defined by distractibility produce episodes of extraordinary sustained attention? That question made hyperfocus interesting to ADHD researchers and drew the term into ADHD literature. Absorbed focus in people without a diagnosis had already been studied for decades under a different and much more flattering name, flow. Ashinoff and Abu-Akel’s review makes the point directly: the same underlying state has been given different names and different moral weightings depending on who is doing it.

If you are trying to make sense of a wider pattern rather than one behaviour, the useful move is to look at the whole picture rather than the interest alone. Our guide to recognising neurodivergence in adults sets out what that fuller picture involves.

Monotropism: The Autistic Account of Attention

Monotropism is a theory that autism is fundamentally about how attention is distributed rather than about social deficits, and it offers the most coherent explanation of intense interests that anyone has yet produced. It was developed by autistic people, which is unusual for a theory in this field and is one reason it is worth taking seriously.

Murray, Lesser and Lawson (2005) set out the account in the journal Autism. Their proposal is that autistic minds tend to pour a large share of available attention into a small number of interests at any one time, where non-autistic minds spread attention more thinly across more channels. From that single starting point, they argue, the other diagnostic features follow. If almost all of your attention is inside one channel, then being pulled out of it is genuinely disorienting, which looks like a need for sameness. Social interaction demands rapid attention-switching across many channels at once, which becomes expensive.

Notice what this does to the original question. In a monotropic account, a special interest is not a symptom sitting alongside other symptoms. It is the visible surface of how attention is organised, and the intensity is the point rather than the problem.

How Well Does Monotropism Hold Up?

Monotropism is a promising theory with a thin evidence base, and honesty requires saying both halves. It is intuitively powerful, widely adopted in autistic communities, and increasingly cited in research, but direct experimental tests are few. Dwyer and colleagues (2025) ran one of the first, combining self-report and caregiver-report measures with laboratory attention tasks and event-related brain potentials in 18 autistic and 22 comparison adolescents. Their headline finding was limited convergence: the questionnaire measures and the laboratory measures did not agree with each other well.

That result does not refute monotropism. Small samples and the difficulty of capturing a real-world attentional style in a laboratory both cut against finding an effect. What it does mean is that anyone presenting monotropism as established fact is running ahead of the evidence, in the same way as anyone presenting hyperfixation duration as established fact.

Hyperfixation on a Person: Why It Feels Different

Hyperfixating on a person means directing that intense, consuming focus at another human being rather than at a subject, and it is one of the most searched versions of the experience. There is no research on it under that name. What there is instead is a set of adjacent findings that make the experience easier to understand.

Three things change when the focus lands on a person rather than a topic.

• The subject can respond. A topic cannot reciprocate, withdraw or disappoint. A person can do all three, which makes the emotional stakes far higher and the crash far harder.
• Reading it is difficult. The internal experience of intense focus on someone overlaps heavily with infatuation, with a new close friendship and with limerence. Sorting one from another from the inside is genuinely hard, and no questionnaire will do it for you.
• The consequences land on someone else. An interest in geology affects nobody. Frequent messaging, constant checking or an intensity of attention the other person has not asked for does.

The practical test is not whether the feeling is intense. It is whether the other person has consented to the intensity, and whether you could step back if they asked. Our guide to dating and relationships as a neurodivergent person covers how to talk about intensity early rather than after it has become a problem. If the focus comes with persistent worry, checking or distress, our guide to the types of anxiety may describe what is going on more accurately than the language of interests does.

Why Special Interests Get Missed in Women and Girls

Special interests in women and girls are frequently missed because the diagnostic stereotype is built around unusual topics, and women’s interests tend to be intense in ordinary areas. Intensity is the diagnostic feature. Strangeness of subject is not, and yet strangeness is what people look for.

Harrop and colleagues (2018) tested this with eye tracking, showing primary-school-aged children arrays of male-typed, female-typed and neutral images and measuring where their attention went. Both autistic and non-autistic children looked longest at images matching interests typically associated with their own sex. Autistic girls attended to gender-typical images much as non-autistic girls did. The study found no support for the idea that autism pushes interests in a uniformly masculine direction.

The consequence is straightforward. An eleven-year-old boy with an encyclopaedic knowledge of aircraft registrations gets noticed. An eleven-year-old girl with an equally encyclopaedic knowledge of a pop group, a book series or a set of horse breeds is described as a fan, and the intensity is read as ordinary enthusiasm. Grove and colleagues (2018) found the same reporting gap in adults, with relatively more autistic men than autistic women reporting having a special interest at all, which may reflect what gets counted as much as what exists.

