Duffy, Frank H, McAnulty, Gloria B, McCreary, Michelle C et al. · BMC neurology · 2011 · DOI
Researchers used brain wave recordings (EEG) to look for patterns that could distinguish ME/CFS patients from healthy people and those with depression. They found specific patterns in brain wave activity, particularly in the temporal lobes, that were present in ME/CFS patients but not in healthy controls or depressed patients. This suggests ME/CFS involves measurable differences in how the brain functions electrically.
ME/CFS lacks established diagnostic biomarkers, making clinical diagnosis difficult and leading to confusion with depression. This study provides evidence that objective brain physiology differences exist in ME/CFS that can be measured and distinguished from other conditions, potentially supporting development of a diagnostic test and validating the biological basis of the illness.
This study does not prove that EEG spectral coherence can be reliably used clinically in routine diagnostic practice—external validation in new patient populations is still needed. It also does not establish causation or explain why these brain wave differences occur. The reduced accuracy in medicated patients limits generalizability to real-world populations.
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
Duffy, Frank H, McAnulty, Gloria B, McCreary, Michelle C, Cuchural, George J, & Komaroff, Anthony L (2011). EEG spectral coherence data distinguish chronic fatigue syndrome patients from healthy controls and depressed patients--a case control study.. BMC neurology. https://doi.org/10.1186/1471-2377-11-82
BibTeX
@article{mecfsatlas-duffy-2011-eeg-spectral,
author = {Duffy, Frank H and McAnulty, Gloria B and McCreary, Michelle C and Cuchural, George J and Komaroff, Anthony L},
title = {EEG spectral coherence data distinguish chronic fatigue syndrome patients from healthy controls and depressed patients--a case control study.},
journal = {BMC neurology},
year = {2011},
doi = {10.1186/1471-2377-11-82},
note = {PubMed: 21722376},
url = {https://www.mecfsatlas.com/evidence/duffy-2011-eeg-spectral},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-30. https://www.mecfsatlas.com/evidence/duffy-2011-eeg-spectral
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