Altered Decision-Making under Risk in Obesity
Publication Date
June 03, 2016
Journal
PLOS ONE
Authors
Juan F. Navas, Raquel Vilar López, José C. Perales, Trevor Steward, et al
Volume
11
Issue
6
Pages
e0155600
DOI
https://dx.plos.org/10.1371/journal.pone.0155600
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0155600
Scopus
84973644312
Mendeley
http://www.mendeley.com/research/altered-decisionmaking-under-risk-obesity
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Mendeley | Further Information

{"title"=>"Altered decision-making under risk in obesity", "type"=>"journal", "authors"=>[{"first_name"=>"Juan F.", "last_name"=>"Navas", "scopus_author_id"=>"56235760000"}, {"first_name"=>"Raquel", "last_name"=>"Vilar-L�pez", "scopus_author_id"=>"12779975600"}, {"first_name"=>"Jos� C.", "last_name"=>"Perales", "scopus_author_id"=>"57201170867"}, {"first_name"=>"Trevor", "last_name"=>"Steward", "scopus_author_id"=>"24172020400"}, {"first_name"=>"Fernando", "last_name"=>"Fern�ndez-Aranda", "scopus_author_id"=>"57201104007"}, {"first_name"=>"Antonio", "last_name"=>"Verdejo-Garc�a", "scopus_author_id"=>"6506946174"}], "year"=>2016, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "scopus"=>"2-s2.0-84973644312", "pui"=>"610615735", "doi"=>"10.1371/journal.pone.0155600", "sgr"=>"84973644312", "pmid"=>"27257888"}, "id"=>"2f6a2156-8514-3e9d-988d-5b84fd825907", "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 socio-economic status, and were screened for comorbid medical and mental health conditions. Decision-making under risk was measured via the Wheel of Fortune Task (WoFT) and decision-making under ambiguity via the Iowa Gambling Task (IGT). Reward sensitivity was indicated by the Sensitivity to Punishment and Sensitivity to Reward Questionnaire (SPSRQ). RESULTS Individuals with obesity made riskier choices in the WoFT, specifically in choices with an expected value close to zero and in the propensity to risk index. No differences were found in IGT performance or SPSRQ scores. BMI was associated with risk-taking (WoFT performance), independently of reward sensitivity. CONCLUSIONS Obesity is linked to a propensity to make risky decisions in experimental conditions analogous to everyday food choices.", "link"=>"http://www.mendeley.com/research/altered-decisionmaking-under-risk-obesity", "reader_count"=>35, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Professor > Associate Professor"=>3, "Researcher"=>7, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>9, "Student > Postgraduate"=>1, "Student > Master"=>4, "Other"=>2, "Student > Bachelor"=>3, "Professor"=>3}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Professor > Associate Professor"=>3, "Researcher"=>7, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>9, "Student > Postgraduate"=>1, "Student > Master"=>4, "Other"=>2, "Student > Bachelor"=>3, "Professor"=>3}, "reader_count_by_subject_area"=>{"Unspecified"=>5, "Nursing and Health Professions"=>1, "Biochemistry, Genetics and Molecular Biology"=>1, "Medicine and Dentistry"=>2, "Agricultural and Biological Sciences"=>1, "Neuroscience"=>6, "Psychology"=>17, "Social Sciences"=>2}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>2}, "Neuroscience"=>{"Neuroscience"=>6}, "Social Sciences"=>{"Social Sciences"=>2}, "Psychology"=>{"Psychology"=>17}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>1}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Unspecified"=>{"Unspecified"=>5}}, "reader_count_by_country"=>{"Spain"=>1}, "group_count"=>4}

Scopus | Further Information

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