Autism researcher and pioneer Uta Frith is calling for the dismantling of the current autism spectrum model to rethink how the condition is defined [1, 2].
This shift in perspective is critical because the current framework may fail to distinguish between different levels of need. As the definition of autism expands, there is a growing risk that the specific requirements of individuals with the most significant disabilities are being overlooked [3, 4].
Frith said that the prevailing understanding of the autism spectrum is flawed [1, 2]. She said that the medical community must reassess the underlying assumptions that have shaped the current diagnostic approach. This involves a fundamental re-examination of what constitutes autism and how those definitions are applied in clinical settings [1, 2].
The rapid expansion of the autism definition has created a broad umbrella that covers a wide range of cognitive and behavioral profiles [3, 4]. While a broader definition increases awareness and access to some services, it can simultaneously dilute the resources available for those with profound impairments. Frith said that by treating autism as a single, expansive spectrum, the system may lose sight of the most vulnerable populations [3, 4].
Addressing these systemic gaps requires a move away from the current model toward a more nuanced understanding of neurodivergence. By rethinking the definition, researchers and clinicians can better identify the distinct needs of different individuals rather than applying a one-size-fits-all spectrum approach [1, 2].
“The prevailing autism-spectrum framework is flawed.”
This challenge to the spectrum model represents a potential paradigm shift in neuropsychology. If the medical community moves away from the 'spectrum' terminology, it could lead to more specialized diagnostic categories. This would likely result in more targeted support and resource allocation for individuals with severe cognitive impairments who are currently grouped with high-functioning individuals.





