Journal
EUROPEAN EATING DISORDERS REVIEW
Volume 21, Issue 4, Pages 308-314Publisher
WILEY
DOI: 10.1002/erv.2233
Keywords
anorexia nervosa; central coherence; mental flexibility; set shifting; information processing; neuropsychological
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Objective Anorexia nervosa (AN) has been associated with weak central coherence (CC) and weak set shifting (SS). The main aim of this study was to examine possible differences between restrictive AN (AN-R) and bingeing/purging AN (AN-BP) on these features. Methods A total of 31 patients with AN-R, 20 patients with AN-BP and 26 healthy controls (HC) completed five neuropsychological tests (Block Design, Object Assembly, an adapted task-switching paradigm, Wisconsin Card Sorting Test and Trail Making Test). Results Using Block Design and Object Assembly, indicative for CC, AN-R patients performed significantly worse than AN-BP patients and HC, without any difference between AN-BP and HC. On SS measures, no group differences were observed. Discussion The results suggest that cognitive profiles of AN-R and AN-BP patients differ significantly on CC and not on SS. Our current findings support the idea that the two subtypes of AN have a distinctive underlying nature and might need a different approach in cognitive remediation. Copyright (c) 2013 John Wiley & Sons, Ltd and Eating Disorders Association.
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