Abstract #4274

8-channel whole-brain center-fed dipoles with quadrature frontal loops coil array

Jérémie Clément¹, Sandra Da Costa², Rolf Gruetter^1,3,4, and Özlem Ipek²

¹LIFMET, EPFL, Lausanne, Switzerland, ²CIBM-AIT, EPFL, Lausanne, Switzerland, ³Department of Radiology, University of Lausanne, Lausanne, Switzerland, ⁴Department of Radiology, University of Geneva, Geneva, Switzerland

To achieve highly efficient whole-brain coverage, including cerebral cortex and cerebellum, a single-row 8-channel RF coil array, built with center-fed dipoles, was investigated. B₁⁺ maps and anatomical images were acquired on the human brain for RF phases optimized over the whole-brain and high transmit field performances were shown in both cerebral cortex and cerebellum with good homogeneity. Functional MRI data was acquired on auditory cortices and demonstrated higher robustness compared to a commercial volume coil.

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