4.7 Article

Attentional Bias Modification Training Based on Virtual Reality and Eye Tracking in Anorexia Nervosa Patients

Journal

JOURNAL OF CLINICAL MEDICINE
Volume 12, Issue 18, Pages -

Publisher

MDPI
DOI: 10.3390/jcm12185932

Keywords

anorexia nervosa; attentional bias modification; body dissatisfaction

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The efficacy of a novel body-related attentional bias modification task (ABMT), combining virtual reality and eye tracking, was assessed in anorexia nervosa (AN) patients. The findings showed that ABMT significantly reduced attentional bias towards weight-related body areas and decreased body dissatisfaction levels in these patients. These results have important clinical implications for the treatment of AN.
Anorexia nervosa (AN) patients exhibit attentional bias (AB) related to the body, which is the tendency to pay greater attention to weight-related body areas compared to non-weight-related ones. This phenomenon has been linked to elevated levels of body dissatisfaction (BD) and may potentially reduce the effectiveness of body exposure therapy. The purpose of this pilot study is to assess the efficacy of a single session of a new body-related AB modification task (ABMT) that combines virtual reality with eye tracking in patients with AN. The goals of the ABMT are to reduce body-related AB by balancing attention between weight and non-weight-related body areas and to reduce BD levels. Twenty-three adolescent patients with AN were embodied in a virtual avatar and immersed in a virtual environment where they completed the ABMT. Body-related AB measures and BD levels were assessed before and after the training. A paired samples t-test showed statistically significant differences between pre-assessment and post-assessment; the complete fixation time on weight-related body parts was reduced and BD levels decreased. The initial evidence of the efficacy of this ABMT has important clinical implications, since AB and BD are considered risk factors for developing and maintaining eating disorder symptomatology among patients with AN.

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