Abstract #3723

Submillimeter spatial and 1 second temporal resolution in fMRI using 3D-EPI-CAIPI with cylindrical excitation

Wietske van der Zwaag^1,2, Mayur Narsude³, Olivier Reynaud², Dan Gallichan², and José P. Marques⁴

¹Spinoza Centre for Neuroimaging, Amsterdam, Netherlands, ²EPFL, Lausanne, Switzerland, ³Lausanne, Switzerland, ⁴Donders Institute for Brain, Cognition and Behaviour, Nijmegen, Netherlands

3D-EPI-CAIPI was combined with a cylindrical excitation profile to reduce the brain area from which signal is generated, and hence, the parallel imaging undersampling artefacts and signal loss. This 3D-EPI-CAIPI with cylindrical excitation can be used to acquire fMRI data with submillimetre spatial resolution, 1-second temporal resolution and very high BOLD sensitivity.

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