Journal
JOURNAL OF PSYCHOSOMATIC RESEARCH
Volume 68, Issue 5, Pages 489-494Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpsychores.2010.01.022
Keywords
Chronic fatigue syndrome; Functional somatic syndromes; Perpetuating factors; Treatment studies; Cognitive processes; Perception
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Objective: Chronic fatigue syndrome (CFS) is considered to be one of the functional somatic syndromes (FSS) Cognitions and behavior are thought to perpetuate the symptoms of CFS. Behavioral interventions based on the existing models of perpetuating factors are quite successful in reducing fatigue and disabilities. The evidence is reviewed that cognitive processes, particularly those that determine the perception of fatigue and its effect on behavior, play a central role in the maintenance of symptoms Method: Narrative review. Results: Findings from treatment studies suggest that cognitive factors mediate the positive effect of behavioral interventions on fatigue Increased Fitness or increased physical activity does not seem to mediate the treatment response. Additional evidence for the role of cognitive processes is found in studies comparing the subjective beliefs patients have of their functioning with their actual performance and in neurobiological research Conclusion: Three different cognitive processes may play a role in the perpetuation of CFS symptoms. The first is a general cognitive representation in which fatigue is perceived as something negative and aversive and CFS is seen as an illness that is difficult to influence The second process involved is the focusing on fatigue The third element is formed by specific dysfunctional beliefs about activity and fatigue (C) 2010 Elsevier Inc. All rights reserved
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