Document Detail

Research on cognitive complaints and cognitive functioning in patients with chronic fatigue syndrome (CFS): What conclusions can we draw?
MedLine Citation:
PMID:  8910243     Owner:  NLM     Status:  MEDLINE    
People with chronic fatigue syndrome (CFS) complain of difficulties with concentration and memory yet studies suggest that they do not suffer gross deficits in cognitive functioning. Depressed patients make similar cognitive complaints, and there is symptomatic overlap between CFS and depression. Cognitive complaints and depressed mood are positively correlated in CFS patients but, except on tasks which are particularly sensitive to depression, cognitive performance and depression are not. The inconsistency between cognitive complaints and results of tests of cognitive functioning resembles that found in other subject groups and may be due in part to the inappropriate use of laboratory memory tests for assessing "everyday" cognitive functioning. Even when cognitive capacity is intact, cognitive performance may be affected by factors such as arousal, mood, and strategy. In CFS patients, everyday cognitive tasks may require excessive processing resources leaving patients with diminished spare attentional capacity or flexibility.
A J Wearden; L Appleby
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Journal of psychosomatic research     Volume:  41     ISSN:  0022-3999     ISO Abbreviation:  J Psychosom Res     Publication Date:  1996 Sep 
Date Detail:
Created Date:  1997-02-20     Completed Date:  1997-02-20     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0376333     Medline TA:  J Psychosom Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  197-211     Citation Subset:  IM    
Department of Psychiatry, University Hospital of South Manchester, UK.
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MeSH Terms
Cognition Disorders / etiology*
Depressive Disorder / psychology
Fatigue Syndrome, Chronic / psychology*

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