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Abstract #3281

An Evaluation of High-Resolution EPI sequences and Enhanced Image Reconstruction for fMRI at 7T: Siemens-EPI, CMRR-EPI and INM4-EPI

Seong Dae Yun1 and N. Jon Shah1,2,3,4
1Institute of Neuroscience and Medicine 4, INM-4, Forschungszentrum Juelich, Juelich, Germany, 2Institute of Neuroscience and Medicine 11, INM-11, JARA, Forschungszentrum Juelich, Juelich, Germany, 3JARA - BRAIN - Translational Medicine, Aachen, Germany, 4Department of Neurology, RWTH Aachen University, Aachen, Germany


EPI is of great importance in the MR community due to its wide applicability in various dynamic MR applications. Recent advances in EPI techniques extend its use for the depiction of neuronal activation with a cortical depth-dependence. Therefore, enhanced performance with reliable image quality is highly desirable in EPI. This work presents an in-house designed EPI sequence and its corresponding image reconstruction software at 7T. Results show that our EPI sequence outperforms two widely used sequences: Siemens-EPI and CMRR-EPI. In addition, our image reconstruction routine significantly improves the reconstructed image quality of Siemens and CMRR data.

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