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How To Spot Autism In High-Masking Adults

Dr. Luke Beardon is a leading autism researcher, author and senior lecturer at Sheffield Hallam University who has spent more than 30 years working alongside autistic people and their families. In this episode, Luke reveals what autism can actually feel like from the inside, from masking and rehearsing conversations to sensory overwhelm, burnout and the exhaustion of constantly trying to fit in. He explores why so many people go decades without realising they’re autistic, what happens when you mask for so long that you lose sight of who you really are, and why the parts of yourself you spent a lifetime hiding may never have needed fixing in the first place. Chapters: 00:00 Trailer 01:23 Why Luke dedicated his life to understanding autism 02:46 How can someone be autistic for decades without knowing? 05:38 What high-masking autism actually looks like 08:06 How early does autistic masking begin? 10:21 The biggest misconception about autism in adults 16:10 The biggest signs you’re masking autism 17:37 Why autistic people rehearse conversations 23:50 Why small talk can be so exhausting 29:59 What sensory overwhelm actually feels like 36:40 Why autistic people stim 40:04 Tiimo advert 41:31 The autistic behaviours people are made to feel ashamed of 43:33 The hidden cost of masking autism 46:39 What autistic burnout actually feels like 49:58 Can you mask for so long that you lose yourself? 51:27 When the mask becomes your personality 57:54 Are you really an introvert — or could you be autistic? 01:00:05 The Washing Machine of Woes 01:03:17 A Letter to My Younger Self Buy Dr Luke’s books 👉 https://www.amazon.co.uk/Books-Luke-Beardon/s?rh=n%3A266239%2Cp_27%3ALuke%2BBeardon Get 30% off an annual Tiimo subscription 👉 https://www.tiimoapp.com/offers/adhdchatter Buy Alex's book entitled 'Now It All Makes Sense' 👉 https://www.amazon.co.uk/Now-All-Makes-Sense-Diagnosis/dp/1399817817 Order Alex’s book about Rejection Sensitive Dysphoria 👉 https://linktr.ee/adhdchatter?utm_source=linktree_profile_share&ltsid=9ffd8709-06df-444c-9936-c136fbd14d6e Producer: Timon Woodward  Recorded by: Hamlin Studios Trailer editor: Ryan Faber DISCLAIMER: The content in the podcast and on this webpage is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your doctor or qualified healthcare provider. Never disregard professional medical advice or delay in seeking it because of something you have heard on the podcast or on my website.

Dr. Luke BeardonguestAlex Partridgehost
Aug 10, 20261h 4mWatch on YouTube ↗

CHAPTERS

  1. 0:00 – 1:07

    Why lifelong masking feels like being “in the wrong”

    Luke opens with the emotional reality many autistic adults describe: being authentic can lead to criticism, shame, and feeling lesser. The conversation sets the stakes for why people hide traits like stimming or direct communication.

    • Authenticity can trigger social punishment and shame
    • Commonly criticized traits: stimming, fidgeting, being direct
    • Internalized blame after years of being told you’re wrong
    • Masking as a response to repeated correction
  2. 1:07 – 2:30

    Luke Beardon’s path into autism research and advocacy

    Luke explains his background as a senior lecturer in autism and traces his interest back to volunteering as a teenager. He describes resonating with autistic children early on and building a career supporting autistic people across the lifespan.

    • 25 years at Sheffield Hallam University
    • Early volunteer work at a special school shaped his career
    • Experience supporting autistic adults in residential care
    • Dedication to expanding accurate understanding of autism
  3. 2:30 – 5:22

    How autistic adults can be ‘missed’ for decades

    Luke outlines the “imperfect storm” behind late identification: evolving diagnostic history, limited past awareness in schools, and modern access barriers like long waiting lists. He also distinguishes between adults who self-identify confidently and those who are ‘oblivious’ to being autistic.

