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Abstract #3208

High-resolution 3D EPI at 9.4 Tesla with parallel transmit B1+ field homogenisation

Benedikt A Poser 1 , Daniel Brenner 2 , and Desmond H Y Tse 1,3

1 Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, Netherlands, 2 German Centre for Neurodegenerative Diseases (DZNE), Bonn, Germany, 3 Department of Radiology, Maastricht University, Maastricht, Netherlands

We show high-resolution 3D EPI acquisitions at 9.4T, using kT-points excitation for B1+ homogenisation. Remarkable image quality at 0.75mm isotropic resolution is achieved across the whole-brain, whereas images acquired in CP mode suffer considerably loss of signal and contrast especially in central regions. The images shown hold promise for application to high-resolution BOLD fMRI, as well as fast structural imaging including applications such as rapid quantitative susceptibility mapping (QSM).

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