E3 PreliminaryPreliminaryPEM not requiredReview-NarrativePeer-reviewedReviewed
Stress, Asthenia, and Cognitive Disorders.
Vasenina, E E, Gankina, O A, Levin, O S · Neuroscience and behavioral physiology · 2022 · DOI
Quick Summary
This article explores the connection between extreme tiredness (asthenia), chronic fatigue syndrome (ME/CFS), and problems with thinking and mood. The authors explain that fatigue can start as your body's way of protecting itself when energy is running low, but it can develop into a serious condition that affects quality of life. They discuss how ME/CFS often appears alongside cognitive difficulties and mood changes, which can make diagnosis confusing.
Why It Matters
Understanding how fatigue, cognitive problems, and mood disorders interconnect is crucial for ME/CFS patients who experience this cluster of symptoms and often face diagnostic confusion. For researchers, this synthesis highlights the need for integrated diagnostic frameworks and may guide future investigations into the immune and neurobiological mechanisms linking these conditions.
Observed Findings
- Asthenia commonly co-occurs with affective and cognitive disorders across multiple disease types
- Asthenia can manifest as an independent immune-mediated disease, including chronic fatigue syndrome
- Symptom overlap between asthenia and cognitive/affective disorders creates significant diagnostic difficulties
- Asthenia originally functions as a protective mechanism related to energy resource depletion
Inferred Conclusions
- ME/CFS represents a complex condition where fatigue can progress from an adaptive response to a pathological, disabling, and potentially independent disease state
- Cognitive and affective symptoms are integral to understanding ME/CFS rather than separate comorbidities
- Improved diagnostic frameworks are needed to distinguish between asthenia and its associated cognitive and affective manifestations
Remaining Questions
- What are the specific immune and neurobiological mechanisms that link asthenia, cognitive dysfunction, and affective disorders in ME/CFS?
- How can clinicians reliably distinguish between primary ME/CFS and asthenia secondary to other somatic or infectious diseases?
- Do cognitive and affective symptoms emerge from the same pathophysiological process as fatigue, or do they arise through distinct mechanisms?
What This Study Does Not Prove
This is a review article rather than an original empirical study, so it does not present new experimental evidence or establish causation. The article does not prove which condition causes the others or whether they share a common underlying mechanism—it only discusses associations and overlapping features.
Tags
Symptom:Cognitive DysfunctionFatigue
Method Flag:Weak Case Definition
Metadata
- DOI
- 10.1007/s11055-023-01364-1
- PMID
- 36846620
- Review status
- Editor reviewed
- Evidence level
- Early hypothesis, preprint, editorial, or weak support
- Last updated
- 12 April 2026
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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