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Abstract #1869

Cortical Surface Based Representation of Diffusion: A Marmoset Study

Mustafa Okan Irfanoglu1, 2, Frank Q. Ye3, Evren zarslan1, David Leopold3, Afonso C. Silva4, Carlo Pierpaoli1

1NIH, NICHD, Bethesda, MD, United States; 2Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, United States; 3NIH, NIMH, Bethesda, MD, United States; 4NIH, NINDS, Bethesda, MD, United States

Diffusion in the brain cortex has a complicated structuture. Traditional image axes based coordinate frameworks might not be suitable to analyze finer level details of this process and a new representation may be needed. In this work, we propose to analyze the diffusion properties relative to a "cortex based coordinate framework". We use an ex-vivo marmoset data to analyze the diffusion both wit the tensor and spherical harmonics model.