White circular logo with the words "PDA society" in the center on a light grey background.
A teal paintbrush stroke with white text reads “PDA Week 2026”.

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A logo showing a stylised tree with two hands forming the trunk, encircled by a ring, with the text "PDA North America" at the bottom.

PDA or Pathological Demand Avoidance is commonly understood to be a profile of autism. The most well-known features of PDA is demand avoidance, which is where a person finds it hard to manage everyday tasks or demands, even those they want or need to do.

Without understanding and support, PDA can have a profound impact on people’s lives. Our mission is to make life easier by building awareness and understanding of PDA, and providing information, training and personalised support to everyone who needs it.

We are the only PDA charity in the UK and one of the only places that PDA families can turn to for support.

Our small team works tirelessly to raise awareness, provide one to one support, and deliver training to PDA adults, parents and professionals who supoort PDA autistic people.

But we’re reliant on people like you to keep going. Could you help somone have their lightbulb moment today?