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  Incidental rewarding cues influence economic decisions in people with obesity

Simmank, J., Murawski, C., Bode, S., & Horstmann, A. (2015). Incidental rewarding cues influence economic decisions in people with obesity. Frontiers in Behavioral Neuroscience, 9: 278. doi:10.3389/fnbeh.2015.00278.

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 Urheber:
Simmank, Jakob1, 2, Autor           
Murawski, Carsten3, Autor
Bode, Stefan4, Autor
Horstmann, Annette1, 2, 5, Autor           
Affiliations:
1Integrated Research and Treatment Center Adiposity Diseases, University of Leipzig, Germany, ou_persistent22              
2Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_634549              
3Department of Finance, Faculty of Business and Economics, University of Melbourne, Australia, ou_persistent22              
4Decision Neuroscience Laboratory, Melbourne School of Psychological Sciences, University of Melbourne, Australia, ou_persistent22              
5Collaborative Research Center Obesity Mechanisms, Institute of Biochemistry, University of Leipzig, Germany, ou_persistent22              

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Schlagwörter: Inter-temporal decision-making; Obesity; Priming; Delay discounting; Gender; Eating behavior; Decision-making
 Zusammenfassung: Recent research suggests that obesity is linked to prominent alterations in learning and decision-making. This general difference may also underlie the preference for immediately consumable, highly palatable but unhealthy and high-calorie foods. Such poor food-related inter-temporal decision-making can explain weight gain; however, it is not yet clear whether this deficit can be generalized to other domains of inter-temporal decision-making, for example financial decisions. Further, little is known about the stability of decision-making behavior in obesity, especially in the presence of rewarding cues. To answer these questions, obese and lean participants (n = 52) completed two sessions of a novel priming paradigm including a computerized monetary delay discounting task. In the first session, general differences between groups in financial delay discounting were measured. In the second session, we tested the general stability of discount rates. Additionally, participants were primed by affective visual cues of different contextual categories before making financial decisions. We found that the obese group showed stronger discounting of future monetary rewards than the lean group, but groups did not differ in their general stability between sessions nor in their sensitivity toward changes in reward magnitude. In the obese group, a fast decrease of subjective value over time was directly related to a higher tendency for opportunistic eating. Obese in contrast to lean people were primed by the affective cues, showing a sex-specific pattern of priming direction. Our findings demonstrate that environments rich of cues, aiming at inducing unhealthy consumer decisions, can be highly detrimental for obese people. It also underscores that obesity is not merely a medical condition but has a strong cognitive component, meaning that current dietary and medical treatment strategies may fall too short.

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Sprache(n): eng - English
 Datum: 2015-07-132015-09-282015-10-15
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.3389/fnbeh.2015.00278
PMID: 26528158
PMC: PMC4606016
Anderer: eCollection 2015
 Art des Abschluß: -

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Titel: Frontiers in Behavioral Neuroscience
  Kurztitel : Front Behav Neurosci
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 9 Artikelnummer: 278 Start- / Endseite: - Identifikator: Anderer: 1662-5153
CoNE: https://pure.mpg.de/cone/journals/resource/1662-5153