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Functional specializations in human cerebral cortex analyzed using the Visible Man surface-based atlas.

H A Drury1, D C Van Essen

  • 1Department of Anatomy and Neurobiology, Washington University School of Medicine, St. Louis, Missouri 63110, USA. heather@v1.wustl.edu

Human Brain Mapping
|January 1, 1997
PubMed
Summary

This study introduces a novel surface-based approach to map brain functions, analyzing functional specializations in the human cerebral cortex using the Visible Man digital atlas for enhanced neuroimaging analysis.

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Functional specializations in human cerebral cortex analyzed using the visible man surface-based atlas.

Human brain mapping·2010

Area of Science:

  • Neuroimaging
  • Cognitive Neuroscience
  • Computational Anatomy

Background:

  • Understanding functional specializations within the human cerebral cortex is crucial for neuroscience.
  • Previous methods often struggle to accurately represent the complex topology of the cortical sheet.
  • A robust coordinate system is needed to integrate diverse neuroimaging findings.

Purpose of the Study:

  • To develop and validate a surface-based coordinate system for analyzing functional specializations in the human cerebral cortex.
  • To enable stereotactic projection of neuroimaging activation foci onto a standardized cortical surface.
  • To systematically estimate functional segregation and overlap in sensory processing areas.

Main Methods:

  • Generated a computerized reconstruction of the Visible Man digital atlas cortical surface.
Keywords:
NASA Discipline NeuroscienceNon-NASA Center

Related Experiment Videos

  • Transformed the surface to the Talairach coordinate system and flattened it.
  • Established a surface-based coordinate system respecting cortical topology.
  • Projected published neuroimaging activation foci onto the cortical flat map.

    • Main Results:

    • Successfully created a surface-based coordinate system for the human cerebral cortex.
    • Demonstrated the projection of activation foci from hearing and reading studies onto the cortical flat map.
    • Illustrated the systematic estimation of functional segregation and overlap.

    Conclusions:

    • The developed surface-based approach provides a powerful tool for analyzing functional organization in the cerebral cortex.
    • This method facilitates the integration and comparison of findings across different neuroimaging studies.
    • It allows for a more precise understanding of how different sensory processes are functionally segregated and potentially overlap.