Profound Autism Research

Research is not just academic. it shapes systems, workforce training, and services that affect daily life.

When people with profound autism are not included or clearly defined in research:

Service systems fail to plan for their needs
Workforce training does not prepare clinicians for real-world challenges
Funding and policy decisions lack reliable evidence

By clarifying who we mean by “profound autism” and advocating for intentional inclusion, research can begin to reflect every part of the autism spectrum and every level of support need.

Consensus Research Definition Published

Better research begins with a shared language. When researchers use the same definition, they can compare findings across studies, better understand health and support needs, evaluate treatments, and build the evidence needed to improve healthcare, services, and public policy. The publication of Developing a Consensus Research Definition for Profound Autism Using a Modified Delphi Method marks an important milestone for research. Building on the 2021 Lancet Commission, which introduced the term profound autism, and the 2023 CDC prevalence study, this new paper establishes a consensus research definition that researchers can use to study profound autism more consistently.

Read The Paper

Siegel, M., Lord, C. L., Tager-Flusberg, H., et al. Developing a consensus research definition for profound autism using a modified Delphi method. Molecular Autism, 17, 28 (2026). https://doi.org/10.1186/s13229-026-00727-y

Profound Autism Research

Research is not just academic. it shapes systems, workforce training, and services that affect daily life.

Consensus Research Definition Published

for Researchers

for everyone

for Community Members

For prescribing physicians

Physician Training For Intense behaviors

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