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Abstract #2675

Recommendations of choice of head coil and prescan normalize filter depend on region of interest and task

Tina Schmitt1 and Jochem Rieger1,2,3,4
1Neuroimaging Unit, School of Medicine and Health Sciences, Carl-von-Ossietzky University of Oldenburg, Oldenburg, Germany, 2Neuroimaging Unit, Carl-von-Ossietzky University of Oldenburg, School of Medicine and Health Sciences, Oldenburg, Germany, 3Applied Neurocognitive Psychology, Department of Psychology, School of Medicine and Health Sciences, Carl-von-Ossietzky University of Oldenburg, Oldenburg, Germany, 4Cluster of Excellence “Hearing4all”, Carl-von-Ossietzky University of Oldenburg, Oldenburg, Germany

The performance of the 20- and the 64-channel head coil and the influence of the prescan normalize filter was evaluated in a standard fMRI setting using a 3T Siemens Prisma MRI. Larger beta estimates and tSNR occurred in auditory cortex and thalamus with prescan normalize, in contrast to the visual and motor cortex with larger beta estimates and tSNR without prescan normalize. In line with the results of the MRIQC tool, the 20-channel head coil with prescan normalize is better suitable for functional measurements, especially in deeper brain areas. The 64-channel head coil is the best choice for anatomical scans.

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