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Titolo:
Intraindividual variability in cognitive performance in persons with chronic fatigue syndrome
Autore:
Fuentes, K; Hunter, MA; Strauss, E; Hultsch, DF;
Indirizzi:
Univ Victoria, Dept Psychol, Victoria, BC V8W 3P5, Canada Univ Victoria Victoria BC Canada V8W 3P5 ol, Victoria, BC V8W 3P5, Canada
Titolo Testata:
CLINICAL NEUROPSYCHOLOGIST
fascicolo: 2, volume: 15, anno: 2001,
pagine: 210 - 227
SICI:
1385-4046(200105)15:2<210:IVICPI>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
REACTION-TIME; MULTIPLE-SCLEROSIS; FOCUSED ATTENTION; BRAIN INJURY; CONSISTENCY; DEPRESSION; MEMORY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
45
Recensione:
Indirizzi per estratti:
Indirizzo: Fuentes, K Univ Victoria, Dept Psychol, POB 3050, Victoria, BC V8W 3P5, Canada Univ Victoria POB 3050 Victoria BC Canada V8W 3P5 W 3P5, Canada
Citazione:
K. Fuentes et al., "Intraindividual variability in cognitive performance in persons with chronic fatigue syndrome", CLIN NEURPS, 15(2), 2001, pp. 210-227

Abstract

Studies of cognitive performance among persons with chronic fatigue syndrome (CFS) have yielded inconsistent results. We sought to contribute to findings in this area by examining intraindividual variability as well as levelof performance in cognitive functioning. A battery of cognitive measures was administered to 14 CFS patients and 16 healthy individuals on 10 weekly occasions. Analyses comparing the two groups in terms of level of performance defined by latency and accuracy scores revealed that the CFS patients were slower but not less accurate than healthy persons. The CFS group showed greater intraindividual variability (as measured by intraindividual standard deviations and coefficients of variation) than the healthy group, although the results varied by task and time frame. Intraindividual variability was found to be stable across time and correlated across tasks at each testing occasion. Intraindividual variability also uniquely differentiated the groups. The present findings support the proposition that intraindividual variability is a meaningful indicator of cognitive functioning in CFS patients.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/01/20 alle ore 19:04:20