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Comparison of body image evaluation by virtual reality and paper-based figure rating scales in adolescents with anorexia nervosa: retrospective study

  • Sheldon FisherEmail author
  • Ahmad Abdullah
  • Isabelle Charvin
  • David Da Fonseca
  • Flora Bat-Pitault
Original Article

Abstract

Purpose

Assessment of the symptoms of body image disorder (BID) is crucial in anorexia nervosa (AN). Recent technological advancements such as virtual reality (VR) have improved the visual perception with 3D avatars and the feeling to be the avatar with the immersive conditions. This retrospective study examines the hypothesis that VR with standardized 3D avatars would improve body image perception and then body image evaluation by adolescents with AN, compared to the paper-based figure rating scales (FRS).

Methods

Data of 31 female adolescents with AN were retrospectively studied. Paired data of perceived and desired body forms in addition to body perception index (BPI) (p = 0.2) and body dissatisfaction (p = 0.6), obtained by both VR and FRS were compared. Furthermore, correlation with validated psychometric questionnaires was also studied. Head-tracking technology allowed for the implicit measurement of explicit choices of patients.

Results

Participants with AN overestimated own body size regardless of the assessment tool used. BPI and body dissatisfaction did not differ significantly between FRS and VR. VR-based evaluation was correlated with the psychometric parameters BID and body dissatisfaction. Head tracking revealed significantly longer participant engagement with avatars representing malnutrition and underweight states, while those least engaged corresponded to obesity.

Conclusions

Results of BID evaluation by VR standardized 3D avatars are comparable to those obtained by paper-based FRS. These findings suggest that comparable results obtained by both tools of evaluation reflect primarily the role of affective-cognitive perturbation in BID. The perceptive component could be better evaluated using biometric-enhanced assessment tools.

Level of evidence

Level V, cross-sectional descriptive study (evaluation data retrospectively studied).

Keywords

Anorexia nervosa Body image evaluation Virtual reality Body image disorder Adolescent 

Notes

Acknowledgements

Thanks to C2Care for the realization of the software.

Compliance with ethical standards

Conflict of interest

On behalf of all the authors, the corresponding author states that there is no conflict of interest.

Ethical approval

All the procedures performed in this study involving human participants were in accordance with the 1964 Helsinki Declaration and its later amendments. This research received approval from the Est I persons protection committee (Comité de Protection des Personnes-CPP EST I, N°2017/57), December 14th, 2017, and the French national agency for drug safety (Agence Nationale du Médicament et des Produits de Santé), December 07th, 2017.

Informed consent

Informed consent was obtained from all individual participants included in the study and their parents.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Child and Adolescent Psychopathology UnitSalvator University Hospital, Public Assistance-Marseille Hospitals, Aix-Marseille UniversityMarseilleFrance
  2. 2.Pole of Endocrinology, Nutrition, Diabetes and ObesityConception University Hospital, Aix-Marseille University, Public Assistance-Marseille HospitalsMarseilleFrance
  3. 3.Institute of Neuroscience TimoneCNRS, Aix-Marseille UniversityMarseilleFrance

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