Abstract:
:To examine the influence of mode of illness onset on psychiatric status and neuropsychological performance, 36 patients with CFS were divided into two groups: sudden vs gradual onset of symptoms. These two CFS subgroups were compared to each other and to sedentary healthy controls on standardized neuropsychological tests of attention/concentration, information processing efficiency, memory, and higher cortical functions. In addition, the distribution of comorbid Axis I psychiatric disease between the two CFS groups was examined. The rate of concurrent psychiatric disease was significantly greater in the CFS-gradual group relative to the CFS-sudden group. While both CFS groups showed a significant reduction in information processing ability relative to controls, impairment in memory was more severe in the CFS-sudden group. Because of the significant heterogeneity of the CFS population, the need for subgroup analysis is discussed.
journal_name
J Psychiatr Resjournal_title
Journal of psychiatric researchauthors
DeLuca J,Johnson SK,Ellis SP,Natelson BHdoi
10.1016/s0022-3956(96)00052-0subject
Has Abstractpub_date
1997-01-01 00:00:00pages
83-90issue
1eissn
0022-3956issn
1879-1379pii
S0022395696000520journal_volume
31pub_type
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