Global Connectivity of Prefrontal Cortex Predicts Cognitive Control and Intelligence

Overview

Journal J Neurosci

Specialty Neurology

Date 2012 Jun 30

PMID 22745498

Citations 304

Authors

Michael W Cole

Tal Yarkoni

Grega Repovs

Alan Anticevic

Todd S Braver

Affiliations

Soon will be listed here.

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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