ArticleMagnetic resonance in medicine2020
Oscillating steady-state imaging (OSSI): A novel method for functional MRI.
Article in Magnetic resonance in medicine, 2020. 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.
- Steady-state free precession for TMagnetic resonance in medicine · 2025Article
- Manifold Regularizer for High-Resolution fMRI Joint Reconstruction and Dynamic Quantification.IEEE transactions on medical imaging · 2024Article
- Stochastic optimization of three-dimensional non-Cartesian sampling trajectory.Magnetic resonance in medicine · 2023Article
- Off-resonance artifact correction for MRI: A review.NMR in biomedicine · 2023Review
- A retrospective physiological noise correction method for oscillating steady-state imaging.Magnetic resonance in medicine · 2021Article
- High-Resolution Oscillating Steady-State fMRI Using Patch-Tensor Low-Rank Reconstruction.IEEE transactions on medical imaging · 2020Article
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Abstract
purposeSignal-to-noise ratio (SNR) is crucial for high-resolution fMRI; however, current methods for SNR improvement are limited. A new approach, called oscillating steady-state imaging (OSSI), produces a signal that is large and
methodsQuadratic phase sequences were combined with balanced gradients to produce a large, oscillating steady-state signal. The quadratic phase progression was periodic over short intervals such as 10 TRs, inducing a frequency-dependent phase dispersal. Images over one period were combined to produce a single image with effectively
resultsPhantom and human OSSI data showed highly reproducible signal oscillations with greater signal strength than GRE. Compared to single slice GRE with matched effective TE and spatial-temporal resolution, OSSI yielded more activation in the visual cortex by a factor of 1.84 and an improvement in temporal SNR by a factor of 1.83. Voxelwise percentage change comparisons between OSSI and GRE demonstrate a similar
conclusionsOSSI is a new acquisition method that exploits a large, oscillating signal that is
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