This interacts with masking, since an interest that looks socially acceptable is one there is no pressure to hide, and an interest that is hidden is one nobody can observe. For parents and practitioners trying to see past the topic to the pattern, our guide to neurodivergent children covers what to watch for.

Special Interest, Hobby or Obsession: Where the Lines Sit

A hobby is something you do, a special interest is something you are organised around, and an obsession in the clinical sense is something you do not want and cannot stop. Those are three genuinely different things, and only the third one belongs to the language of disorder.

The row that does most of the work is the second one. Clinical obsessions are ego-dystonic, meaning they feel alien and unwanted, and the compulsions that follow are performed to reduce distress rather than because the person wants to perform them. Special interests are the opposite: they are wanted, they are usually pleasurable, and Grove, Roth and Hoekstra (2016) found people engage with them for identity, achievement and flow. Two experiences can both be described as “I think about this constantly” and still be nothing alike underneath. Only a qualified clinician can make that call, and it is a distinction worth taking to one rather than settling online.

When Does an Intense Interest Become a Problem?

An intense interest becomes a problem when it costs you something you care about more, and not before. Intensity by itself is not a problem, and the older habit of treating any strong interest as a symptom to be reduced has not aged well.

Grove and colleagues (2018) found no difference in subjective wellbeing between autistic adults who had a special interest and those who did not, which is an awkward result for anyone arguing that these interests are intrinsically harmful. Spackman and colleagues (2023) likewise found that interest profiles differed in content and intensity without one profile being simply worse than the others. Turner-Brown and colleagues (2011) did find that parents reported more functional impairment around autistic children’s interests, but impairment is about consequences, not about intensity itself.

The questions worth asking are therefore about cost rather than about degree.

• Is it displacing sleep, food or medication often enough that your body is paying for it?
• Is it costing relationships you would otherwise want to keep?
• Is it costing money you cannot spare?
• Is it affecting someone who has not agreed to be affected?
• Is stopping making you distressed rather than merely reluctant?

“It is unusual” and “other people find it odd” are not on that list, and deliberately so.

The Inertia Problem

Getting stuck in an interest and struggling to start anything else may be one problem rather than two. Buckle and colleagues (2021) ran the first study of autistic inertia, working with 32 autistic adults across six focus groups in a study led by an autistic researcher. Participants described real difficulty acting on their own intentions, in both directions: difficulty starting things they wanted to do, and difficulty stopping things they were already doing.

That reframes the common complaint about hyperfixation. The trouble may not be that the interest is too compelling. It may be that transitions are expensive whichever way they run, which is a very different problem with very different solutions. It also connects to the wider picture in our guide to executive function for neurodivergent adults.

Living Well With an Intense Interest

Most people asking about hyperfixation and special interests are not looking for a diagnosis. They are looking for permission, or for a way to keep the good parts without the costs. The research supports a few practical positions.

1. Treat the interest as an asset first. Grove, Roth and Hoekstra (2016) found achievement and identity among the core motivations for special interests. Depth of knowledge in one area is a genuine advantage, and our career guide for neurodivergent professionals covers how to turn one into work.
2. Protect the boring essentials rather than limiting the interest. External scaffolding for meals, sleep and medication costs far less than trying to want the interest less, and it targets the actual harm.
3. Build transitions in rather than relying on willpower. If inertia runs in both directions, as Buckle and colleagues (2021) describe, then alarms, a person who checks in, or a fixed stopping ritual will do more than resolve ever did.
4. Tell the people close to you what it looks like. A partner who knows that three silent weeks on a new subject is a pattern rather than a withdrawal will read it correctly.
5. Find people who share it. Grove and colleagues (2018) found computers, music and nature among the most common topics, which means company is usually available. Our guide to finding your neurodivergent community covers how to look.
6. Take real distress to a professional. If the focus comes with persistent low mood or anxiety, that is worth proper attention, and our guide to neurodivergent mental health is a starting point rather than a substitute for one.

Conclusion

The distinction between hyperfixation and a special interest is real as a description and unproven as a finding. One term comes from the diagnostic manual and carries decades of research behind it under the name circumscribed interests. The other was built by neurodivergent people to name something the clinical vocabulary was missing, and it has never been studied under that name at all. The confident duration figures that circulate online have no study behind them, because nobody has counted.

What is well established is that deep, absorbed, hard-to-interrupt focus is common, that it appears in autistic people, in people with ADHD and in people who are neither, and that its effects depend far more on consequences than on intensity. The interest that has shaped your life for twenty years and the one that consumed last February can both be yours, and neither needs to win the argument for your experience to be real.

