Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/32843
Title: Investigating differences in cognitive flexibility, clinical perfectionism, and eating disorder-specific rumination across anorexia nervosa illness states.
Austin Authors: Miles, Stephanie;Nedeljkovic, Maja;Phillipou, Andrea 
Affiliation: Centre for Youth Mental Health, The University of Melbourne, Melbourne, Australia
Centre for Mental Health & Brain Sciences, Swinburne University of Technology, Melbourne, Australia.
Orygen, Melbourne, Australia
Department of Psychological Sciences, Swinburne University of Technology, Melbourne, Australia.
Department of Mental Health, St Vincent's Hospital, Melbourne, Australia
Mental Health
Issue Date: 2-Nov-2023
Date: 2023
Publication information: Eating Disorders 2023-11-02; 31(6)
Abstract: Cognitive inflexibility, clinical perfectionism, and eating disorder (ED)-specific rumination are common characteristics reported in anorexia nervosa (AN) and may contribute to the maintenance of the illness. It is suggested that clinical perfectionism and rumination may mediate the relationship between cognitive flexibility and AN pathology; however, research to date has not investigated all these factors together. The aim of the current study was to explore the relationships between these factors and how they may relate to ED symptoms in AN. Participants included 15 women with a current diagnosis of AN, 12 women who had a past diagnosis of AN and were currently weight-restored, and 15 healthy controls (HCs). The results revealed that participants with both acute and weight-restored AN self-reported poorer cognitive flexibility than HCs, but the groups did not differ in performance on objective assessments of cognitive flexibility. Participants with AN also reported significantly greater clinical perfectionism and ED-specific rumination than HC. A parallel mediation analysis found that ED-specific rumination mediated the relationship between subjective cognitive flexibility and ED symptoms. Further, subjective cognitive flexibility directly influenced ED symptoms. However, the mediation model was not significant for objective cognitive flexibility. The findings of this study have implications for potential treatment barriers and factors which might contribute to the risk of relapse.
URI: https://ahro.austin.org.au/austinjspui/handle/1/32843
DOI: 10.1080/10640266.2023.2206751
ORCID: 0000-0001-8190-894X
0000-0003-0963-0335
0000-0003-1009-6619
Journal: Eating Disorders
Start page: 1
End page: 22
PubMed URL: 37128671
ISSN: 1532-530X
Type: Journal Article
Appears in Collections:Journal articles

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