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Articles, Behavioral/Systems/Cognitive

Global Connectivity of Prefrontal Cortex Predicts Cognitive Control and Intelligence

Michael W. Cole, Tal Yarkoni, Grega Repovš, Alan Anticevic and Todd S. Braver
Journal of Neuroscience 27 June 2012, 32 (26) 8988-8999; https://doi.org/10.1523/JNEUROSCI.0536-12.2012
Michael W. Cole
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Tal Yarkoni
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Grega Repovš
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Alan Anticevic
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Todd S. Braver
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Abstract

Control of thought and behavior is fundamental to human intelligence. Evidence suggests a frontoparietal brain network implements such cognitive control across diverse contexts. We identify a mechanism—global connectivity—by which components of this network might coordinate control of other networks. A lateral prefrontal cortex (LPFC) region's activity was found to predict performance in a high control demand working memory task and also to exhibit high global connectivity. Critically, global connectivity in this LPFC region, involving connections both within and outside the frontoparietal network, showed a highly selective relationship with individual differences in fluid intelligence. These findings suggest LPFC is a global hub with a brainwide influence that facilitates the ability to implement control processes central to human intelligence.

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The Journal of Neuroscience: 32 (26)
Journal of Neuroscience
Vol. 32, Issue 26
27 Jun 2012
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Global Connectivity of Prefrontal Cortex Predicts Cognitive Control and Intelligence
Michael W. Cole, Tal Yarkoni, Grega Repovš, Alan Anticevic, Todd S. Braver
Journal of Neuroscience 27 June 2012, 32 (26) 8988-8999; DOI: 10.1523/JNEUROSCI.0536-12.2012

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Global Connectivity of Prefrontal Cortex Predicts Cognitive Control and Intelligence
Michael W. Cole, Tal Yarkoni, Grega Repovš, Alan Anticevic, Todd S. Braver
Journal of Neuroscience 27 June 2012, 32 (26) 8988-8999; DOI: 10.1523/JNEUROSCI.0536-12.2012
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