CoCoNest: A continuous structural connectivity-based nested family of parcellations of the human cerebral cortex
2024

CoCoNest: A New Way to Map Brain Connections

Sample size: 897 publication Evidence: high

Author Information

Author(s): Allen Adrian, Zhang Zhengwu, Nobel Andrew

Primary Institution: University of North Carolina at Chapel Hill

Hypothesis

The human brain has a multiresolution structure that can be effectively represented through a new family of parcellations derived from structural connectome data.

Conclusion

The CoCoNest family of parcellations outperforms existing methods and provides a valuable tool for exploring the structural organization of the brain.

Supporting Evidence

  • The CoCoNest family is competitive with or outperforms widely used parcellations in the literature.
  • Members of the CoCoNest family show high stability across different subject groups.
  • CoCoNest parcellations preserve high-resolution structural connectivity patterns.

Takeaway

Scientists created a new way to divide the brain into parts based on how its connections work, helping us understand how different areas of the brain communicate.

Methodology

The study used diffusion MRI data from 897 healthy adults to create a hierarchical structure of brain parcellations through agglomerative clustering and error-complexity pruning.

Potential Biases

The study may be limited by biases in tractography and the averaging of data across subjects.

Limitations

The method relies solely on white matter density and may not capture all aspects of the structural connectome.

Participant Demographics

Healthy young adults aged 22-35 years.

Digital Object Identifier (DOI)

10.1162/netn_a_00409

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