Cognitive flexibility in anorexia nervosa and bulimia nervosa.
Identifieur interne : 001B00 ( PubMed/Corpus ); précédent : 001A99; suivant : 001B01Cognitive flexibility in anorexia nervosa and bulimia nervosa.
Auteurs : Kate Tchanturia ; Marija Brecelj Anderluh ; Robin G. Morris ; Sophia Rabe-Hesketh ; David A. Collier ; Patricia Sanchez ; Janet L. TreasureSource :
- Journal of the International Neuropsychological Society : JINS [ 1355-6177 ] ; 2004.
English descriptors
- KwdEn :
- MESH :
- physiology : Cognition.
- physiopathology : Anorexia Nervosa, Bulimia.
- statistics & numerical data : Neuropsychological Tests.
- Adult, Factor Analysis, Statistical, Female, Humans, Male, Psychiatric Status Rating Scales.
Abstract
The aim of this study was to determine if there are differences in cognitive flexibility in anorexia nervosa and bulimia nervosa. Fifty-three patients with an eating disorder (34 with anorexia nervosa and 19 with bulimia nervosa) and 35 healthy controls participated in the study. A battery of neuropsychological tests for cognitive flexibility was used, including Trail Making B, the Brixton Test, Verbal Fluency, the Haptic Illusion Test, a cognitive shifting task (CatBat) and a picture set test. Using exploratory factor analysis, four factors were obtained: 1: Simple Alternation; 2: Mental Flexibility; 3: Perseveration; and 4: Perceptual Shift. Patients with anorexia nervosa had abnormal scores on Factors 1 and 4. Patients with bulimia nervosa showed a different pattern, with significant impairments in Factors 2 and 4. These findings suggest that differential neuropsychological disturbance in the domain of mental flexibility/rigidity may underlie the spectrum of eating disorders.
DOI: 10.1017/S1355617704104086
PubMed: 15327730
Links to Exploration step
pubmed:15327730Le document en format XML
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<author><name sortKey="Tchanturia, Kate" sort="Tchanturia, Kate" uniqKey="Tchanturia K" first="Kate" last="Tchanturia">Kate Tchanturia</name>
<affiliation><nlm:affiliation>Division of Psychological Medicine, Eating Disorders Research Unit, Institute of Psychiatry, King's College, De Crespigny Park, London, UK. spjeket@iop.kcl.ac.uk</nlm:affiliation>
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<author><name sortKey="Anderluh, Marija Brecelj" sort="Anderluh, Marija Brecelj" uniqKey="Anderluh M" first="Marija Brecelj" last="Anderluh">Marija Brecelj Anderluh</name>
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<author><name sortKey="Morris, Robin G" sort="Morris, Robin G" uniqKey="Morris R" first="Robin G" last="Morris">Robin G. Morris</name>
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<author><name sortKey="Rabe Hesketh, Sophia" sort="Rabe Hesketh, Sophia" uniqKey="Rabe Hesketh S" first="Sophia" last="Rabe-Hesketh">Sophia Rabe-Hesketh</name>
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<author><name sortKey="Sanchez, Patricia" sort="Sanchez, Patricia" uniqKey="Sanchez P" first="Patricia" last="Sanchez">Patricia Sanchez</name>
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<front><div type="abstract" xml:lang="en">The aim of this study was to determine if there are differences in cognitive flexibility in anorexia nervosa and bulimia nervosa. Fifty-three patients with an eating disorder (34 with anorexia nervosa and 19 with bulimia nervosa) and 35 healthy controls participated in the study. A battery of neuropsychological tests for cognitive flexibility was used, including Trail Making B, the Brixton Test, Verbal Fluency, the Haptic Illusion Test, a cognitive shifting task (CatBat) and a picture set test. Using exploratory factor analysis, four factors were obtained: 1: Simple Alternation; 2: Mental Flexibility; 3: Perseveration; and 4: Perceptual Shift. Patients with anorexia nervosa had abnormal scores on Factors 1 and 4. Patients with bulimia nervosa showed a different pattern, with significant impairments in Factors 2 and 4. These findings suggest that differential neuropsychological disturbance in the domain of mental flexibility/rigidity may underlie the spectrum of eating disorders.</div>
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<Abstract><AbstractText>The aim of this study was to determine if there are differences in cognitive flexibility in anorexia nervosa and bulimia nervosa. Fifty-three patients with an eating disorder (34 with anorexia nervosa and 19 with bulimia nervosa) and 35 healthy controls participated in the study. A battery of neuropsychological tests for cognitive flexibility was used, including Trail Making B, the Brixton Test, Verbal Fluency, the Haptic Illusion Test, a cognitive shifting task (CatBat) and a picture set test. Using exploratory factor analysis, four factors were obtained: 1: Simple Alternation; 2: Mental Flexibility; 3: Perseveration; and 4: Perceptual Shift. Patients with anorexia nervosa had abnormal scores on Factors 1 and 4. Patients with bulimia nervosa showed a different pattern, with significant impairments in Factors 2 and 4. These findings suggest that differential neuropsychological disturbance in the domain of mental flexibility/rigidity may underlie the spectrum of eating disorders.</AbstractText>
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