Abstract
Although frontal patients show impaired decision-making on the Iowa Gambling Task (IGT), there has been no follow-up study to date to determine whether there is recovery of function over time. We examined neurological participants' performance on repeated administrations of the IGT over the course of 6 years. We found that, while non-neurological participants showed considerable improvement due to practice effects on the IGT, patients with ventromedial prefrontal cortex (VMPFC) damage persisted in showing impaired performance on each retest. These results validate the clinical observations that VMPFC dysfunction does not appear to be subject to autonomous recovery over time in real-life. (JINS, 2012, 18, 1-4).
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