Abstract #0922

Investigation of electrical conductivity changes during functional activity of the brain via phase-based MR-EPT: Preliminary observation

Kyu-Jin Jung¹, Chuanjiang Cui¹, Jae-Hun Lee¹, Jun-Hyeong Kim¹, Kyoung-Jin Park^1,2, SooHyoung Lee¹, SunYoung Jung³, and Dong-Hyun Kim¹

¹Department of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea, Republic of, ²Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea, Republic of, ³Department of Biomedical Engineering, Yonsei University, Wonju, Korea, Republic of

Synopsis

Keywords: Electromagnetic Tissue Properties, Electromagnetic Tissue PropertiesBOLD-fMRI is measured from time-series of magnitude information, whereas the phase contrast information, which is related to the electrical properties, is excluded from process. In this study, we focus on the phase information and attempt to expose the relationship between BOLD signal and conductivity activation. In addition, we investigate the potential of functional EPT relative to standard BOLD fMRI.

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