Abstract #1902

Evaluation of a Novel 8-Channel Receive Coil for Speech Production MRI at 0.55 Tesla.

Felix Munoz¹, Yongwan Lim², Sophia X. Cui³, Helmut Stark⁴, and Krishna Shrinivas Nayak^1,2

¹Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, United States, ²Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA, United States, ³Siemens Medical Solutions, Los Angeles, CA, United States, ⁴Stark Contrast, Erlangen, Germany

Synopsis

MRI has enabled significant advances in our understanding of human speech production. This application benefits from a lower magnetic field due to reduced off-resonance effects at air-tissue interfaces. Here, we evaluate the SNR and parallel imaging performance of a dedicated speech coil at 0.55 Tesla, and compare it to that of a head-neck coil. Over the upper airway regions of interest, the dedicated coil shows approximately 1.3- to 4.6-fold improvement in SNR efficiency compared to the head-neck coil.

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