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Abstract #2662

A 10-element receive-only RF coil array for imaging the brain of awake marmosets

Wen-Yang Chiang1,2, Cecil Chern-Chyi Yen2, Mary P. McDougall1, and Afonso C. Silva2

1Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States, 2Cerebral Microcirculation Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, United States

A 10-element head RF coil array was developed for imaging the brain of awake marmosets. A soccer ball design was used to improve whole brain coverage and parallel imaging acceleration when compared to our previous designs. Coil clip and PLA cement were introduced to help place the small coil elements on surfaces of irregular shape and optimize geometric decoupling. The matching network provided independent adjustments of tuning, matching, active detune and preamp decoupling, greatly simplifying the construction of coil arrays in space-limited applications. Molded-in foam padding was also introduced to provide additional comfort during awake marmoset imaging.

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