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Abstract #3998

Functional Anatomy of Human Brainstem using resting state fMRI

Vinod Jangir Kumar1, Christian F. Beckmann2, Klaus Scheffler1, and Wolfgang Grodd3
1Department for High-field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Tuebingen, Germany, 2Donders Institute for Brain, Cognition, and Behavior, Centre for Cognitive Neuroimaging, Nijmegen, Netherlands, 3Max Planck Institute for Biological Cybernetics, Tuebingen, Germany

The brainstem engages in various brain functions. However, we still lack a detailed understanding of its underlying functional organization. Therefore, in this study, we analyzed 222300 fMRI scans of 62 subjects acquired at the HCP-7 Tesla project. We applied the instantaneous parcellation analysis (ICP) method and determined a reliable, reproducible, and stable functional anatomy of the brainstem. The results reveal that stable multi-scale functional anatomy exists in the brainstem. The spatial rich functional anatomy enables neuroscientists to better characterize brainstem organization and understand its function and role in various brain disorders.

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