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Related Concept Videos

Organization of the Brain01:30

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Related Experiment Video

Updated: Jan 16, 2026

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms
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Connectivity and function are coupled across cognitive domains throughout the brain.

Kelly J Hiersche1,2, Zeynep M Saygin1,2, David E Osher1,2

  • 1Department of Psychology, The Ohio State University, Columbus, OH, USA.

Network Neuroscience (Cambridge, Mass.)
|January 15, 2026
PubMed
Summary

Brain connectivity reliably predicts brain activity across diverse cognitive tasks. This finding confirms functional connectivity as a core principle of brain organization, aiding future personalized brain models.

Keywords:
CognitionConnectivity fingerprintingFunctional connectivityWhole brainfMRI

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Neuroimaging

Background:

  • Brain functional organization is consistent across individuals and resembles task-evoked networks at rest.
  • Functional specialization is assumed to stem from brain region connectivity.
  • Data limitations in single individuals hinder comprehensive testing of this assumption.

Purpose of the Study:

  • To determine if the relationship between task activation and functional connectivity is consistent across the brain and various cognitive tasks.
  • To validate connectivity as a general organizational principle of brain function.

Main Methods:

  • Ridge regression models were fitted to activation maps from 33 cognitive domains (using NeuroQuery).
  • Resting-state functional connectivity data from the Human Connectome Project served as predictors.
  • The predictive power of functional connectivity for brain activity was systematically examined.

Main Results:

  • A robust relationship between brain activity and functional connectivity was observed across all brain regions and cognitive domains.
  • Higher-order, domain-general cognitive functions exhibited the strongest association between activation and connectivity.
  • Functional connectivity significantly explains task-evoked brain activity patterns.

Conclusions:

  • The findings strongly support connectivity as a fundamental organizational principle of brain function.
  • This study provides comprehensive evidence across a wide range of cognitive tasks and a large sample.
  • Results offer a valuable reference for developing individualized predictive brain models.