Anorexia, bulimia, and obesity: Shared decision making deficits on the Iowa Gambling Task (IGT)
Abstract
The pathological eating behaviors in Anorexia Nervosa (AN), Bulimia Nervosa (BN), and obesity are characterized by a preference for high immediate reward, despite higher future losses in terms of both physical and psychological outcomes. The present study compared the decision making profile of females with a diagnosis of AN (n = 22), BN (n = 17), obesity (n = 18), and a healthy weight comparison group (n = 20) using a standardized neuropsychological test, the Iowa Gambling Task (IGT). The three clinical groups (AN, BN, obesity) were significantly impaired on the IGT compared with the comparison group on both overall task performance and task learning; however, the three clinical groups were not significantly different from each other. Sixty-one percent to 77% of the clinical groups reached the threshold for impairment on the IGT, compared with 15% of the comparison group. The potential basis for this shared decision making profile is discussed. (JINS, 2010, 16, 711–715.)
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Studies of obese individuals have begun to show evidence of a preference for high immediate rewards despite an increased chance of higher future losses.
“However, studies performed with obese individuals have begun to uncover evidence of a preference for high, immediate rewards, despite an increased chance of suffering higher future losses (100,101).”
From Obesity and addiction: Neurobiological overlaps (2013) · cites this paper as [100]
The few studies performed with obese individuals have uncovered evidence of a preference for high, immediate rewards, despite an increased chance of suffering higher future losses.
“However, the few studies performed with obese individuals have also uncovered evidence of a preference for high, immediate rewards, despite an increased chance of suffering higher future losses (Brogan et al 2010;Weller et al 2008).”
From Food and Drug Reward: Overlapping Circuits in Human Obesity and Addiction (2011) · cites this paper as Brogan et al 2010
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- Authors
- BROGAN, A., HEVEY, D., & PIGNATTI, R.
- Affiliations
- Trinity College Dublin (IE)
- IRCCS Istituto Auxologico Italiano (IT)
- Corresponding author
- BROGAN, AMY
- Venue
- Journal of the International Neuropsychological Society
- Publisher
- Cambridge University Press (CUP)
- Published
- 2010-04-21
- Volume
- 16
- Issue
- 4
- Pages
- 711-715
- ISSN
- 1355-6177 (ISSN-L)
- 1469-7661
- OpenAlex
- W2160041570
- Cited by
- 153
- References
- 20
- Citations by year
- 2026: 3 · 2025: 4 · 2024: 4 · 2023: 3 · 2022: 7 · 2021: 12 · 2020: 9 · 2019: 8 · 2018: 7 · 2017: 11 · 2016: 11 · 2015: 12 · 2014: 18 · 2013: 13 · 2012: 16
- FWCI
- 15.41
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the International Neuropsychological Society (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Irish Research Council for the Humanities and Social Sciences
- Topics
- Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
- Keywords
- anorexia nervosa, bulimia nervosa, obesity, shared decision-making, Iowa Gambling Task, decision-making deficits, impulsivity, reward processing, task learning, neuropsychological deficits
- MeSH terms
- Adult, Anorexia, Bulimia, Cognition Disorders, Decision Making, Female, Humans, Neuropsychological Tests, Obesity, Young Adult
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