Bearn, J, Wessely, S · European journal of clinical investigation · 1994 · DOI
This study looked at how the brain and nervous system may be involved in chronic fatigue syndrome (ME/CFS). Researchers examined the biological mechanisms that might explain why people with ME/CFS experience persistent tiredness and other symptoms. The review helps identify which parts of the nervous system could be affected in this condition.
Understanding the neurobiological basis of ME/CFS is crucial for developing targeted treatments and validating the condition as a medical disorder rather than psychiatric. This early mechanistic framework helped establish the foundation for biological ME/CFS research that continues today.
This review does not prove that any specific neurobiological mechanism causes ME/CFS, as it synthesizes existing literature rather than presenting new experimental evidence. The findings do not establish whether observed neurobiological changes are primary causes or secondary consequences of illness. Individual studies cited may have had methodological limitations that constrain the strength of conclusions.
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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