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Masking — The Hidden Cost of Cognitive Compensation

21 July 2026 · CognitionType Research Lab

You have been doing it so long you may not even notice it anymore. The quick mental rehearsal before speaking in a meeting. The way you read an email three times before sending it, not because the content is complex but because you have learned that mistakes carry a different weight for you. The smile you hold a beat too long to signal that you are tracking a conversation your mind left two minutes ago.

It looks like effort. It looks like conscientiousness. What it actually is, according to a growing body of research, is masking — the conscious or unconscious suppression and compensation of cognitive differences to appear typical. And the evidence is becoming impossible to ignore: the cost of maintaining that performance is far higher than most people realise.

What does masking mean in cognitive terms

Masking is not a single behaviour. It is a cluster of strategies that neurodivergent people develop, often without deliberate intention, to navigate environments built around neurotypical expectations.

Laura Hull, a researcher at University College London who has done some of the most rigorous work in this area, published a foundational framework in 2017 identifying three distinct components of social camouflaging. The first is masking itself — actively hiding traits that would mark someone as different. The second is compensation — developing alternative strategies to work around a cognitive difficulty, such as memorising social scripts or building elaborate organisational systems. The third is assimilation — performing behaviours designed to blend into environments where the person feels fundamentally out of place.

Hull and colleagues later developed the Camouflaging Autistic Traits Questionnaire (CAT-Q) in 2019, giving researchers a standardised way to measure what had previously been visible only through lived experience. The instrument confirmed what autistic adults had been saying for years: camouflaging is pervasive, exhausting, and strongly associated with poorer mental health outcomes.

But masking is not exclusive to autism. It operates across the full spectrum of cognitive difference — in ADHD, dyslexia, dyscalculia, and auditory processing disorder. The specific strategies vary. The underlying architecture is the same: detect the gap between how your brain works and how the environment expects it to work, then spend cognitive resources closing that gap in real time.

Why over 90 percent of adults with ADHD hide their traits

A 2026 study from Simon Fraser University, led by doctoral researcher Marisa Mylett, surveyed 202 adults with diagnosed ADHD in British Columbia. The findings were striking: 91.6 percent reported camouflaging their ADHD traits across social, professional, and personal contexts.

The motivations were consistent. Participants masked to be seen as competent, to avoid judgment, and to survive in environments not designed for how their brains operate. Many described camouflaging not as a choice but as a survival mechanism — something they had been doing since childhood without ever naming it.

What makes the study particularly valuable is its documentation of the cost. Participants reported that the cognitive effort required to mask their traits actually made their core ADHD symptoms worse. Masking degraded attention, impaired memory, and reduced concentration — the very capacities they were trying to simulate.

"Camouflaging strategies often leave people feeling exhausted, disconnected from their true selves and less close or connected to others." — Marisa Mylett, Simon Fraser University

Some participants reported needing days to recover after periods of intense camouflaging — not rest in the ordinary sense, but neurological recovery from sustained cognitive overexertion.

A separate Deloitte Disability Inclusion at Work survey in 2024, encompassing 10,000 respondents across 20 countries, found that only 24 percent of employees with an ADHD diagnosis had disclosed it to their employer, despite 72 percent reporting that the condition materially affected their daily performance. The gap between impact and disclosure is, in effect, a measure of how much masking the modern workplace demands.

What masking does to your working memory

This is where the dimensional lens becomes essential, because masking is not a purely social phenomenon. It is a cognitive one — and it exacts its heaviest toll on working memory.

Working memory is the brain's capacity to hold and manipulate information in real time. It is finite. Every human being has a limited number of cognitive slots available at any given moment, and those slots must be allocated across whatever the person is trying to do.

For someone who is masking, a significant portion of those slots is permanently occupied. They are running what researchers have described as a background process — monitoring their own behaviour, checking their output against neurotypical norms, adjusting tone and timing and expression — while simultaneously trying to do the actual task in front of them.

