publication . Article . 2020

Mood-induced changes in the cortical processing of food images in bulimia nervosa

Annika Lutz; Angelika Dierolf; Zoé Van Dyck; Claudio Georgii; Rebekka Schnepper; Jens Blechert; Claus Vögele;
Open Access
  • Published: 16 Oct 2020 Journal: Addictive Behaviors, volume 113, page 106,712 (issn: 0306-4603, Copyright policy)
  • Publisher: Elsevier BV
  • Country: Luxembourg
Abstract
Background: Negative mood often triggers binge eating in bulimia nervosa (BN). We investigated motivational salience as a possible underlying mechanism using event-related potentials (ERPs) as indicators of motivated attention allocation (P300) and sustained processing (LPP). Methods: We collected ERPs (P300: 350–400 ms; LPP: 600–1000 ms) from 21 women with full-syndrome or partially remitted BN and 21 healthy women (HC), matched for age and body mass index. Idiosyncratic negative and neutral situations were used to induce corresponding mood states (counterbalanced), before participants viewed images of high- and low-calorie foods and neutral objects, and provid...
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Subjects
Medical Subject Headings: behavioral disciplines and activities
free text keywords: Toxicology, Medicine (miscellaneous), Clinical Psychology, Psychiatry and Mental health, Bulimia nervosa, Emotional eating, EEG-ERP, P300, LPP, Mood induction, : Neurosciences & behavior [H07] [Social & behavioral sciences, psychology], : Neurosciences & comportement [H07] [Sciences sociales & comportementales, psychologie], : Treatment & clinical psychology [H13] [Social & behavioral sciences, psychology], : Traitement & psychologie clinique [H13] [Sciences sociales & comportementales, psychologie], : Psychiatry [D21] [Human health sciences], : Psychiatrie [D21] [Sciences de la santé humaine], Binge eating, medicine.symptom, medicine, Mood induction, Clinical psychology, Bulimia nervosa, medicine.disease, Emotional eating, Body mass index, Cognitive resource theory, Mood, Disinhibition, Psychology
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