Dictionary
Anergia: Understanding Pathological Fatigue
Explore anergia: its definition, neurobiological foundations, diagnostic assessment, and clinical differentiation from fatigue and anhedonia.
# Chronic Fatigue Syndrome
6 results
Scales
Fatigue Questionnaire (CIS 20R)
Comprehensive academic guide to the Fatigue Questionnaire (Checklist Individual Strength, CIS-20R), detailing its theoretical framework,...
September 25, 2026
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Dr. Mohammed Looti
Scales
Checklist Individual Strength
A comprehensive psychometric review and academic analysis of the Checklist Individual Strength (CIS / CIS-20),...
September 12, 2026
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Dr. Mohammed Looti
Scales
Chronic Fatigue Syndrome – Activities and Participation Questionnaire
The Chronic Fatigue Syndrome – Activities and Participation Questionnaire (CFS-APQ) is a psychometrically validated 26-item...
September 12, 2026
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Dr. Mohammed Looti
Scales
Fatigue Severity Scale (FSS)
The Fatigue Severity Scale (FSS) is a widely utilized 9-item self-report questionnaire designed to assess...
September 6, 2026
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Dr. Mohammed Looti
Scales
Multidimensional Fatigue Inventory (MFI-20)
The Multidimensional Fatigue Inventory (MFI-20) is a 20-item self-report questionnaire assessing fatigue across five dimensions:...
September 5, 2026
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Dr. Mohammed Looti