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Abstract #2072

bOVOC: 200 Hz balanced One-Voxel-One-Coil MREG at 9.4T

Klaus Scheffler 1 , Gabriele Lohmann 1 , Christian Mirkes 1 , Shajan Gunamony 1 , and Philipp Ehses 1

1 MRC department, Max Planck Institute for Biological Cybernetics, Tbingen, Germany, Tbingen, Germany

Balanced OVOC is a variant of the FLASH-based One-Voxel-One-Coil (OVOC) method introduced by Jrgen in 2006. It aims to measure functional responses at a very high temporal resolution as no or just one spatial encoding direction is applied. Measurements of functional responses to visual checkerboard stimulation at a temporal resolution of 5 ms and one-dimensional resolution of 1 mm using a small surface coil of 3 cm are presented. With an echo time of 2.5 ms for bOVOC signal changes are mostly related to T2 and diffusion changes.

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