Rapid and high-resolution bSSFP fMRI using 3D stack of spirals at 9.4 T

Valsala, PI; Ehses, P; Veldmann, M; Scheffler, K

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Rapid and high-resolution bSSFP fMRI using 3D stack of spirals at 9.4 T

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Valsala, PI
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Ehses, P
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Scheffler, K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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https://submissions.mirasmart.com/ISMRM2023/Itinerary/ConferenceMatrixEventDetail.aspx?id=132
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Citation

Valsala, P., Ehses, P., Veldmann, M., & Scheffler, K. (2023). Rapid and high-resolution bSSFP fMRI using 3D stack of spirals at 9.4 T. In 2023 ISMRM & ISMRT Annual Meeting & Exhibition (ISMRM 2023).

Cite as: https://hdl.handle.net/21.11116/0000-000D-3810-2

Abstract

We explored the spatio-temporal resolution and coverage of bSSFP BOLD contrast using a highly segmented 3D spiral readout. The functional activation maps acquired with the novel functional contrast for full visual field checkerboard stimulus is presented at submillimeter resolutions (0.6 mm3 & 0.8 mm3) and at 1.2 mm3 for whole brain coverage. We also demonstrated rapid slice-selective water excitation using binomial pulses.