Cognitive load theory, originally developed by John Sweller in the 1980s, distinguishes three types of load: intrinsic (the inherent difficulty of the task), extraneous (load created by the environment or presentation), and germane (load devoted to learning and schema construction). For a neurodivergent person who is masking, there is effectively a fourth load — the cognitive cost of performing typicality — that competes directly with the resources available for everything else.

Research on neurodivergent students in educational settings confirms this. A study published in the journal Education Sciences found that neurodivergent students reported significantly higher extraneous cognitive load compared to neurotypical peers, even when the material was identical. The masking itself was creating load that had nothing to do with the content.

The practical consequence is that masking does not just hide the difficulty. It makes the difficulty worse. The person with ADHD who is using working memory to appear focused has less working memory available for actually focusing. The dyslexic professional who is spending cognitive resources on proofreading, double-checking, and concealing slow processing has less capacity available for the creative and analytical thinking where their strengths may genuinely lie.

The emotional toll of performing normal every day

Masking does not only deplete working memory. It disrupts the other cognitive dimension that underpins daily functioning: emotional regulation.

Eilidh Cage and Zara Troxell-Whitman published a pivotal study in the Journal of Autism and Developmental Disorders in 2019, surveying 262 autistic adults about their camouflaging behaviours across different contexts. Two findings stand out.

First, masking was context-dependent. People masked more heavily in formal settings — work, education, professional interactions — and less in close relationships and at home. This is not because home is effortless. It is because the masking effort is unsustainable across all waking hours, and something has to give.

Second, both high-masking individuals and those who switched frequently between masking and not masking reported worse mental health outcomes. The switching itself was destabilising. The emotional system was being asked to toggle between two modes of being — authentic and performed — multiple times a day, and each transition carried a regulatory cost.

This connects directly to what researchers understand about emotional dysregulation. James Gross's model of emotion regulation identifies reappraisal — reinterpreting a situation before the emotion fully forms — as the most effective regulatory strategy. Suppression — clamping down on an emotion after it has already arrived — is consistently less effective and more cognitively expensive. Masking, by its nature, is a suppression strategy. The person feels frustration, confusion, or overwhelm, and instead of expressing or processing that emotion, they suppress it and perform composure. The emotion does not disappear. It goes underground, surfacing later as anxiety, irritability, or the distinctive exhaustion that neurodivergent adults often describe as burnout.

Research consistently links sustained masking to a threefold increase in burnout risk. But the burnout that follows long-term masking is not ordinary work fatigue. It is the collapse of a compensatory system that has been running at unsustainable capacity — sometimes for decades.

Why masking erodes your sense of identity

Perhaps the most insidious cost of masking is what it does to the masker's relationship with themselves.

When someone has been performing a version of themselves for years — at school, at work, in relationships — the line between performance and identity begins to blur. Hull's research found that many autistic adults who masked heavily reported profound uncertainty about who they actually were when they were not masking. The mask had become so integrated that removing it felt not like liberation but like erasure.

The SFU study on adults with ADHD documented the same pattern. Participants reported feelings of inauthenticity, impostor syndrome, and a persistent uncertainty about their own identity. They had been so effective at appearing typical that they had lost access to what "typical for them" actually felt like.

This is not a metaphor. It is a measurable psychological phenomenon. When masking becomes chronic, the person's internal model of themselves — their self-concept — is built not around their authentic cognitive patterns but around the performance they have constructed to hide those patterns. The performance becomes the self, and the actual self becomes the thing that feels wrong.

For people who receive a late diagnosis, this identity confusion is often the hardest part. The diagnosis explains the difficulty, but it also reveals that the coping architecture they built their adult life around was, in a sense, a fiction. The relief of understanding coexists with the vertigo of not knowing who they are without the mask.

How masking delays diagnosis for decades

Masking is not just a consequence of living with cognitive differences. It is one of the primary reasons those differences go unidentified.