Frequently Asked Questions

What does hyperfixation mean?

Hyperfixation means being gripped by one subject, activity, person or even food so completely that everything else fades into the background for a while. The word is used widely by neurodivergent people to describe an experience that clinical language had no good name for. It is not a diagnosis, it appears in no diagnostic manual, and clinicians will not generally use it with you.

How long does a hyperfixation last?

There is no established answer, because no study has ever tracked it. Websites that quote a range of a few days to a few months are repeating a rule of thumb that circulated online, not reporting a measurement. People’s own accounts range from an afternoon to several years, and the same person can experience both extremes with different subjects.

Is hyperfixation a medical term?

No. In medicine, hyperfixation refers to a radioactive tracer concentrating in one area during a scan, which is why searching medical databases for the word returns bone scans and thyroid studies rather than anything about attention. The attention-related meaning is community vocabulary. That does not make it wrong or useless, but it does mean you will not find it in DSM-5-TR or ICD-11.

Is hyperfixation a symptom of ADHD or autism?

Neither, on its own. Researchers studying the equivalent state, which they call hyperfocus, find it more frequently in people with higher ADHD trait levels, and also find it in autistic people and in people with no diagnosis of any kind. One experience cannot indicate a condition when it occurs across all three groups. Diagnosis depends on a whole developmental picture assessed by a qualified professional.

What is the difference between hyperfixation and hyperfocus?

Hyperfocus names a state of attention; hyperfixation names the thing your attention is stuck on. You can hyperfocus on tasks you actively dislike, such as a spreadsheet you need to finish, because hyperfocus is about depth of absorption rather than affection for the subject. Hyperfixation carries an implication that you are drawn to the subject. Hyperfocus also has research behind it, and hyperfixation does not.

Can you have a special interest without being autistic?

Yes. Intense, long-lasting interests occur throughout the general population, and studies comparing autistic and non-autistic participants often find similar numbers of interests in both groups, differing in topic and in impact rather than in existence. What makes an interest diagnostically relevant in autism is the combination of unusual intensity or focus with the rest of the profile, never the interest by itself.

Can you have a special interest and a hyperfixation at the same time?

Yes, and many people describe exactly that. A subject you have carried since childhood can suddenly demand every waking hour for a fortnight, and a brand new obsession can sit alongside it without either one cancelling the other out. The two terms were never designed as opposites; they describe different features of interest, so both can apply at once.

Why do I hyperfixate on people?

People are unusually rewarding subjects: they change, respond and surprise you, so the interest keeps being fed in a way a static topic cannot manage. No research exists on this specifically. The signals worth watching are practical rather than diagnostic, namely whether the other person welcomes the attention, and whether you would be able to step back if they told you it was too much.

How do you stop a hyperfixation?

Most people find it easier to limit the damage than to switch the interest off. Practical measures that tend to help include setting alarms for meals and sleep rather than relying on noticing hunger, asking someone to check in at an agreed time, and putting a fixed end ritual in place so stopping has a shape. If distress rather than inconvenience is the issue, that is worth raising with a professional.

What is the difference between a special interest and a hobby?

Depth of attachment, mainly. A hobby is something you choose to spend time on and can drop without it costing you anything. A special interest tends to be bound up with identity, is returned to across years, and is often used to settle yourself when overwhelmed. Losing access to a hobby is annoying; losing access to a special interest can feel like losing a limb.

References

American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed., text rev.). American Psychiatric Association Publishing.

Ashinoff, B. K., & Abu-Akel, A. (2021). Hyperfocus: The forgotten frontier of attention. Psychological Research, 85(1), 1-19.

Buckle, K. L., Leadbitter, K., Poliakoff, E., & Gowen, E. (2021). “No way out except from external intervention”: First-hand accounts of autistic inertia. Frontiers in Psychology, 12, 631596.

Dupuis, A., Mudiyanselage, P., Burton, C. L., Arnold, P. D., Crosbie, J., & Schachar, R. J. (2022). Hyperfocus or flow? Attentional strengths in autism spectrum disorder. Frontiers in Psychiatry, 13, 886692.

Dwyer, P., Sillas, A., Saron, C. D., & Rivera, S. M. (2025). Investigating autistic hyperfocus and monotropism: Limited convergence of event-related potentials, laboratory tasks, and questionnaire responses. Research in Autism, 127, 202683.

