This article examines how ME/CFS came to be understood as a brain-based illness rather than purely a physical one. The authors explore the history of how brain imaging and neuroscience research influenced medical thinking about ME/CFS, and how this shift reflected broader changes in how society views illness in general—increasingly looking to the brain as the primary source of disease.
Why It Matters
This work is important because it illuminates how ME/CFS research and clinical perception are shaped by broader scientific and cultural trends, not just by empirical evidence. Understanding this history can help patients and advocates recognize that the focus on brain-centered explanations reflects societal biases in neuroscience, and may not fully reflect the complex, multisystem nature of ME/CFS.
Observed Findings
Brain imaging and neuroimaging technologies became increasingly central to ME/CFS research and diagnostic frameworks
Neurological hypotheses competed with and sometimes displaced viral and immunological explanations in scientific discourse
The elevation of the brain as the 'prime place' for disease causation reflects late 20th-century trends in somatic culture and neuroscientific thinking
Multiple etiological hypotheses (viral, immunological, neurological) coexisted but were not equally prioritized in medical literature
Inferred Conclusions
The cerebralization of ME/CFS represents a historical and cultural shift in medical thinking rather than solely an evidence-driven development
Neuroimaging and brain-focused paradigms became institutionalized in ME/CFS research through social and scientific processes that merit critical examination
The dominance of brain-centered frameworks may obscure or minimize the role of systemic and immunological factors in ME/CFS pathophysiology
Remaining Questions
How has the emphasis on brain-based research affected clinical care and patient outcomes in ME/CFS?
To what extent do brain imaging findings truly distinguish ME/CFS from other conditions, or do they primarily reflect methodological trends?
What This Study Does Not Prove
This study does not prove that brain-based hypotheses are incorrect or that viral or immune explanations are superior. It also does not establish causation or validate any particular mechanism of ME/CFS. Rather, it is a critical examination of how medical paradigms shift for reasons that include cultural factors beyond empirical evidence.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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