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Abstract #2468

High-resolution fMRI using Accelerated EPIK for Enhanced Characterisation of Functional Areas at 3T

Seong Dae Yun 1 and N. Jon Shah 1,2

1 Institute of Neuroscience and Medicine, Medical Imaging Physics (INM-4), Forschungszentrum Juelich, Juelich, Germany, 2 Faculty of Medicine, Department of Neurology, JARA, RWTH Aachen University, Aachen, Germany

EPIK had been previously validated both at 1.5T and 3T. The method was shown to provide a higher temporal resolution and less image distortions than single-shot EPI whilst maintaining comparable performance for the detection of BOLD-based signals. This work aims to perform high-resolution visual fMRI based on EPIK and evaluate its performance in direct comparison to comparable EPI; each method was accelerated with parallel imaging and partial Fourier techniques for resolution improvement. The obtained results showed that EPIK outperformed single-shot EPI in terms of imaging resolution and capability of identifying relatively small functional regions such as LGN and SC.

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