The mechanism is straightforward. Diagnostic criteria for conditions like ADHD, dyslexia, and autism were developed primarily around visible presentations — and effective masking renders those presentations invisible. The person with ADHD who has built a wall of organisational systems does not look disorganised. The dyslexic professional who avoids writing in public and proofreads obsessively does not appear to struggle with literacy. The autistic adult who has memorised social scripts does not seem to have difficulty with social communication.

Clinicians, by design, assess what they can observe. When the observable presentation has been meticulously curated to conceal the underlying difference, assessment tools calibrated to detect visible struggle will miss the invisible kind.

This is compounded for women and girls, who research consistently shows are socialised into masking earlier and more thoroughly than their male counterparts. Cage and Troxell-Whitman found that autistic women were more likely to mask in formal and professional settings, and a 2026 study in Medical Archives found that women with ADHD are diagnosed an average of five years later than men, despite symptoms appearing at the same age.

The diagnostic delay matters because the longer someone masks without understanding why they need to mask, the deeper the compensatory patterns become — and the harder they are to disentangle from the person's identity, career, and relationships.

How to recognise when masking is costing too much

If you have read this far and something resonates, it may be worth asking whether your own cognitive patterns involve more compensation than you have acknowledged.

Some questions worth sitting with. Do you feel significantly more exhausted after social or professional interactions than the situation seems to warrant? Do you spend substantial time preparing for tasks that others appear to handle spontaneously? Do you feel like a different person at work than you do at home, and not in the way that everyone does? Have you built systems — lists, reminders, scripts, rehearsals — that you would be unable to function without, while suspecting that other people do not need them?

These are not diagnostic questions. They are pattern-recognition prompts. The goal is not to label yourself but to understand how your cognitive resources are actually being allocated — and whether a significant portion is being consumed by the work of appearing typical rather than the work you actually care about.

Understanding which specific cognitive dimensions are involved — whether your compensation is primarily happening in working memory, attention regulation, or emotional processing — can turn a vague sense of exhaustion into a specific, actionable map of where your resources are going. Tools like CognitionType are designed to surface exactly this kind of dimensional profile, helping you see the shape of your own cognitive patterns without requiring a clinical label.

The point is not to stop compensating entirely. Some compensatory strategies are genuinely useful and worth keeping. The point is to distinguish between compensation that serves you and compensation that is slowly depleting you — and to make that distinction with clarity rather than guesswork.

What the research says about unmasking

Unmasking is not a single moment of revelation. Researchers and clinicians consistently describe it as a gradual, nonlinear process of identifying which compensatory behaviours are serving you and which are costing more than they are worth.

The emerging evidence suggests several principles. First, environments matter more than willpower. People unmask most successfully when they are in contexts that do not punish authenticity — relationships, workplaces, and communities where cognitive difference is understood rather than merely tolerated. Second, self-compassion is not optional. Kristin Neff's research on self-compassion has particular relevance for neurodivergent adults, because unmasking inevitably involves confronting years of self-criticism that were themselves a product of masking. If unmasking becomes another arena for self-judgment, the process becomes self-defeating.

Third, and perhaps most importantly, unmasking is not about becoming less competent. It is about redirecting cognitive resources from performance to function. The working memory that was being spent on monitoring social output can be redirected to actual problem-solving. The attentional resources that were being consumed by self-surveillance can be freed for genuine engagement. The emotional bandwidth that was being consumed by suppression can be reclaimed for authentic connection.

The goal is not to unmask perfectly. It is to recognise that the mask has a cost — a cognitive, emotional, and identity cost that accumulates invisibly over years — and to begin making conscious choices about when that cost is worth paying and when it is not.


CognitionType is an informational assessment tool, not a clinical diagnosis. If you recognise yourself in the patterns described here and suspect a specific condition such as ADHD, dyslexia, or autism, we encourage you to seek formal evaluation from a qualified professional.

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