Abstract <p>We measured decision-making impairments, a cornerstone symptom of addictive/eating disorders, in food and alcohol disturbance (FAD). Forty-five University students presenting FAD (35 females, mean age:&#xa0;18.42yo) and 45 matched non-FAD individuals (33 females, mean age: 18.24yo) performed the Iowa Gambling Task (IGT), measuring decision-making under uncertainty/risk. We compared individuals&#xa0;with/without FAD, but also two subtypes of FAD, namely alcohol-compensation (FAD-COM) and alcohol-enhancement (FAD-ENH) behaviors. Individuals&#xa0;with FAD showed preserved decision-making when compared to individuals without FAD [F(1,88) = 2.05;p = .156]. However, a contrast emerged between preserved decision-making in FAD-COM [F(1,73) &lt; 2.44,&#xa0;p &gt; .122 for all IGT indexes] and biased decision-making in FAD-ENH, as shown by altered results on three variables indexing the ability to develop efficient strategies throughout the IGT [F(1,73) &gt; 4.40;&#xa0;p &lt; .040]. FAD is not globally associated with decision-making deficits, but individuals restricting caloric intakes to enhance alcohol intoxication present marked decision-making difficulties. The unitary approach of FAD should thus be overcome to explore the cognitive correlates of the distinct profiles it encompasses.</p> <b>Highlights</b> <p><UnorderedList Mark="Bullet"> <ItemContent> <p>We measured decision-making in FAD using the Iowa Gambling Task in 90 adults.</p> </ItemContent> <ItemContent> <p>FAD as a whole is not associated with decision-making deficits.</p> </ItemContent> <ItemContent> <p>FAD individuals with alcohol-enhancement motives present reduced IGT performance.</p> </ItemContent> </UnorderedList></p>

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Decision-Making Deficits Among Young Adults With Food and Alcohol Disturbance: Insights From The Iowa Gambling Task

  • Pierre Maurage,
  • Samuel Suarez-Suarez,
  • Nicolas Mauny,
  • Charlotte Montcharmont,
  • Hélène Beaunieux,
  • Ludivine Ritz

摘要

Abstract

We measured decision-making impairments, a cornerstone symptom of addictive/eating disorders, in food and alcohol disturbance (FAD). Forty-five University students presenting FAD (35 females, mean age: 18.42yo) and 45 matched non-FAD individuals (33 females, mean age: 18.24yo) performed the Iowa Gambling Task (IGT), measuring decision-making under uncertainty/risk. We compared individuals with/without FAD, but also two subtypes of FAD, namely alcohol-compensation (FAD-COM) and alcohol-enhancement (FAD-ENH) behaviors. Individuals with FAD showed preserved decision-making when compared to individuals without FAD [F(1,88) = 2.05;p = .156]. However, a contrast emerged between preserved decision-making in FAD-COM [F(1,73) < 2.44, p > .122 for all IGT indexes] and biased decision-making in FAD-ENH, as shown by altered results on three variables indexing the ability to develop efficient strategies throughout the IGT [F(1,73) > 4.40; p < .040]. FAD is not globally associated with decision-making deficits, but individuals restricting caloric intakes to enhance alcohol intoxication present marked decision-making difficulties. The unitary approach of FAD should thus be overcome to explore the cognitive correlates of the distinct profiles it encompasses.

Highlights

We measured decision-making in FAD using the Iowa Gambling Task in 90 adults.

FAD as a whole is not associated with decision-making deficits.

FAD individuals with alcohol-enhancement motives present reduced IGT performance.