by Olivia Chappell RBT
Does ABA Address Root Causes?
From my personal experience working directly with young children with autism in an ABA (Applied Behavior Analysis) setting, I have had a unique vantage point into both the strengths and the many limitations of the current system. I have seen firsthand how impactful structured behavioral support can be for helping children build communication, independence, and daily-living skills.
At the same time, I have also observed patterns that raise vital questions about what may be missing from the broader approach. I often have the thought “we are treating behavior that should not even be happening had the internal root causes been addressed in the first place”. We give the children space and time, but it does not change the fact that they are very much internally distressed, feeling pain they cannot tell you about or even begin to understand.
These children are our future. They deserve to be protected, deeply understood, and supported in a way that honors who they are and who they can become.
Mainstream Practitioners Often Dismiss Root Causes of Behavior
In conversations with supervising clinicians, I have often heard strong skepticism toward emerging research or alternative perspectives that explore underlying physiological factors, such as metabolic, gastrointestinal, or nutritional imbalances that may affect a child’s behavior and overall functioning. While a level of scientific caution is appropriate and necessary, there are moments where the dismissal of these conversations feels less like careful evaluation and more like a reluctance to engage with perspectives outside of a strictly behavioral framework.
This dynamic can unintentionally create silos. Behavior analysts, medical professionals, nutrition specialists, and families are often working toward the same goal, improving the quality of life for the child, but without consistent communication or collaboration across disciplines. When one approach becomes the sole focus, it can limit opportunities to consider how multiple factors may be interacting. For example, behaviors may sometimes be influenced by discomfort, sensitivities, or underlying physiological challenges that are not purely behavioral in nature.
A Significant Gap in Reliable Information About Root-Cause Approaches
There is also a significant gap in accessible, reliable information for families navigating alternative or “root-cause” approaches. Even for families who have the financial means to pursue additional interventions, the path is often unclear and inconsistent. In my experience, I have seen families who are deeply committed to helping their child and willing to invest in these approaches yet still struggle due to a lack of clear guidance and coordinated care.
One example that stood out to me involved a student whose family had the resources to explore these avenues and had begun looking into underlying causes of their child’s symptoms. After hearing about treatments like leucovorin, they decided to move forward based on publicly available information. While there were some positive changes, such as improvements in language, there were also unintended consequences, including increased anxiety and more aggressive behaviors. In this case, other important factors, such as gut health or immune function, had not been fully assessed or even addressed in the first place. This highlighted how even well-intentioned decisions can lead to setbacks when interventions are not implemented within a comprehensive, individualized plan.
Collaboration Among a Child’s Practitioners Is Key
This experience reinforced for me that while access to information has improved through the internet and public discourse, it is not a substitute for a structured, collaborative-care model. These children are complex, and their needs often extend beyond any single intervention. Without a clear roadmap and professional guidance across disciplines, families are left to piece together fragmented information on their own.
Encouraging collaboration does not mean replacing one approach with another; rather, it means broadening the lens. A more integrated model would allow behavioral therapy to work alongside medical insight, nutritional support, and family-centered observations from the very beginning. Ideally, this process would start at the point of diagnosis. This type of coordinated, team-based approach could help ensure that interventions are not only addressing observable behaviors but also considering potential underlying contributors in a safe and structured way.
In my experience, the families who are able to explore multiple avenues of support often have greater access to resources, whether financial or informational. This highlights an important need for more open dialogue, clearer guidance, and shared knowledge, so that all families, not just those with greater means, can make informed and supported decisions about their child’s care.
Creating space for respectful discussion, ongoing research, and interdisciplinary collaboration may be one of the most meaningful steps forward. When professionals remain open to learning from one another, it allows for a more comprehensive understanding of each child’s needs—and ultimately, more thoughtful, individualized, and effective care.
About Olivia Chappell RBT
Olivia Chappell is an artist and behavior technician dedicated to supporting children with autism and their families. Inspired by her firsthand experience, she uses her voice and artwork to advocate for more collaborative, root-focused approaches to care. Her work centers on hope, healing, and the belief that every child deserves the chance to thrive.
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