Wessely, S · Ciba Foundation symposium · 1993 · DOI
This review examines how ME/CFS relates to psychiatric conditions and brain function. Rather than viewing ME/CFS as purely physical or purely psychological, the authors found evidence that brain system problems—particularly in the hypothalamus, a key control center—play an important role in the condition. The paper argues that understanding ME/CFS requires looking at both brain biology and mental health factors together.
This work was influential in establishing that ME/CFS involves legitimate brain dysfunction rather than being a purely psychiatric or purely neurological condition. By calling for integration between psychiatric and neurological perspectives, it helped reduce stigma and redirect research toward understanding the biological mechanisms underlying the condition.
This review does not establish specific causative mechanisms, only associations and evidence of CNS involvement. It cannot prove that hypothalamic dysfunction causes ME/CFS rather than resulting from it, nor does it identify which psychiatric symptoms are secondary to the illness versus contributory factors. The 1993 publication date means it does not incorporate later discoveries in neurobiology, immunology, and metabolic dysfunction.
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 →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Wessely, S (1993). The neuropsychiatry of chronic fatigue syndrome.. Ciba Foundation symposium. https://doi.org/10.1002/9780470514382.ch13
BibTeX
@article{mecfsatlas-wessely-1993-neuropsychiatry-chronic,
author = {Wessely, S},
title = {The neuropsychiatry of chronic fatigue syndrome.},
journal = {Ciba Foundation symposium},
year = {1993},
doi = {10.1002/9780470514382.ch13},
note = {PubMed: 8491099},
url = {https://www.mecfsatlas.com/evidence/wessely-1993-neuropsychiatry-chronic},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-28. https://www.mecfsatlas.com/evidence/wessely-1993-neuropsychiatry-chronic
Contribute
Private, reviewed by a human. Not a public comment thread.