Emotional facets of impulsivity in eating disorders

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Emotional and non-emotional facets of impulsivity in eating disorders: From anorexia nervosa to bulimic spectrum disorders.

Abstract
OBJECTIVE: Impulsivity and difficulties in regulating emotions are considered to be transdiagnostic characteristics of patients with eating disorders (EDs). The study aimed to investigate trait impulsivity and inhibitory components of impulsivity, related or unrelated to emotions in patients with EDs.
METHOD: A total of 17 patients with anorexia nervosa (AN), 16 patients with bulimic-spectrum EDs (BSD) and 20 healthy control (HC) participants completed an impulsivity scale (UPPS-P) before performing an emotional inhibitory control task during electroencephalography (EEG) acquisition.
RESULTS: Higher trait impulsivity in EDs than HC (with higher scores among BSD patients) was observed. However, no differences in behavioural measures or neural indexes [event-related potential (ERP)] of emotional and non-emotional inhibitory control were observed between patients and HC.
CONCLUSION: The present results highlighted negative urgency, an impulsive personality trait related to emotions, as a common feature of AN and BSD. Lack of perseverance, a trait which is less related to emotions, specifically characterises patients with BSD. On the other hand, behavioural and ERP data did not show altered inhibitory control in EDs, for either general or emotional-related response inhibition.

PMID: 32212204 [PubMed – as supplied by publisher]

Eur Eat Disord Rev. 2020 Mar 24;:

Authors: Mallorquí-Bagué N, Testa G, Lozano-Madrid M, Vintró-Alcaraz C, Sánchez I, Riesco N, Granero R, Perales JC, Navas JF, Megías-Robles A, Martínez-Zalacaín I, Veciana de Las Heras M, Jiménez-Murcia S, Fernández-Aranda F

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