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Fixation patterns, not clinical diagnosis, predict body size over-estimation in eating disordered women and healthy controls

Lookup NU author(s): Dr Katri Cornelissen, Dr Piers Cornelissen, Dr Martin Tovee

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by Wiley, 2016.

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Abstract

Objective: A core feature of anorexia nervosa (AN) is an over-estimation of body size. Women with AN have a different pattern of eye-movements when judging bodies, but it is unclear whether this is specific to their diagnosis or whether it is found in anyone over-estimating body size. Method: To address this question, we compared the eye movement patterns from three participant groups while they carried out a body size estimation task: (i) 20 women with recovering/recovered anorexia (rAN) who had concerns about body shape and weight and who over-estimated body size, (ii) 20 healthy controls who had normative levels of concern about body shape and who estimated body size accurately (iii) 20 healthy controls who had normative levels of concern about body shape but who did over-estimate body size. Results: Comparisons between the three groups showed that: (i) accurate body size estimators tended to look more in the waist region, and this was independent of clinical diagnosis; (ii) there is a pattern of looking at images of bodies, particularly viewing the upper parts of the torso and face, which is specific to participants with rAN but which is independent of accuracy in body size estimation. Discussion: Since the over-estimating controls did not share the same body image concerns that women with rAN report, their over-estimation cannot be explained by attitudinal concerns about body shape and weight. These results suggest that a distributed fixation pattern is associated with over-estimation of body size and should be addressed in treatment programs.


Publication metadata

Author(s): Cornelissen KK, Cornelissen PL, Hancock PJB, Tovée MJ

Publication type: Article

Publication status: Published

Journal: International Journal of Eating Disorders

Year: 2016

Volume: 49

Issue: 5

Pages: 507-518

Print publication date: 01/05/2016

Online publication date: 21/03/2016

Acceptance date: 11/12/2015

Date deposited: 12/01/2016

ISSN (print): 0276-3478

ISSN (electronic): 1098-108X

Publisher: Wiley

URL: http://dx.doi.org/10.1002/eat.22505

DOI: 10.1002/eat.22505


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