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Abstract #1102

High-Resolution Fingersomatotopy at 7T Using HGS-Parallel Technique

SungDae Yun1, Jun-Young Chung2, Hyo Woon Yoon3, Zang-Hee Cho3, HyunWook Park1

1Department of Electrical Engineering, KAIST, Daejeon, Korea, Republic of; 2Neuroscience Research Institute, Gachon University of Medicine and Science , Incheon, Korea, Republic of; 3Neuroscience Research Institute, Gachon University of Medicine and Science, Incheon, Korea, Republic of

In a high field MRI, improvements in SNR and image quality are very noticeable, even though there are some drawbacks such as increased field inhomogeneity and relatively short T2*. For EPI-based methods, these drawbacks are major challenges in performing fMRI. To reduce such problems, we employed the HGS-Parallel technique as an fMRI imaging method which used the conventional gradient echo. This sequence is relatively robust to field inhomogeneity and the T2* decay than the EPI. With the HGS-Parallel technique, we performed an fMRI experiment at a 7T for mapping the finger somatosensory area in a high quality and resolution form.