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Poster

Magnetic field distribution and signal decay in fMRI using the dipole model and Monte Carlo diffusion modeling

MPS-Authors
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Uludag,  K
Former Department MRZ, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

External Resource

https://cds.ismrm.org/ismrm-2007/files/1_program.pdf
(Abstract)

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Citation

Müller-Bierl, B., Uludag, K., Pereira, P., & Schick, F. (2007). Magnetic field distribution and signal decay in fMRI using the dipole model and Monte Carlo diffusion modeling. Poster presented at 2007 Joint Annual Meeting ISMRM-ESMRMB, Berlin, Germany.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-CDDD-D
Abstract
the presence of a susceptibility distribution. Dynamic processes (Brownian motion) are taken into account using additionally a Monte Carlo (MC) method
for the positioning of the protons. Signal decay computation inside a model of brain parenchyma was found to depend on the evaluation procedure of the
signal decay. MC modeling leads to signal decay characteristics depending on geometry and blood deoxygenation inside the vessel. Intra- and extravascular
signal decay contributions can be determined individually.