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  • Title: The impact of induced positive mood on symptomatic behaviour in eating disorders. An experimental, AB/BA crossover design testing a multimodal presentation during a test-meal.
    Author: Cardi V, Esposito M, Clarke A, Schifano S, Treasure J.
    Journal: Appetite; 2015 Apr; 87():192-8. PubMed ID: 25555537.
    Abstract:
    OBJECTIVE: The aim of this study was to test the impact of a multimodal positive mood vodcast including pleasant images, background uplifting music and a script designed to elicit positive mood on eating disorders-related symptoms in participants suffering from an Eating Disorder (ED) and healthy controls (HCs). METHOD: Forty-two women with an ED (Anorexia Nervosa [AN]: N = 19; Bulimia Nervosa [BN]: N = 23) and 36 HCs were included in an AB/BA cross-over design which compared the use of a positive mood induction procedure ("positive mood vodcast") with a control condition (i.e. blue static background, neutral music, and script describing objective facts) during a test-meal. Self-report measures and behavioural tasks were completed before and after the test-meal. RESULTS: The positive mood vodcast was associated with greater consumption of the test meal in the AN group; reduced vigilance to food stimuli and lower anxiety in the BN sample; and no significant changes in the HC group. DISCUSSION: The use of a positive mood vodcast was associated with some beneficial effects in the context of an experimental test-meal in participants with an ED.
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