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Autism v ADHD v AuDHD

  • 2 days ago
  • 4 min read

What’s the Difference - and Why It Matters


There was a time I thought I just needed to try harder.


Be less sensitive.

Be more organised.

Stop overthinking.

Stop burning out.


If you’re here, maybe you’ve had those thoughts too.


For many of us, the words autism and ADHD don’t arrive in childhood. They arrive in exhaustion. In parenting. In therapy rooms. In those late-night research spirals when something starts to click.


Autism.

ADHD.

AuDHD.


They’re often compared. Confused. Even dismissed.


But they aren’t competing labels. They’re different neurological blueprints - sometimes separate, sometimes overlapping - and understanding them can be life-changing.


Let’s decode it.


What Is Autism?


Autism (sometimes called Autism Spectrum Condition) is a lifelong neurodevelopmental difference.


It isn’t an illness.

It isn’t something to cure.

It’s a different way the brain is wired.


Autism affects how someone:


  • Communicates

  • Experiences social interaction

  • Processes sensory information

  • Responds to change

  • Focuses on interests

  • And no two autistic people are the same.


The Spectrum Is Not a Straight Line


The word “spectrum” is often misunderstood.

It’s not a scale from “mild” to “severe.”


It’s more like a profile of strengths and challenges - different traits showing up in different intensities.

That’s why one autistic person may live independently with subtle support needs, while another may need daily, practical support. Both are equally autistic.


Common Autistic Traits


Communication & Interaction

  • Difficulty reading non-verbal cues

  • Literal thinking

  • Preference for direct communication

  • Social exhaustion

  • Some may be non-speaking or minimally verbal

Routine & Regulation

  • Strong need for predictability

  • Distress at unexpected change

  • Repetitive movements (stimming) to self-regulate

Sensory Differences

  • Heightened sensitivity to sound, light, smell, or texture

  • Feeling overwhelmed in busy environments

Special Interests

  • Deep, passionate focus on specific topics

  • Intense joy and expertise in those areas


Strengths Often Seen in Autism


Autism also often brings:

  • Strong moral integrity

  • Deep loyalty

  • Pattern recognition

  • Attention to detail

  • Honest, direct communication

  • The ability to hyperfocus


For me, understanding this reframed so much. Traits I’d criticised in myself were also strengths - just misunderstood ones.


Causes & Diagnosis


Autism:

  • Is not caused by parenting

  • Is not caused by vaccines

  • Cannot be cured


Research suggests genetic and environmental influences.


Some people are diagnosed in early childhood. Others - particularly women and high-maskers - are diagnosed much later, sometimes after recognising traits in their own children. (I was diagnosed 6 months after my daughter. She was 10, I was 40.)


Autism is a form of neurodivergence - a natural variation in human brains.


What Is ADHD?


ADHD (Attention Deficit Hyperactivity Disorder) is also a neurodevelopmental condition.


Despite the name, it isn’t about a lack of attention.


It’s about difficulty regulating attention.


ADHD affects:

  • Focus

  • Impulse control

  • Activity levels

  • Executive functioning


The Three Core Areas


Inattention

  • Difficulty sustaining focus

  • Forgetfulness

  • Disorganisation

  • Daydreaming


Hyperactivity

  • Restlessness

  • Fidgeting

  • Difficulty sitting still

In adults, this often becomes internal - a racing mind rather than visible movement.


Impulsivity

  • Interrupting

  • Acting without thinking

  • Emotional reactivity


Presentations of ADHD


There are three main presentations:

  • Primarily Inattentive

  • Primarily Hyperactive-Impulsive

  • Combined Type

Not everyone with ADHD is “bouncing off the walls.” Many adults - especially women - were overlooked because they were daydreamers, not disruptors.


ADHD in Adults


In adulthood, ADHD can look like:

  • Time blindness

  • Starting projects but struggling to finish

  • Hyperfocus on interests

  • Chronic overwhelm

  • Low self-worth after years of being told to “just try harder”


Understanding ADHD can feel like someone finally turning the lights on in a room you’ve been stumbling around in for years.


What Is AuDHD?


AuDHD is a community term used to describe someone who is both autistic and has ADHD.


It isn’t a formal diagnostic label, but dual diagnosis has been officially recognised since 2013, when the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition allowed autism and ADHD to be diagnosed together.


Research shows significant overlap between the two.


The Internal Push and Pull


AuDHD can feel like:

  • Craving routine (autism)

  • Craving novelty (ADHD)

  • Needing structure

  • Rebelling against structure

  • Hyperfocusing intensely

  • Struggling to start basic tasks


It can feel contradictory. Confusing. Exhausting.


For many, it explains cycles of burnout - especially when masking heavily to cope socially.


Common AuDHD Experiences

  • Sensory sensitivity

  • Executive dysfunction

  • Emotional intensity

  • Rapid social battery drain

  • Deep masking

  • Burnout


When I first understood the overlap, the contradictions made sense. I wasn’t inconsistent. I wasn’t failing. My brain just had competing needs.


Why This Understanding Matters


Because mislabelling yourself leads to self-blame.


Because being told you’re: “too sensitive”

“lazy”

“rigid”

“dramatic”

“not living up to your potential”

… leaves scars.


Understanding whether traits are autistic, ADHD-related, or both isn’t about collecting diagnoses. It’s about:

  • Removing shame

  • Finding the right support

  • Adjusting your environment

  • Learning how your nervous system works

When you understand your brain, you stop fighting it.


You start working with it.


And that shift?

It changes everything.


This is what Living Decoded is about.


Not pathologising difference.

Not romanticising struggle.

But understanding our wiring deeply enough to live with compassion - for ourselves and for the people we love.


JuJu x

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