Understanding PDA in Children and Adults: Supporting Autonomy Through Nervous System Strategies
Pathological Demand Avoidance (PDA) [my preferred term is Pervasive Drive for Autonomy] is often misunderstood as defiance, stubbornness, or anxiety. But what does that really look like in everyday life? Many people with PDA experience an intense drive for autonomy, where even small requests or expectations can feel threatening to their sense of safety and control. It’s not about being difficult or manipulative. These reactions are rooted in the nervous system. Recognizing this allows us to see behaviors as adaptive strategies for regulation, rather than defiance.
At the heart of PDA is a loop that can be confusing: a demand is perceived as a threat, triggering avoidance or “equalizing behaviors,” and when misunderstood, leading to shame. Casey Ehrlich, a mother of two PDA children, a therapist and educator specializing in PDA, describes these behaviors as adaptive strategies that restore balance and maintain agency. Children and adults alike may avoid tasks or negotiate around requests not out of stubbornness, but to protect autonomy. Repeatedly overriding or misunderstanding these behaviors can contribute to emotional dysregulation and burnout.
To understand why even minor requests can feel overwhelming, it helps to consider how the nervous system scans for safety or threat, a process called neuroception. Coined by Dr. Stephen Porges, neuroception is the nervous system’s automatic and unconscious detection of safety or danger, guiding responses before we’re consciously aware. For a PDA’er, whose nervous system may be particularly sensitive, even a small request can feel threatening. Polyvagal Theory explains how the body instinctively mobilizes fight, flight, or freeze responses, or uses equalizing strategies to regain a sense of balance. (Polyvagal Institute)
Shoshana Freedman, founder of Safe Circle, offers a useful metaphor: imagine a safe circle drawn around the individual, a space where choice, safety, equality, and autonomy are honored. When external pressures push beyond the circle, the nervous system reacts. Equalizing behaviors are ways of protecting that internal space. Diane Gould, LCSW, founder of PDA North America and co-author of Navigating PDA in America, emphasizes that supporting autonomy and choice is central to positive outcomes. Kirsty Forbes, a PDA’er and educator also highlights the importance of practical strategies that honor nervous system differences, which can prevent escalation and burnout.
PDA may look different depending on age. Children often show sudden refusals, distraction, negotiation, meltdowns over minor requests, or anxiety around transitions. Adults may experience procrastination, avoidance of obligations, masking anxiety until exhaustion, or internalized shame from being misunderstood. Across ages, these behaviors are adaptive responses, deeply connected to the pervasive drive for autonomy. Understanding this allows caregivers, educators, and adults themselves to respond with empathy, curiosity, and practical support.
Supporting someone with PDA often involves creating conditions that feel safe rather than coercive. Framing requests as invitations, offering flexible options, providing advance notice for transitions, and allowing choice and decision-making can help maintain a sense of agency. Validating emotional experience, noticing feelings without shaming them can interrupt the cycle of threat and avoidance. Practices like grounding, mindful breathing, and self-paced engagement give the nervous system space to regulate and reduce overwhelm. By nurturing environments that honor autonomy, choice, and relational safety, people with PDA can engage with demands without triggering shame or burnout.
Framing PDA as a nervous system difference shaped by sensitivity to threat and a pervasive drive for autonomy and equality allows us to see behaviors as adaptive strategies for self-protection and regulation, rather than misbehavior. Understanding these patterns creates space for curiosity, empathy, and support, helping children and adults navigate everyday demands with greater ease and resilience.
If you’re looking for support or guidance whether for yourself, a child, a family member, or even to learn more so you can share with colleagues, I’d love to hear from you. Reach out here.
You can also find me in the providers list from PDA North America. Understanding PDA as a nervous system difference can feel transformative, and sometimes just having a space to talk through strategies, insights, or questions makes all the difference. Please feel free to reach out; I’m happy to provide information, guidance, or simply a listening ear as you navigate these experiences.
References
Erlicht, C. (2023). Working with Pathological Demand Avoidance in Neurodivergent Children and Adults.
Freedman, S. (2022). Safe Circle: Creating Relational Safety for Neurodivergent Individuals.
Gould, D., LCSW. (2021). Navigating PDA in America. PDA North America.
PDA North America. Diane Gould (2021). Supporting Children and Adults with PDA.
Forbes, K. (2020). Practical Strategies for Families and Educators Supporting PDA.
Polyvagal Institute. (n.d.). What is Polyvagal Theory?https://www.polyvagalinstitute.org/whatispolyvagaltheory
Porges, S. W. (2011). The Polyvagal Theory: Neurophysiological Foundations of Emotions, Attachment, Communication, and Self-Regulation.
