Article2008

An examination of decision making in bulimia nervosa

Pei‐Chi Liao · Rudolf Uher · Natalia Lawrence · Janet L. Treasure · Ulrike H Schmidt · Iain C. Campbell +2 more

80 citations0/0 files storedJournal of Clinical and Experimental Neuropsychology

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Eating Disorders and Behaviors Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes Neural and Behavioral Psychology Studies

Abstract

BACKGROUND: Patients with eating disorders favor immediate gratification and ignore long-term negative consequences. This study investigated decision making in bulimia nervosa using the Iowa Gambling Task (IGT) and skin conductance responses (SCR). METHOD: A total of 26 bulimia nervosa patients and 51 healthy controls took part in this study; 29 patients with anorexia nervosa were included for comparison. RESULTS: Bulimia nervosa patients performed poorly in the IGT, but showed no decrease in anticipatory SCR, whereas a markedly diminished anticipatory SCR was seen in the anorexia nervosa group. CONCLUSIONS: This finding does not support the somatic marker hypothesis. Impaired decision making was associated with obsessive-compulsive traits.

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References

2013Diagnostic and Statistical Manual of Mental Disorders 1961An Inventory for Measuring Depression 2012Diagnostic and Statistical Manual of Mental Disorders 1995Factor structure of the barratt impulsiveness scale 1990The dimensions of perfectionism 2003Review of the prevalence and incidence of eating disorders 1990Functional and dysfunctional impulsivity: Personality and cognitive correlates.1998The validation of a new obsessive-compulsive disorder scale: The Obsessive-Compulsive Inventory.

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