Chronic Fatigue Syndrome

  • Marie Thomas


This chapter discusses the diagnostic criteria for CFS, its prevalence and recovery in the untreated condition. The chapter goes on to describe research conducted to investigate the impairments associated with the condition in line with the 1991 Guidelines for Research. A range of individual symptoms associated with both physical and mental fatigue is discussed together with illness severity and comorbid symptoms. The chapter concludes with the results of a comparison study including a major breakthrough in the identification of objective cognitive impairments in CFS.


Chronic fatigue syndrome Fatigue Cognition Sleep Mood Psychosocial factors 


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© The Author(s) 2018

Authors and Affiliations

  • Marie Thomas
    • 1
  1. 1.Bath Spa UniversityBathUK

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