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5 Signs You Have High-Functioning ADHD

Dr Mark Rackley is a psychologist specialised in ADHD with more than two decades of experience helping Neurodiverse people with their mental health. He’s back by popular demand to deep dive into the struggles of ADHD and to help you understand yourself. 00:00 Trailer 02:36 What is high functioning ADHD 07:32 The mask of overcompensation 11:52 What high functioning RSD looks like 14:31 Is high functioning ADHD a coping strategy for RSD 17:36 Can being high functioning delay a diagnosis 20:54 High functioning loneliness 23:23 Tiimo advert 30:43 What is low functioning ADHD 35:24 Link between high functioning ADHD and addiction 41:01 Audience questions (washing machine of woes) 45:09 A letter to my younger self Find Dr Mark on Instagram 👉 https://www.instagram.com/drmarkrackley/?hl=en 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 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. Mark RackleyguestAlex Partridgehost
Nov 4, 202546mWatch on YouTube ↗

CHAPTERS

  1. 0:00 – 2:36

    Why “high-functioning ADHD” is misleading: success on the outside, struggle inside

    The episode opens by reframing “high-functioning ADHD” as an external appearance rather than an indicator of how someone actually feels or copes. Alex and Dr. Rackley set up the core theme: public competence can hide intense private effort, anxiety, and overwhelm.

    • “High functioning” reflects perception, not internal reality
    • Success can camouflage disability and invalidate lived struggles
    • Examples: arriving extremely early, being unable to do anything before a later meeting
    • The label can create pressure to maintain an image
  2. 2:36 – 6:42

    Defining high-functioning ADHD: not a clinical label and often a burden

    Dr. Rackley explains that “high-functioning ADHD” isn’t a clinical diagnosis and can be conceptually confusing given executive-function challenges. He argues it often operates as an expectation others place on someone who appears to be coping well.

    • Not a formal diagnostic term clinicians use
    • ADHD includes executive dysfunction, so “high functioning” can be contradictory
    • “Compliment” can become a demand to keep performing
    • High functioning often means “easier for others,” not easier for the person
  3. 6:42 – 10:26

    Sign #1 — The mask of overcompensation: “high functioning” as high masking

    They dig into masking as a primary feature of so-called high-functioning ADHD—constant adapting, rehearsing, and controlling behavior to blend in. The hidden cost is exhaustion, nervous-system strain, and elevated burnout risk.

    • Masking/overcompensating to avoid being seen as different
    • Shame-driven blending in and people-pleasing
    • Rehearsing meetings, rereading emails repeatedly, overthinking responses
    • Managing punctuality, oversharing, and staying “on point” takes huge effort
    • Private collapses (toilets/at home) after public composure
  4. 10:26 – 11:33

    The inner ADHD experience: scattered attention, time-blindness, and all-night catch-up

    Alex illustrates the internal chaos that can coexist with outward competence—racing thoughts, difficulty reading, and weak sense of time. This internal experience often fuels late-night work sprints to avoid letting others down.

    • Reading without processing; attention slipping repeatedly
    • Thoughts feel like “fireworks” with no clear timeline
    • Time-blindness makes planning and pacing difficult
    • Overworking at night to meet expectations and prevent disappointment
  5. 11:33 – 14:31

    Sign #2 — High-functioning RSD: validation dependence and catastrophic threat responses

    They explore how rejection sensitive dysphoria (RSD) can intensify in high-masking individuals because so much effort is invested in being approved of. Small cues (like “can we chat later?”) can trigger spirals, panic, and emotional dysregulation.

    • External validation becomes emotional “safety”
    • Criticism/rejection hits harder after heavy over-effort
    • Catastrophizing: minor ambiguity interpreted as disaster
    • RSD can trigger anxiety/panic attacks and prolonged spirals
  6. 14:31 – 17:36

    Is high functioning a coping strategy for RSD? Perfectionism, shame, and the terror after success

    Dr. Rackley frames high-functioning performance as a chameleon-like coping strategy for RSD, shame, and feeling different. Perfectionism may produce impressive achievements, but it often creates emptiness and fear once the goal is reached.

    • High masking protects against shame and perceived rejection
    • Perfectionism as overcompensation and self-esteem management
    • Achievements (grades, promotions) can trigger more pressure, not relief
    • Post-achievement emptiness and inability to feel accomplishment
  7. 17:36 – 20:20

    Sign #3 — High functioning can delay diagnosis: internalized ADHD mistaken for anxiety/depression

    They discuss how high compensation hides ADHD from teachers, employers, and even clinicians—especially when symptoms are internalized rather than outwardly disruptive. As a result, people may be treated for anxiety or depression without recognizing underlying ADHD.

