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Updated: Jul 17, 2025

Chronic Implantation of Whole-cortical Electrocorticographic Array in the Common Marmoset
Published on: February 1, 2019
Revealing Complex Functional Topology Brain Network Correspondences Between Humans and Marmosets
Qiang Li1, Vince D Calhoun1, Armin Iraji1
1Tri-Institutional Center for Translational Research in Neuroimaging and Data Science (TReNDS) Georgia State University; Georgia Institute of Technology; Emory University; Atlanta GA 30303 USA.
Human and marmoset brains share functional connectivity patterns, especially in attention and visual networks. Unique neural connections also exist between species during rest and tasks.
Area of Science:
- Neuroscience
- Comparative Cognition
- Brain Network Analysis
Background:
- Functional correspondences in primate brains are not fully understood.
- Topological analysis of whole-brain functional connectivity offers insights into cross-species patterns.
Approach:
- Applied topological graph analysis to human and marmoset brain networks.
- Examined congruencies and disparities in their connectomes.
- Investigated neural connections during resting and task-oriented states.
Key Points:
- Identified significant similarities in whole-brain functional connectivity patterns.
- Highlighted shared patterns in the dorsal attention network, default mode network, and visual network.
- Discovered unique neural connections specific to human and marmoset brains.
Conclusions:
- Revealed a combination of conserved and divergent functional brain connections.
- Demonstrated shared and distinct neural underpinnings for spontaneous and specific cognitive functions.
- Advanced understanding of cross-species brain organization and function.
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