Garcia Pimenta, M., Gruhnert, R. K., Fuermaier, A. B. M., & Groen, Y. (2024). The role of executive functions in mediating the relationship between adult ADHD symptoms and hyperfocus in university students. Research in Developmental Disabilities, 144, 104639.

Groen, Y., Priegnitz, U., Fuermaier, A. B. M., Tucha, L., Tucha, O., Aschenbrenner, S., Weisbrod, M., & Garcia Pimenta, M. (2020). Testing the relation between ADHD and hyperfocus experiences. Research in Developmental Disabilities, 107, 103789.

Grove, R., Hoekstra, R. A., Wierda, M., & Begeer, S. (2018). Special interests and subjective wellbeing in autistic adults. Autism Research, 11(5), 766-775.

Grove, R., Roth, I., & Hoekstra, R. A. (2016). The motivation for special interests in individuals with autism and controls: Development and validation of the special interest motivation scale. Autism Research, 9(6), 677-688.

Harrop, C., Jones, D., Zheng, S., Nowell, S., Boyd, B. A., & Sasson, N. (2018). Circumscribed interests and attention in autism: The role of biological sex. Journal of Autism and Developmental Disorders, 48(10), 3449-3459.

Hupfeld, K. E., Abagis, T. R., & Shah, P. (2019). Living “in the zone”: Hyperfocus in adult ADHD. ADHD Attention Deficit and Hyperactivity Disorders, 11(2), 191-208.

Hupfeld, K. E., Osborne, J. B., Tran, Q. T., Hyatt, H. W., Abagis, T. R., & Shah, P. (2024). Validation of the dispositional adult hyperfocus questionnaire (AHQ-D). Scientific Reports, 14(1), 19460.

Murray, D., Lesser, M., & Lawson, W. (2005). Attention, monotropism and the diagnostic criteria for autism. Autism, 9(2), 139-156.

Spackman, E., Smillie, L. D., Frazier, T. W., Hardan, A. Y., Alvares, G. A., Whitehouse, A., & Uljarevic, M. (2023). Profiles of circumscribed interests in autistic youth. Frontiers in Behavioral Neuroscience, 17, 1037967.

Turner-Brown, L. M., Lam, K. S., Holtzclaw, T. N., Dichter, G. S., & Bodfish, J. W. (2011). Phenomenology and measurement of circumscribed interests in autism spectrum disorders. Autism, 15(4), 437-456.

Yeung, A., Ng, E., & Abi-Jaoude, E. (2022). TikTok and attention-deficit/hyperactivity disorder: A cross-sectional study of social media content quality. Canadian Journal of Psychiatry, 67(12), 899-906.

Further Reading and Research

Recommended Articles

• What is Neurodivergent? Complete Guide to Neurodiversity
• ADHD vs Autism vs Dyslexia: Complete Comparison Guide
• Executive Function Skills for Neurodivergent Adults

Suggested Books

• Lawson, W. (2011). The Passionate Mind: How People with Autism Learn. Jessica Kingsley Publishers.
  • Written by one of the authors of the original monotropism paper, this book argues that single-channel attention is the engine of autistic learning rather than an obstacle to it, and sets out what follows for teaching.
• Price, D. (2022). Unmasking Autism. Monoray.
  • A widely read account of late-identified autism that treats special interests as a source of identity and repair rather than as behaviour to be managed down, and is strong on why women and non-binary people are missed.
• Csikszentmihalyi, M. (2002). Flow: The Classic Work on How to Achieve Happiness. Rider.
  • The original account of total absorption in an activity, useful here because it describes the same state that gets renamed hyperfocus when a neurodivergent person experiences it.

Recommended Websites

• National Autistic Society
  • The main UK autism charity, with plain-language guidance on repetitive behaviours and intense interests, plus practical advice for families and for autistic adults seeking assessment.
• Monotropism.org
  • Maintained by autistic researchers and practitioners including the originators of the theory, with accessible explanations of monotropism, the Monotropism Questionnaire and a reading list.
• ADHD Foundation
  • A UK neurodiversity charity providing evidence-based information on attention, focus and executive function for adults, families and employers.

Kathy Brodie

Kathy Brodie is an Early Years Professional, Trainer and Author of multiple books on Early Years Education and Child Development. She is the founder of Early Years TV and the Early Years Summit.

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To cite this article please use:

Early Years TV Hyperfixation vs Special Interest: What the Evidence Says. Available at: https://www.earlyyears.tv/hyperfixation-vs-special-interest/ (Accessed: 11 October 2026).