Journal article

Altered Decision-Making under Risk in Obesity

Juan F Navas, Raquel Vilar-Lopez, Jose C Perales, Trevor Steward, Fernando Fernandez-Aranda, Antonio Verdejo-Garcia

PLOS ONE | PUBLIC LIBRARY SCIENCE | Published : 2016

Abstract

BACKGROUND: The negative consequences of energy dense foods are well known, yet people increasingly make unhealthy food choices leading to obesity (i.e., risky decisions). The aims of this study were: [1] to compare performance in decision-making tasks under risk and under ambiguity between individuals with obesity, overweight and normal weight; [2] to examine the associations between body mass index (BMI) and decision-making, and the degree to which these associations are modulated by reward sensitivity. METHODS: Seventy-nine adults were recruited and classified in three groups according to their BMI: obesity, overweight and normal-weight. Groups were similar in terms of age, education and ..

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Grants

Awarded by Andalusian Council of Innovation, Science and Industry


Awarded by Instituto de Salud Carlos III


Awarded by Spanish Ministry of Education, Culture and Sports, FPU Program


Awarded by Spanish Ministry of Economy and Competitiveness


Funding Acknowledgements

Research was funded by grants HUM-6635 (NEUROECOBE) from the Andalusian Council of Innovation, Science and Industry; RETICS from the Instituto de Salud Carlos III and co-funded by FEDER funds -a way to build Europe-; and "Translational discovery laboratory for brain mechanisms of food choice and obesity" from the Ian Potter Foundation to AVG. JFN was funded by a predoctoral fellowship of the Spanish Ministry of Education, Culture and Sports, FPU Program, (FP13/00669). JCP was funded by grant PSI2013-45055 (G-BRAIN) from the Spanish Ministry of Economy and Competitiveness. TS and FFA were funded by grants FIS PI14/00290; and CIBERobn from the Instituto de Salud Carlos III and co-funded by FEDER funds-a way to build Europe-.