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Abstract #0844

Common coordinate frameworks of developmental marmoset brain from birth to adolescence based on ultra-high-resolution diffusion MRI

Tianjia Zhu1,2, Ziqin Zhang1,2, Jianlin Guo1,3, Minhui Ouyang1,4, Andre Sousa5, Jon Levine5, Arnold Kriegstein6, and Hao Huang1,4
1Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, United States, 2Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States, 3Department of Radiology, Beijing Children's Hospital, Beijing, China, 4Department of Radiology, University of Pennsylvania, Philadelphia, PA, United States, 5Department of Neuroscience, University of Wisconsin-Madison, Madison, WI, United States, 6Department of Neurology, University of California San Francisco, San Francisco, CA, United States

Synopsis

Keywords: Large Animals, Nonhuman Primates, Normal development, large animals nonhuman primates, ultra-high-resolution diffusion MRI, common coordinate framework

Motivation: A standardized anatomical common coordinate framework (CCF) is essential to integrate spatially resolved, molecularly defined cell atlases with neurophysiology and behavior for developmental marmoset brain. Ultra-high-resolution diffusion-MRI (dMRI) improves anatomical determinations and provides rich contrasts and microstructural information.

Goal(s): To build the first dMRI-based anatomical CCFs for marmoset brains from birth to adolescence.

Approach: Ultra-high resolution dMRI at 9.4T was performed on neonate, 10-month-old, and 2-year-old marmoset brains. Anatomical regions were delineated.

Results: Ultra-high-resolution CCFs for developmental marmoset brains at isotropic 0.1mm diffusion MRI imaging resolution, characterized by comprehensive labels of fine neuroanatomical structures.

Impact: The first developmental marmoset brain CCFs from birth to adolescence will allow integrating spatially resolved and molecularly defined cell atlas with studies of developing brain function, neurophysiology, and behavior. They will provide insights into evolution and human-specific features of brain development relevant to brain disorders.

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Keywords