#retinotopic mapping

Content tagged with "retinotopic mapping"

Prospects of non-Cartesian 3D-SPARKLING encoding for functional MRI: A preliminary case study for retinotopic mapping
2023-08-03 Zaineb Amor, Chaithya Giliyar Radhakrishna, Guillaume Daval-Frérot, et al. Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting
#SPARKLING #Non-Cartesian Sampling #k-space Sampling #fMRI #MRI #retinotopic mapping

For the first time, non-Cartesian 3D-SPARKLING (Spreading Projection Algorithm for Rapid K-space sampLING) encoding scheme was used for task-based fMRI (retinotopic mapping) at 7T. Additionally, this new acquisition technique was compared with 3D-EPI, considered as one of the reference acquisition schemes in…

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Impact of ΔB0 field imperfections correction on BOLD sensitivity in 3D-SPARKLING fMRI data
2023-06-03 Zaineb Amor, Caroline Le Ster, Chaithya Giliyar Radhakrishna, et al. Magnetic Resonance in Medicine
#SPARKLING #fMRI #Field Inhomogeneity #MRI #field inhomogeneity correction #retinotopic mapping

Purpose Static and dynamic field imperfections are detrimental to functional MRI (fMRI) applications, especially at ultra‐high magnetic fields (UHF). In this work, a field camera is used to assess the benefits of retrospectively correcting field perturbations on Blood Oxygen Level Dependent (BOLD) sensitivity in…

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