Is there a recovery of decision-making function after frontal lobe damage? A study using alternative versions of the Iowa Gambling Task

Lin Xiao; Samantha M. W Wood; Natalie L Denburg; Georgina L Moreno; Michael Hernandez; Antoine Bechara

doi:10.1080/13803395.2013.789484

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Is there a recovery of decision-making function after frontal lobe damage? A study using alternative versions of the Iowa Gambling Task

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Is there a recovery of decision-making function after frontal lobe damage? A study using alternative versions of the Iowa Gambling Task

Lin Xiao, Samantha M. W Wood, Natalie L Denburg, Georgina L Moreno, Michael Hernandez and Antoine Bechara

Journal of clinical and experimental neuropsychology, Vol.35(5), pp.518-529

06/01/2013

DOI: 10.1080/13803395.2013.789484

PMCID: PMC3686292

PMID: 23701308

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Abstract

In a previous study, we examined whether frontal patients with impaired decision making on the Iowa Gambling Task (IGT) would recover over time if retested on the IGT. However, a major limitation of repeated administration of the IGT is practice effects, where control participants show improvement with retesting. Therefore, the primary goal of this study was to design two alternative versions of the IGT to eliminate practice effects. We found that control participants did not show improvement in performance across the different versions of the task, thus reflecting success in our attempt to design alternative versions of the IGT. Compared to control participants, patients with damage to the ventromedial prefrontal cortex (vmPFC) performed worse on all three versions of the IGT, even after controlling for age, sex, and education. The development of alternative versions of the IGT provides a valuable tool for clinicians and researchers to utilize the IGT as a way to track how the decision-making abilities of patients change over time. Additionally, these results are consistent with findings from the original studies using the IGT with patients with damage to the vmPFC, which showed that decision-making impairments do not recover over time.

Functional recovery

Prefrontal cortex

Iowa Gambling Task

Decision making

Practice effects

Details

Title: Subtitle: Is there a recovery of decision-making function after frontal lobe damage? A study using alternative versions of the Iowa Gambling Task
Creators: Lin Xiao - Brain and Creativity Institute and Department of Psychology , University of Southern California
Samantha M. W Wood - Brain and Creativity Institute and Department of Psychology , University of Southern California
Natalie L Denburg - Department of Neurology , University of Iowa
Georgina L Moreno - Department of Neurology , University of Iowa
Michael Hernandez - Department of Neurology , University of Iowa
Antoine Bechara - Department of Neurology , University of Iowa
Resource Type: Journal article
Publication Details: Journal of clinical and experimental neuropsychology, Vol.35(5), pp.518-529
DOI: 10.1080/13803395.2013.789484
PMID: 23701308
PMCID: PMC3686292
NLM abbreviation: J Clin Exp Neuropsychol
ISSN: 1380-3395
eISSN: 1744-411X
Publisher: Taylor & Francis Group
Language: English
Date published: 06/01/2013
Academic Unit: Neurology; Psychological and Brain Sciences; Iowa Neuroscience Institute
Record Identifier: 9984070863102771

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