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Related Concept Videos

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High-Level and Low-Level Awareness

Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
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Related Experiment Video

Updated: May 27, 2026

Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy
12:09

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Published on: August 5, 2014

Connectivity gradients between the default mode and attention control networks.

Jeffrey S Anderson1, Michael A Ferguson, Melissa Lopez-Larson

  • 1Division of Neuroradiology, University of Utah, School of Medicine, Salt Lake City, Utah 84132, USA. andersonjeffs@gmail.com

Brain Connectivity
|November 15, 2011
PubMed
Summary

Brain networks show complex interactions during attention. Functional connectivity gradients between the default mode network and attention control network vary smoothly, revealing anticorrelated regions and age-related changes in network boundaries and integration.

Keywords:
anticorrelationsattention control networkdefault mode networkfcMRIfunctional connectivityresting statetask positive network

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Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Functional Neuroimaging

Background:

  • Reduced default mode network (DMN) activity occurs during attention-demanding tasks.
  • The precise neural circuitry for this DMN suppression is not fully understood.
  • Hypotheses include right anterior insula involvement and network reciprocal inhibition.

Purpose of the Study:

  • To investigate the functional connectivity between the default mode network and attention control network.
  • To map the spatial heterogeneity and developmental trajectory of inter-network relationships.

Main Methods:

  • Analysis of resting-state blood oxygen level dependent (BOLD) data from 1278 subjects across 26 sites.
  • Construction of whole-brain functional connectivity maps for 7266 regions of interest (ROIs).
  • Identification of DMN and attention control network ROIs using correlation with published seed locations.

Main Results:

  • Observed spatially heterogeneous correlations between DMN and attention control networks, with smoothly varying gradients.
  • Reproducible anticorrelated subregions within major hubs of both networks across independent subject groups.
  • Strengthening of between-network connectivity gradients with age during late adolescence and early adulthood, altering network boundaries and integration.

Conclusions:

  • The default mode network and attention control network exhibit complex, spatially graded interactions rather than simple opposition.
  • Developmental changes in late adolescence and early adulthood significantly shape the functional architecture of these large-scale brain networks.
  • Findings provide insights into the neural mechanisms of attentional control and network maturation.