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Abstract #3723

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

Wietske van der Zwaag1,2, 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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