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Related Experiment Video

Updated: Feb 4, 2026

Whole-Brain 3D Activation and Functional Connectivity Mapping in Mice using Transcranial Functional Ultrasound Imaging
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Unique Mapping of Structural and Functional Connectivity on Cognition.

Joelle Zimmermann1, John D Griffiths2, Anthony R McIntosh2

  • 1Baycrest Health Sciences, Rotman Research Institute, Toronto, Ontario M6A 2E1, Canada jzimmermann@research.baycrest.org.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|September 26, 2018
PubMed
Summary

Brain connectivity, both structural (SC) and functional (FC), uniquely maps to cognition. Distinct patterns of SC and FC provide unique insights into cognitive function, highlighting the need to study both for a complete understanding.

Keywords:
behaviorcognitionfunctional connectivityindividualstructural connectivity

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Brain Imaging

Background:

  • Structural connectivity (SC) and functional connectivity (FC) are fundamental brain network properties.
  • The relationship between SC, FC, and cognitive functions is not fully understood.
  • Current understanding lacks clarity on whether cognition relies on global or distributed connectivity patterns.

Purpose of the Study:

  • To investigate the unique mapping of structural brain connectivity (SC) and functional brain connectivity (FC) onto cognitive functions.
  • To determine if SC and FC patterns underlying cognition overlap or are distinct.
  • To explore the distribution of variance in SC and FC related to cognitive tasks.

Main Methods:

  • Analysis of structural and functional brain connectivity data from 609 subjects in the Human Connectome Project.
  • Correlating connectivity patterns with performance across a range of psychological tasks.
  • Identifying distinct sets of connections within SC and FC networks associated with cognitive function.

Main Results:

  • Identified unique sets of connections within both SC and FC that correlate with cognitive performance.
  • Found distinct patterns of variance for SC and FC in relation to cognition across subjects.
  • Observed a small number of distributed SC patterns and a larger set of corticocortical and corticosubcortical FC patterns associated with cognition.

Conclusions:

  • Both structural and functional brain connectivity provide unique and distinct information about cognitive processes.
  • Understanding the neural basis of cognition requires integrating insights from both SC and FC modalities.
  • The findings suggest that cognition is supported by specific, distributed connectivity patterns within both structural and functional brain networks.