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West Ashley Library
9 a.m. – 7 p.m.
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Measuring Cognitive Flexibility with the Flexible Item Selection Task: From fMRI Adaptation to Individual Connectome Mapping.
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- Author(s): Dajani, Dina R.1 (AUTHOR); Odriozola, Paola2 (AUTHOR); Winters, Melanie1 (AUTHOR); Voorhies, Willa3 (AUTHOR); Marcano, Selene1 (AUTHOR); Baez, Adriana1 (AUTHOR); Gates, Kathleen M.4 (AUTHOR); Dick, Anthony Steven5 (AUTHOR); Uddin, Lucina Q.1,6 (AUTHOR)
- Source:
Journal of Cognitive Neuroscience. Jun2020, Vol. 32 Issue 6, p1026-1045. 20p. 2 Color Photographs, 1 Diagram, 3 Charts, 3 Graphs.- Subject Terms:
- Source:
- Additional Information
- Abstract: Cognitive flexibility, the ability to appropriately adjust behavior in a changing environment, has been challenging to operationalize and validate in cognitive neuroscience studies. Here, we investigate neural activation and directed functional connectivity underlying cognitive flexibility using an fMRI-adapted version of the Flexible Item Selection Task (FIST) in adults (n = 32, ages 19–46 years). The fMRI-adapted FIST was reliable, showed comparable performance to the computer-based version of the task, and produced robust activation in frontoparietal, anterior cingulate, insular, and subcortical regions. During flexibility trials, participants directly engaged the left inferior frontal junction, which influenced activity in other cortical and subcortical regions. The strength of intrinsic functional connectivity between select brain regions was related to individual differences in performance on the FIST, but there was also significant individual variability in functional network topography supporting cognitive flexibility. Taken together, these results suggest that the FIST is a valid measure of cognitive flexibility, which relies on computations within a broad corticosubcortical network driven by inferior frontal junction engagement. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Journal of Cognitive Neuroscience is the property of MIT Press and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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