Journal article

Delay Discounting of Reward and Impulsivity in Eating Disorders: From Anorexia Nervosa to Binge Eating Disorder

Trevor Steward, Gemma Mestre-Bach, Cristina Vintro-Alcaraz, Zaida Aguera, Susana Jimenez-Murcia, Roser Granero, Fernando Fernandez-Aranda



Evidence points to eating disorder patients displaying altered rates of delay discounting (one's degree of preference for immediate rewards over larger delayed rewards). Anorexia nervosa (AN) patients are believed to have an increased capacity to delay reward, which reflects their ability to override the drive to eat. Contrarily, binge eating disorder (BED) patients are associated with a reduced predisposition to delay gratification. Here, we investigated monetary delay discounting and impulsivity in 80 adult women with EDs (56 AN and 24 BED), diagnosed according to Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition criteria, and 80 healthy controls. AN-restrictive (AN-R) s..

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Awarded by Instituto de Salud Carlos III (ISCIII)

Awarded by Ministerio de Economia y Competitividad

Awarded by AGAUR predoctoral grant

Funding Acknowledgements

This manuscript and research were supported by grants from Instituto de Salud Carlos III (ISCIII) (FIS PI14/00290 and CIBERobn) and cofunded by FEDER funds/European Regional Development Fund (ERDF), a way to build Europe. CIBERobn is an initiative of ISCIII. This work was also supported by the Ministerio de Economia y Competitividad (PSI2015-68701-R). GMB is supported by an AGAUR predoctoral grant (2016FI_B 00568).