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.
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).
  
  
  METHODS
  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.
  
  
  CONCLUSIONS
  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.
authors.affiliation: Section of Eating Disorders, Psychological Medicine, King's College London, Institute of Psychiatry, London, UK. Electronic address: valentina.cardi@kcl.ac.uk.
authors.forename: Valentina
authors.initials: V
authors.lastname: Cardi
authors.affiliation: Section of Eating Disorders, Psychological Medicine, King's College London, Institute of Psychiatry, London, UK.
authors.forename: Mirko
authors.initials: M
authors.lastname: Esposito
authors.affiliation: Section of Eating Disorders, Psychological Medicine, King's College London, Institute of Psychiatry, London, UK.
authors.forename: Ariana
authors.initials: A
authors.lastname: Clarke
authors.affiliation: Section of Eating Disorders, Psychological Medicine, King's College London, Institute of Psychiatry, London, UK.
authors.forename: Sylvia
authors.initials: S
authors.lastname: Schifano
authors.affiliation: Section of Eating Disorders, Psychological Medicine, King's College London, Institute of Psychiatry, London, UK.
authors.forename: Janet
authors.initials: J
authors.lastname: Treasure
mesh_terms: D000293:Adolescent; D000328:Adult; D000339:Affect; D000856:Anorexia Nervosa / Q000523:psychology*; D052018:Bulimia Nervosa / Q000523:psychology*; D018592:Cross-Over Studies; D004644:Emotions; D005247:Feeding Behavior / Q000523:psychology*; D005260:Female; D006801:Humans; D062407:Meals; D011795:Surveys and Questionnaires; D016896:Treatment Outcome; D055815:Young Adult
keywords: Attentional bias; Eating disorders; Memory bias; Mood; Test-meal