Model-based lesion mapping of cognitive control using the Wisconsin Card Sorting Test

Jan Gläscher (), Ralph Adolphs and Daniel Tranel
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Jan Gläscher: University Medical Center Hamburg-Eppendorf
Ralph Adolphs: Caltech
Daniel Tranel: University of Iowa

Nature Communications, 2019, vol. 10, issue 1, 1-12

Abstract: Abstract The role of the frontal lobes in cognition and behavior has long been enigmatic. Over the past decade, computational models have provided a powerful approach to understanding cognition and decision-making. Here, we used a model-based approach to analyze data from a classical task used to assess frontal lobe function, the Wisconsin Card Sorting Test. We applied computational modeling and voxel-based lesion-symptom mapping in 328 patients with focal lesions, to uncover cognitive processes and neural correlates of test scores. Our results reveal that lesions in the right prefrontal cortex are associated with elevated perseverative errors and reductions in the model parameter of sensitivity to punishment. These findings indicate that the capacity to flexibly switch between task sets requires the detection of contingency changes, which are enabled by a sensitivity to punishment that reduces perseverative errors. We demonstrate the power of model-based approaches in understanding patterns of deficits on classical neuropsychological tasks.

Date: 2019
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DOI: 10.1038/s41467-018-07912-5

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