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Abstract #2999

Sub-Millimeter Conventional fMRI at 3T With Dense, Shape-Optimized 32-Channel Posterior Head Coil

Boris Keil 1 , Filip Grigorov 2 , Andre J van der Kouwe 1 , Lawrence L Wald 1,3 , and Reza Farivar 2

1 A. A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, United States, 2 McGill Vision Research Unit, McGill University, Montreal, QC, Canada, 3 Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, United States

A dense, form-optimized 32-channel visual cortex array coil was constructed and compared to a commercial 32-channel brain coil at 3T. The array coil provides substantial gain in cortical SNR in accelerated imaging acquisitions. The coil allows for sub-millimeter functional imaging using a conventional sequence, and the resulting images empowered high-resolution mapping and measurement of visually-driven activity with minimal pre-processing.

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