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Abstract #2720

Where is each finger area in brain? Enhanced characterization of the somatosensory area using high-resolution EPIK at 3T

Sung Suk Oh1, Min Cheol Chang2, Soyoung Kwak2, Jong-ryul Choi3, N. Jon Shah4,5,6,7, and Seong Dae Yun4
1Medical Device Development Center, K-MEDI hub, Daegu, Korea, Republic of, 2Department of Rehabilitation Medicine, Yeungnam University, Daegu, Korea, Republic of, 3K-MEDI hub, Daegu, Korea, Republic of, 4Institute of Neuroscience and Medicine 4, INM-4, Forschungszentrum Juelich, Juelich, Germany, 5Institute of Neuroscience and Medicine 11, INM-11, Forschungszentrum Juelich, Juelich, Germany, 6JARA - BRAIN - Translational Medicine, Aachen, Germany, 7Department of Neurology, RWTH Aachen University, Aachen, Germany

Synopsis

Keywords: Data Acquisition, fMRI (task based)The tactile stimulus of fingers in fMRI can effectively reveal the somatosensory functional region. However, this research requires a high-resolution fMRI technique, enabling a distinct delineation of functional areas for each finger. This work demonstrates the use of high-resolution EPIK (1.25 x 1.25 mm2) for enhanced characterization of somatosensory areas at 3T. EPIK provides improved spatial resolution than EPI (1.72 x 1.72 mm2) with increased brain coverage while keeping the same temporal resolution as EPI. The activation region from EPIK was shown to be more locally specific, thereby enabling a clearer recognition of functional areas for each finger.

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Keywords