{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T06:15:42Z","timestamp":1790662542809,"version":"4.1.0"},"reference-count":38,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2017,4,21]],"date-time":"2017-04-21T00:00:00Z","timestamp":1492732800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Obesity Reviews"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:title>Summary<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>There is evidence that obesity is associated with impairments in executive functions, such as deficits in decision\u2010making, planning or problem solving, which might interfere with weight loss in obese individuals. We performed a systematic review and meta\u2010analysis of decision\u2010making abilities, as measured with the Iowa gambling task (IGT), in obesity without eating disorders.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A systematic search was conducted to identify studies comparing IGT performances between groups of obese patients without eating disorders and groups of healthy control groups. The standardized mean differences were calculated for the total IGT scores and for the course of IGT scores. Meta\u2010regression analyses were performed to explore the influence of clinical variables on standardized mean differences.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Total IGT scores were significantly lower in obese patients compared with normal\u2010weight healthy controls. IGT performances did not differ between groups for the first trials of the task. Significant effect sizes for the last trials of the task were subjected to a high degree of heterogeneity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Risky decision\u2010making is impaired in obesity. The clinical importance of non\u2010food\u2010related decision\u2010making impairments remains to be assessed especially in terms of consequences in daily life or the achievement of weight loss.<\/jats:p><jats:p>This meta\u2010analysis has been registered in the Prospero database (CRD42016037533).<\/jats:p><\/jats:sec>","DOI":"10.1111\/obr.12549","type":"journal-article","created":{"date-parts":[[2017,4,21]],"date-time":"2017-04-21T05:42:58Z","timestamp":1492753378000},"page":"936-942","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":38,"title":["Decision\u2010making in obesity without eating disorders: a systematic review and meta\u2010analysis of Iowa gambling task performances"],"prefix":"10.1111","volume":"18","author":[{"given":"J.\u2010Y.","family":"Rotge","sequence":"first","affiliation":[{"name":"Service de Psychiatrie d'Adultes AP\u2010HP, Groupe Hospitalier Piti\u00e9\u2010Salp\u00eatri\u00e8re  Paris 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