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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