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The Iowa gambling task as a measure of decision making in women with bulimia nervosa

Published online by Cambridge University Press:  08 September 2006

ABBE GAYLE BOEKA  and
KRISTINE LEE LOKKEN
ABBE GAYLE BOEKA
Affiliation:
Department of Clinical Psychology, University of Alabama, Tuscaloosa, Alabama
KRISTINE LEE LOKKEN
Affiliation:
Department of Psychiatric Medicine, University of Alabama at Birmingham, Birmingham, Alabama
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Abstract

Persistent chaotic feeding behavior (i.e., bingeing and purging), despite consequent adverse health and psychosocial consequences, is central to the definition and diagnosis of bulimia nervosa (BN). Repeatedly choosing immediate short-term gratification when long-term consequences are deleterious may reflect deficits in decision-making ability. However, to date, there has been no systematic examination of decision-making ability in individuals diagnosed with BN. In the present study, 20 undergraduate women with minimal bulimic symptoms (Control Group) and 20 with a diagnosis of BN (BN Group) were administered the Iowa Gambling Task (GT). Results indicated that the BN Group performed significantly worse on the GT in comparison to the Control Group and GT performance was negatively correlated with bulimic symptomatology. The presence of BN symptoms also predicted GT performance above and beyond demographic variables and depressive symptoms. These findings provide evidence for the presence of decision-making deficits in individuals with BN (JINS, 2006, 12, 741–745.)

Keywords

Eating disordersBulimia nervosaCognitionNeuropsychologyAssessmentChoice behavior
Type
BRIEF COMMUNICATIONS
Information
Journal of the International Neuropsychological Society , Volume 12 , Issue 5 , September 2006 , pp. 741 - 745
Copyright
© 2006 The International Neuropsychological Society

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