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The Relationship Between Resting State Network Connectivity and Individual Differences in Executive Functions.

Andrew E Reineberg1,2, Daniel E Gustavson3, Chelsie Benca4

  • 1Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO, United States.

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Summary

Executive function (EF) abilities are linked to brain network connectivity. Shifting-specific EF, but not general EF, correlates with distinct patterns of brain network activity, specifically between attention and default networks.

Keywords:
executive functionfMRIfunctional connectivitynetworksresting-state

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Brain Imaging

Background:

  • Brain networks like the frontoparietal, attention, and default networks support cognitive functions.
  • Individual differences in brain network correlations during rest (resting-state fMRI) reflect variations in cognitive abilities.
  • Previous research suggests cognitive performance is associated with anti-correlation between frontoparietal/attention and default networks.

Purpose of the Study:

  • To investigate the specific relationships between distinct components of executive function (EF) and brain network connectivity.
  • To examine if Shifting-specific EF and Updating-specific EF show unique connectivity patterns, beyond general EF (Common EF).

Main Methods:

  • Decomposed executive function into Common EF, Shifting-specific EF, and Updating-specific EF using factor scores from behavioral tasks.
  • Analyzed resting-state functional magnetic resonance imaging (fMRI) data from 250 adult participants.
  • Correlated EF factor scores with functional connectivity between predefined brain networks.

Main Results:

  • A negative correlation between the ventral attention network and the default network was specifically linked to Shifting-specific EF, after controlling for Common EF.
  • Individuals with higher Shifting-specific EF showed increased positive connectivity between frontoparietal and visual networks.
  • Higher Common EF was associated with increased connectivity between sensory and default networks.

Conclusions:

  • Executive function abilities exhibit specific relationships with brain network connectivity patterns.
  • Shifting-specific EF is uniquely associated with a negative correlation between the ventral attention and default networks.
  • These findings provide novel specificity regarding the neural underpinnings of executive functions.