Functional imaging at 14.1T using high-resolution pass band bSSFP

Sub-millimeter fMRI at very high fields with EPI is challenging due to the rapid signal decay and B0-related distortions. Balanced SSFP offers the possibility of high-resolution (100 um) acquisitions without spatial distortions and significantly higher temporal resolution compared to FLASH. Observed signal changes largely depend on T2 rather than T2* indicating a higher spatial selectivity compared to gradient echo-based methods.

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