ArticleImaging neuroscience (Cambridge, Mass.)2024
Combining the benefits of 3D acquisitions and spiral readouts for VASO fMRI at UHF.
Article in Imaging neuroscience (Cambridge, Mass.), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Servo Navigation and Phase Equalization Enhanced by Run-Time Stabilization (PEERS) for 3D EPI Time Series.Magnetic resonance in medicine · 2026Article
- Bridging the gap with invasive imaging: promises and challenges of a new generation of ultrahigh resolution fMRI.bioRxiv : the preprint server for biology · 2026Article
- BOLD fMRI at 9.4T with 3D stack-of-spirals readouts.Magma (New York, N.Y.) · 2026Article
- Data Stitching for Dynamic Field Monitoring With NMR Probes.Magnetic resonance in medicine · 2026Article
- A vendor-neutral functional MRI acquisition protocol for multi-site studies.Aperture neuro · 2026Article
- A comparative analysis of the sensitivity and BOLD contamination of the VASO response at 3 Tesla: ME-DEPICTING vs. ME-EPI readouts.Imaging neuroscience (Cambridge, Mass.) · 2024Article
Corrections and comments
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Authors and funding
6 authors.
Funding
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Abstract
We present a slice-saturation slab-inversion VASO (SS-SI-VASO) sequence with a 3D stack-of-spirals readout implemented in Pulseq and show that it can accurately capture changes in cerebral blood volume. Its performance is compared to a state-of-the-art SS-SI-VASO sequence with a 3D EPI readout. We observed an increase in tSNR and improvement in z-scores in spiral compared to 3D EPI acquisition, demonstrating that spiral readouts are suitable for CBV-weighted laminar fMRI. Additionally, we found an increase in sensitivity and relative specificity with the proposed method using spiral readouts, compared to EPI readouts. Several correction approaches were employed in the spiral reconstruction to improve image quality. Incidentally, BOLD contrast in the proposed short-TE spirals is almost as high as that of the 3D EPI at longer TE. In this work, we demonstrate that spiral readouts are promising, especially in applications where there is a need for short TE, such as mesoscopic fMRI at higher fields. The vendor-agnostic Pulseq implementation of VASO, together with an open-source reconstruction framework, aims at increasing the availability and utilization of VASO in high-resolution fMRI experiments.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.