    • Autism knowledge and criteria are historically recent and evolving
    • Past education systems often lacked awareness to recognize autism
    • System barriers (e.g., waiting lists) delay identification
    • Two groups: self-identifiers vs. ‘oblivious autie’ who doesn’t know
  4. 5:22 – 7:53

    What high-masking autism is (and why ‘everyone masks’ misses the point)

    Luke reframes masking as a qualitatively different experience for autistic people, not just ordinary social adaptation. He proposes key differentiators: constant awareness, enormous effort, and exhaustion afterward, often driven by safety needs and learned copying (echopraxia).

    • Masking depends on lived experience; same word can mean different things
    • High masking often involves constant monitoring and heavy effort
    • Key indicators: awareness, effort, and post-social exhaustion
    • Echopraxia: learned copying that feels inauthentic
  5. 7:53 – 10:09

    How early masking begins: conformity training in childhood

    Masking can start extremely early, not only through observation but through explicit pressure to conform—especially in schools. Luke argues reward systems like ‘good sitting’ teach children their authentic regulation is unacceptable, embedding neuronormative expectations.

    • Masking is often taught, not merely chosen
    • School norms (e.g., sitting still) can punish neurodivergent regulation
    • Children learn: ‘be different = be wrong’
    • Early pressure to conform can create long-term harm
  6. 10:09 – 12:18

    The biggest misconception: autism doesn’t ‘look like’ anything

    Luke challenges the idea that autism has a visible ‘look’ and explains how that myth harms adults, especially high maskers, who are accused of faking. He introduces “autistic epistemology”—how society forms (often inaccurate) autism knowledge and applies it to people.

    • You can’t identify autism reliably by appearance
    • ‘You don’t look autistic’ is logically empty and damaging
    • Misinformation shapes judgments and blocks support
    • Autistic epistemology: where autism ‘knowledge’ comes from and its validity
  7. 12:18 – 15:53

    Safety, spotlight-avoidance, and insight: why some mask more than others

    Luke explains different pathways: some autistic people remain visibly authentic and may be rejected, while others learn to mask to avoid attention and feel safe. Insight into self and social expectations influences how much someone masks—and whether they even notice they’re different.

    • Some are rejected for authenticity; others mask to avoid spotlight
    • Masking can be an escape mechanism to maintain safety
    • Differences in self-awareness and social awareness shape masking
    • Pros/cons of ‘not knowing’ vs. learning you’re different
  8. 15:53 – 17:37

    Signs of masking that show up after the event: anxiety, depletion, recovery time

    Luke notes that effective masking is hard to detect in the moment; the clues are often ‘behind the scenes.’ He highlights a triad: elevated anxiety, low sense of safety, and high energy drain—often leading to needing significant downtime after social exposure.

    • High masking may be invisible during interaction
    • Clues: anxiety, reduced safety, and energy depletion
    • Common pattern: ‘mask → go home → collapse/recover’
    • Masking is strongly tied to energy economics
  9. 17:37 – 23:31

    Rehearsing conversations and mirroring communication styles

    The discussion explores pre-planning speech to prevent social errors and reduce anxiety. They also unpack mirroring tone, speed, accent, or interests as a way to blend in—sometimes automatic, sometimes strategic—and how it can create identity confusion in mixed social groups.

    • Rehearsal as anxiety reduction and mistake-prevention
    • Fear of being ‘found out’ for wrong timing/wording
    • Echopraxia/mirroring can be unconscious and misinterpreted
    • Over-mirroring can cause interpersonal friction and self-doubt
  10. 23:31 – 29:35

    Why small talk can feel illogical, risky, and exhausting

    Luke describes small talk as socially connective for many people but disconnecting for autistic individuals who value information-sharing and sincerity. They discuss how small talk (including in emails) can trigger hypervigilance from past experiences of ‘getting things wrong,’ and how practical compromises can help.

