Mapping Cytoarchitectonics and Receptor Architectonics to Understand Brain Function and Connectivity

Area of Science:

• Neuroscience
• Computational Neuroscience
• Brain Mapping

Background:

• Cytoarchitectonics and receptor architectonics are key to understanding brain function and connectivity.
• Accurate brain atlases are crucial for studying structure-function relationships.

Purpose of the Study:

• To introduce the 3D cytoarchitectonic probabilistic maps of the Julich-Brain Atlas.
• To demonstrate how these maps, linked to the BigBrain, facilitate structure-function relationship studies.
• To highlight the utility of microstructural maps for understanding brain networks and psychiatric disorders.

Main Methods:

• Utilizing 3D probabilistic maps of cortical areas and nuclei from the Julich-Brain Atlas.
• Linking these maps to the BigBrain microanatomical reference model.
• Employing the siibra software tool suite for programmatic access to atlas data.
• Integrating cellular and molecular data with magnetic resonance connectivity for modeling.

Main Results:

• The Julich-Brain Atlas provides detailed microstructural maps of the human brain.
• The siibra tool enables access to cytoarchitectonic and receptor architectonic data.
• These data serve as tools for studying brain connectivity and function.
• Microstructural maps contribute to understanding large-scale brain networks.

Conclusions:

• Microstructural maps within multimodal atlases are essential for elucidating biological correlates of brain function and networks.
• The Julich-Brain Atlas and associated tools offer a powerful basis for studying brain structure-function relationships.
• This approach holds promise for advancing research into psychiatric disorders.