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Individual Differences in the Accuracy of Judgments of Learning Are Related to the Gray Matter Volume and Functional Connectivity of the Left Mid-Insula

Hu, Xiao ; Liu, Zhaomin ; Chen, Wen ; Zheng, Jun ; Su, Ningxin ; Wang, Wenjing ; Lin, Chongde ; Luo, Liang

Frontiers in human neuroscience, 2017-08, Vol.11, p.399-399 [Peer Reviewed Journal]

Switzerland: Frontiers Research Foundation

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  • Title:
    Individual Differences in the Accuracy of Judgments of Learning Are Related to the Gray Matter Volume and Functional Connectivity of the Left Mid-Insula
  • Author: Hu, Xiao ; Liu, Zhaomin ; Chen, Wen ; Zheng, Jun ; Su, Ningxin ; Wang, Wenjing ; Lin, Chongde ; Luo, Liang
  • Subjects: Accuracy ; Brain mapping ; Brodmann's area ; Cerebellum ; Cortex (parietal) ; functional connectivity ; Functional magnetic resonance imaging ; gray matter volume ; insula ; Intraparietal sulcus ; judgments of learning ; Learning ; Memory ; Metacognition ; metamemory ; Neural networks ; Neuroimaging ; Neuropsychology ; Neuroscience ; Neurosciences ; NMR ; Nuclear magnetic resonance ; Parahippocampal gyrus ; Researchers ; Studies ; Substantia grisea ; Superior parietal lobule
  • Is Part Of: Frontiers in human neuroscience, 2017-08, Vol.11, p.399-399
  • Notes: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
    Edited by: Carol Seger, Colorado State University, United States
    Reviewed by: Anthony Joseph Ryals, University of North Texas, United States; Anne-Pascale Le Berre, Stanford University School of Medicine, United States
  • Description: The judgment of learning (JOL) is an important form of prospective metamemory judgment, and the biological basis of the JOL process is an important topic in metamemory research. Although previous task-related functional magnetic resonance imaging (MRI) studies have examined the brain regions underlying the JOL process, the neural correlates of individual differences in JOL accuracy require further investigation. This study used structural and resting-state functional MRI to investigate whether individual differences in JOL accuracy are related to the gray matter (GM) volume and functional connectivity of the bilateral insula and medial Brodmann area (BA) 11, which are assumed to be related to JOL accuracy. We found that individual differences in JOL accuracy were related to the GM volume of the left mid-insula and to the functional connectivity between the left mid-insula and various other regions, including the left superior parietal lobule/precuneus, bilateral inferior parietal lobule/intraparietal sulcus, right frontal pole and left parahippocampal gyrus/fusiform gyrus/cerebellum. Further analyses indicated that the functional connectivity related to individual differences in JOL accuracy could be divided into two factors and might support information integration and selective attention processes underlying accurate JOLs. In addition, individual differences in JOL accuracy were not related to the GM volume or functional connectivity of the medial BA 11. Our findings provide novel evidence for the role of the left mid-insula and its functional connectivity in the JOL process.
  • Publisher: Switzerland: Frontiers Research Foundation
  • Language: English
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