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Meeting Abstract

Phased Array Optimized for Simultaneous Reception with a Transmit Volume Coil for SNR Improvement of the Spectroscopic Imaging of the Hippocampus

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Avdievich, N., & Hetherington, H. (2007). Phased Array Optimized for Simultaneous Reception with a Transmit Volume Coil for SNR Improvement of the Spectroscopic Imaging of the Hippocampus. In 2007 Joint Annual Meeting ISMRM-ESMRMB (pp. 102).


Cite as: http://hdl.handle.net/21.11116/0000-0004-49F0-B
Abstract
Although the SNR of conventional phased arrays is high near the coils, their sensitivity is similar to that of a volume coil near the center of a head. Substantial improvement can be obtained if the volume transmit coil is used for simultaneous reception with the array. To avoid interactions between the array and the volume coil, counter rotating current (CRC) surface coils can be used. A six-coil CRC phased array optimized for spectroscopic measurements of the human hippocampus was constructed. 40% increase in SNR was obtained in comparison to the volume coil or the array when used individually for reception.