    • High masking reduces visible “external” ADHD signals
    • Internalized ADHD: overthinking, RSD, silent overwhelm
    • Appearing neurotypical can obscure assessment pathways
    • Symptoms may present as anxiety/depression instead of ADHD
  8. 20:20 – 25:43

    Sign #4 — High-functioning loneliness: imposter syndrome and disconnection from self

    They describe loneliness as a core consequence of living behind a ‘glass wall’—being praised for a persona while the real internal experience remains unseen. Dr. Rackley links this to imposter syndrome and weak self-validation, which can worsen mental health.

    • Imposter syndrome: fear of being ‘found out’
    • Loneliness can exist even when surrounded by people
    • Disconnection stems from lack of self-worth and self-validation
    • Loneliness increases risk of depression and anxiety
  9. 25:43 – 27:57

    Closing the gap: how to talk about loneliness without quick fixes

    Dr. Rackley offers practical guidance: first recognize loneliness, then disclose it to a safe, non-judgmental person. He warns against assuming loneliness is solved by ‘more socializing’ and emphasizes listening to what the loneliness actually represents for that individual.

    • Name the loneliness—especially difficult for those who appear extroverted
    • Choose a trusted person and describe the internal experience
    • Avoid premature solutions; listen for shame/inadequacy themes
    • Support should match the person’s underlying emotional need
  10. 27:57 – 30:39

    When the mask breaks: burnout, crashes, and the body forcing a stop

    Using the ‘swan on a lake’ metaphor, they explain how sustained overcompensation runs on adrenaline and cortisol until resilience runs out. Dr. Rackley describes burnout as the point where the body overrides willpower, forcing rest through collapse.

    • Calm exterior vs frantic internal effort (swan metaphor)
    • Burnout often follows one extra demand or life event
    • Running on stress hormones depletes resilience and coping capacity
    • The autonomic nervous system ‘pushes back’ to prevent damage
  11. 30:39 – 32:50

    What “low-functioning ADHD” really means: unmanaged symptoms and missing supports

    They contrast high-masking with what’s often labeled “low functioning,” reframing it as unmanaged ADHD. Dr. Rackley explains how diagnosis, medication, therapy, and environmental supports can stabilize functioning—especially for young people.

    • “Low functioning” reframed as lack of management/support
    • Stability improves with coordinated support (family, school, clinician)
    • Without supports, life can look chaotic and overwhelming
    • Unmanaged ADHD isn’t moral failure; it’s insufficient scaffolding
  12. 32:50 – 35:24

    Why people diverge: personality traits, support systems, and individual psychology

    Dr. Rackley explains that there’s no single “ADHD personality,” and coping styles vary widely. Differences in traits (Big Five), social environments, and psychological history shape whether someone masks heavily or struggles openly.

    • No uniform ADHD personality; individuals vary
    • Big Five traits (OCEAN) and higher neuroticism tendencies
    • Supportive vs critical environments dramatically change outcomes
    • Coping strategies reflect identity, strengths, and context
  13. 35:24 – 41:01

    Sign #5 — High achieving and addiction: workaholism, praise-chasing, and people-pleasing spirals

    They connect ADHD to addiction risk, highlighting how high achievers may develop behavioral addictions like workaholism that look socially rewarded. Validation becomes the ‘high,’ and RSD-driven people-pleasing can lock someone into overcommitment and burnout.

    • High achieving can hide addiction patterns (workaholism)
    • External praise/ego reinforcement as the reward loop
    • Study referenced: high ADHD rates among identified workaholics
    • People-pleasing (‘always yes’) as RSD management that accelerates burnout
  14. 41:01 – 45:07

    Audience Q: “Is it bipolar?” ADHD emotional dysregulation vs bipolar episodes

    In the ‘washing machine of woes’ segment, Dr. Rackley distinguishes bipolar disorder’s sustained episodes from ADHD’s rapid-trigger emotional dysregulation—especially via RSD. He explains that ADHD mood drops can be sudden and long-lasting, but differ in pattern and duration from bipolar cycles.

    • Bipolar: distinct depressive/manic episodes lasting weeks/months
    • ADHD: rapid mood destabilization that can be triggered instantly
    • RSD can last hours/days and feels like intense mood swings
    • Misinterpretations (a look, a comment) can trigger spirals
  15. 45:07 – 46:23

    Letter to a younger self: validation, self-love, and hope to close the episode

    The episode ends with Dr. Rackley reading a heartfelt letter meant for a younger self, emphasizing being ‘special’ as-is and practicing self-love. Alex and Mark reflect on the message’s validating and hopeful tone as they sign off.

    • A short letter centered on self-acceptance
    • Validation of differences (including ‘messy handwriting’)
    • Encouragement to keep going and love yourself
    • Closing reflections and gratitude

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