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Residual Effects of Large Vessels in GE BOLD Differential Mapping of Ocular Dominance Columns

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons84218

Shmuel,  A
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Yacoub, E., Ugurbil, K., & Shmuel, A. (2005). Residual Effects of Large Vessels in GE BOLD Differential Mapping of Ocular Dominance Columns. Poster presented at 13th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2005), Miami Beach, FL, USA.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-D5AF-5
Abstract
The mapping of high resolution functional structures relies on the minimization of non-specific large vessel signals. Previous human studies have used the conventional GE BOLD technique, combined with differential mapping. We have previously demonstrated the ability of HSE BOLD imaging and differential mapping to reliably and robustly map ocular dominance columns in humans. Here we investigate the potential and limitations of GE BOLD differential mapping as compared to HSE BOLD differential mapping of ocular dominance columns in hopes of developing a strategy for high resolution applications in humans at high magnetic fields.