2012
DOI: 10.1186/1744-859x-11-25
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Poor performance on the Iowa gambling task in children with obsessive-compulsive disorder

Abstract: BackgroundSeveral lines of evidence implicate orbitofrontal cortex dysfunction in the pathophysiology of obsessive-compulsive disorder (OCD). The purpose of this study was to investigate neuropsychological dysfunction of the orbitofrontal cortex in children with OCD.MethodsThe Iowa Gambling Task (IGT), which reflects orbitofrontal cortex function, and the Wisconsin Card Sorting Test (WCST), which is associated with functioning of the dorsolateral prefrontal cortex, were administered to 22 children with OCD and… Show more

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Cited by 27 publications
(34 citation statements)
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“…The behavioral deficits that occurred in the SOC group are also supported by some IGT studies in OCD patients [42], [43]. The reinforcement learning theory states that the FRN indexes an evaluative signal that depends on outcome valence and outcome expectancy whereby larger FRN precede behavioral adjustments [76].…”
Section: Discussionmentioning
confidence: 67%
“…The behavioral deficits that occurred in the SOC group are also supported by some IGT studies in OCD patients [42], [43]. The reinforcement learning theory states that the FRN indexes an evaluative signal that depends on outcome valence and outcome expectancy whereby larger FRN precede behavioral adjustments [76].…”
Section: Discussionmentioning
confidence: 67%
“…Decision making impairment is a diagnostic feature of symptomatic patients with OCD, as shown by our patients in the acute phases of OCD. Similarly, children with OCD in symptomatic phase perform poorly on the IGT 47 . The remitted patients with OCD in our study also exhibit difficulties in decision making measured by the IGT, which is in accordance with previous studies of decision making deficits assessed with this method 6 14 15 39 48 , and with the Cambridge Gamble Task 9 in symptomatic patients.…”
Section: Discussionmentioning
confidence: 99%
“…However, a recent study based on large groups indicates that impaired decision-making might be a key feature in OCD (da Rocha et al 2011) and already present in childhood (Kodaira et al 2012). More consistent deficits have been found in reversal learning and response cost paradigms: patients with OCD persist in their response strategy in spite of changed reward contingencies (Chamberlain et al 2008; Remijnse et al 2006), or with the risk of smaller gains (Chamberlain et al 2007).…”
Section: Neuropsychological Aspects In Ocd and Adhdmentioning
confidence: 99%