    • Small talk can feel pointless or inauthentic rather than bonding
    • It’s a ‘minefield’ where mistakes can lead to ostracism
    • Email small talk can create extra cognitive load and anxiety
    • Mutual compromise (e.g., pre-meeting chat time) supports both styles
  11. 29:35 – 36:30

    Sensory overwhelm from the inside: filtering differences and monotropism

    Luke explains sensory overload through a ‘filtering’ model: autistic sensory filtering may be more permeable, flooding consciousness with stimuli until shutdown. He contrasts this with monotropism—tunnel focus where other channels drop away—and connects it to hyperfocus and distress when interrupted.

    • Sensory overload as too much unfiltered input hitting awareness
    • Shutdown as the brain’s protective response
    • Monotropism: intense tunnel attention; other senses may fade
    • Interruptions can be distressing (links to ADHD hyperfocus)
  12. 36:30 – 40:04

    Stimming as regulation—and how suppressing it becomes masking

    Stimming is framed as a regulatory tool (and sometimes joyful expression), not a ‘problem behavior.’ Luke argues that stopping stims often removes a person’s coping/regulation signal rather than addressing the underlying anxiety or sensory load.

    • Stimming helps regulate without removing the stressor
    • Stimming can express joy, excitement, or self-balance
    • Suppressing stims is both masking and a sign environments are failing
    • Focus on causes (anxiety/overload), not just ‘symptoms’
  13. 40:04 – 46:20

    Shame, guilt, and the hidden costs of masking: identity loss, illness, suicidality risk

    After the ad break, Luke discusses how autistic traits are commonly shamed, producing chronic guilt (‘scrupulautity’). He outlines the long-term costs of sustained masking: trauma risk, potential suicidality, physical stress impacts, and profound identity erosion—sometimes to the point of not knowing who you are.

    • ‘Scrupulautity’: reflexive guilt after years of correction and blame
    • Masking can raise trauma risk and worsen mental health outcomes
    • Chronic stress may contribute to fatigue and pain conditions
    • Identity alienation: living as a persona for decades
  14. 46:20 – 52:32

    Autistic burnout: the ‘triple whammy’ and why change can trigger collapse

    Luke describes burnout as catastrophic loss of capacity to process the world, often requiring long recovery. He emphasizes a ‘triple whammy’: masking takes effort, hides the need for support, and makes later distress less believable; major life changes (retirement, bereavement) can precipitate crisis, especially for undiagnosed older adults.

    • Burnout can be severe, prolonged, and life-disrupting
    • No universal definition yet, but lived descriptions are consistent
    • Triple whammy: effort + invisibility + disbelief when struggling
    • Big changes can push undiagnosed adults into crisis/misdiagnosis
  15. 52:32 – 59:58

    Unmasking safely: experimenting with an ‘autistic lens,’ global stability, and choosing when to show up

    Luke offers a practical reflective exercise: live a day assuming you’re autistic and see if it makes your experiences make sense. They discuss why unmasking can be scary and stressful, and Luke introduces ‘global stability’—building supportive conditions (communication, sensory, social predictability) so change and authenticity become safer.

    • ‘Wake up tomorrow autistic’ as a lens to test fit and self-understanding
    • Unmasking requires motivation and careful choice of trusted spaces
    • Difference between solitude and loneliness; reduced social exposure can be healthy
    • Global stability reduces stress and increases tolerance for change
  16. 59:58 – 1:04:36

    Closing segments: key self-check questions, ‘Washing Machine of Woes,’ and letter to the younger self

    In audience Q&A, Luke emphasizes effort and rumination as core clues of masking and reiterates that many high maskers assume everyone lives this way. The episode ends with an emotional letter to a younger self about exhaustion from pretending and the healing that comes from meeting the ‘real you.’

    • Best self-check: how much effort, awareness, and after-rumination masking takes
    • Luke avoids rigid ‘autistic behaviors’ lists; idiosyncrasy matters
    • Many maskers wrongly assume masking is universal
    • Letter theme: stop asking ‘what’s wrong with me?’ and ask ‘who am I under this?’

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