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An NDIS occupational therapist’s guide to understanding PDA

Key takeaways
An NDIS occupational therapist’s guide to understanding PDA

“I can’t eat my cereal because cats don’t use spoons”

When a child experiences a sudden shutdown over a routine task, or shifts into an imaginative identity to bypass an expectation, it is rarely simple defiance. In demand avoidant behavioural profiles, these behaviours often represent an involuntary threat response triggered by a loss of autonomy.

During a recent workshop hosted by Cam, one of our community-based NDIS Occupational Therapists down in Margaret River (Wadandi Boodja), we dived deep into Pathological Demand Avoidance, or as many in the neuroaffirming world prefer to call it, Pervasive Drive for Autonomy (PDA).

It’s not defiance, it’s a nervous system response

When a participant with a PDA profile avoids a demand, it isn't about being "naughty" or manipulative. It’s an involuntary threat response triggered by a hyper-sensitive nervous system trying to preserve autonomy.

As Cam explained during the session:

"Demands are cumulative. A child might go from zero to 100 over something seemingly minor to those around them, but it can often be the overall build up of demands throughout their day tipping them over the edge. Traditional discipline or reward systems fail because you can't punish a nervous system out of a panic state."

To show what this feels like from the participant's perspective, Cam shared a brilliant analogy:

"Imagine if you were told you had to run an ultramarathon when you knew you could barely run a 5k. You’d probably try to renegotiate the terms of the expectation or even creatively navigate the rules, like chucking on a pair of roller skates, or calling an Uber to just 100 meters from the finish line! That’s what kids with PDA are doing when they role play or avoid a task. It’s creative self-preservation."

The core shift is to think, “kids do well if they can”

Instead of forcing compliance, our OT's use the Collaborative & Proactive Solutions (CPS) framework. The core belief? Kids do well if they can.

"If a child isn't meeting an expectation, it means something is getting in their way, not that they lack motivation. Being compliant isn't really a valuable life skill. Being resilient is, and we build that by solving problems together." Cam, OT

By catching challenges "upstream" (the unsolved problem) rather than reacting "downstream" (the meltdown), OT's, support workers, and caregivers can help participants build life skills like compromise and perspective-taking in a safe and collaborative environment.

Everyday PANDA hacks

Supporting someone with PDA comes down to connection over control. Here are a few quick takeaways from the PANDA framework we use in therapy.

  • Prioritise & compromise: Pick your battles! Drop non-essential demands so the nervous system has energy left for health and safety.
  • Anxiety management: Keep your tone low, offer extra processing time, and lean heavily into humour and co-regulation.
  • Negotiation: Ditch the strict authority role. Work side-by-side as equal partners.
  • Disguise demands: Swap direct commands ("It’s time for you to make afternoon tea now!") for declarative language ("The afternoon tea ingredients are on the bench").
  • Adaptability: Recognise that daily capacity fluctuates based on sensory load and stress. If energy is low, pivot gracefully.

Looking for Neuroaffirming Support?

Working with a PDA profile is all about relational safety, creativity, and teamwork. Whether it's finding creative ways to navigate daily routines or building self-advocacy skills, our community OT team is here to support you and your family to thrive under your NDIS plan. Get in touch with our team today to chat about how we can help!

If you would like to book a session with Cam in Margaret River or Busselton, then please fill in this form. Or if you'd like more information or to speak to anyone in out teams across WA or SA, then please get in touch.

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