Brooks, Samantha K, Rimes, Katharine A, Chalder, Trudie · Journal of psychosomatic research · 2011 · DOI
This study looked at whether learning to accept ME/CFS (rather than fighting against it) helps patients feel less fatigued and function better in daily life. Researchers gave 259 patients questionnaires and then provided 90 of them with cognitive behavioral therapy (CBT). After treatment, patients who had learned greater acceptance reported less fatigue and better ability to work and socialize.
This is the first study demonstrating that acceptance can be improved through CBT and that greater acceptance correlates with better outcomes in ME/CFS patients. Understanding psychological factors like acceptance may help clinicians tailor treatments and help patients identify additional strategies to manage symptoms and improve quality of life.
This study does not prove that lack of acceptance causes fatigue or dysfunction—only that they are associated. The absence of a control group means improvements could be due to placebo effect, natural recovery, or other non-specific therapy factors rather than CBT specifically. The study cannot establish whether increasing acceptance is the active mechanism of CBT or simply a byproduct of other therapeutic changes.
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
Brooks, Samantha K, Rimes, Katharine A, & Chalder, Trudie (2011). The role of acceptance in chronic fatigue syndrome.. Journal of psychosomatic research. https://doi.org/10.1016/j.jpsychores.2011.08.001
BibTeX
@article{mecfsatlas-brooks-2011-role-acceptance,
author = {Brooks, Samantha K and Rimes, Katharine A and Chalder, Trudie},
title = {The role of acceptance in chronic fatigue syndrome.},
journal = {Journal of psychosomatic research},
year = {2011},
doi = {10.1016/j.jpsychores.2011.08.001},
note = {PubMed: 22118384},
url = {https://www.mecfsatlas.com/evidence/brooks-2011-role-acceptance},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-29. https://www.mecfsatlas.com/evidence/brooks-2011-role-acceptance
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