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Abstract #3453

Functional connectivity of intrinsic networks in monkey spinal cord revealed by resting state BOLD signals at 9.4T

Arabinda Mishra 1 , Feng Wang 2 , John C Gore 3 , and Li Min Chen 3

1 Radiology, Vanderbilt University, Nashville, TN, United States, 2 Radiology, Vanderbilt University, TN, United States, 3 Vanderbilt University, TN, United States

Spinal cord transfers bilateral motor and sensory information between the brain and other extremities. The structural and functional organizations of the white and gray matters in both brain and spinal cord differ remarkably. However, partly because of technical challenges involved in spinal cord imaging, it is largely unknown whether similar functional connectivity exists and is detectable using functional MRI. Using ultra-high filed (9.4T), we performed an ROI based analysis of resting state BOLD MRI signals in anesthetized monkeys. Our results support that there exist differential intrinsic functional connectivity networks within the primate spinal cord, which is detectable and observable.

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