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Radboud Repository
Article . 2017
Data sources: Radboud Repository
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Magnetic Resonance in Medicine
Article . 2016 . Peer-reviewed
License: Wiley Online Library User Agreement
Data sources: Crossref
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Multiband echo‐shifted echo planar imaging

Authors: Boyacioglu, R.; Schulz, J; Norris, D.G.;

Multiband echo‐shifted echo planar imaging

Abstract

PurposeTo propose the technique multiband echo‐shifted (MESH) echo planar imaging (EPI), which combines the principles of echo‐shifted acquisition for two‐dimensional multislice EPI, with both in‐plane and multiband acceleration by means of partial parallel imaging techniques.MethodsMESH EPI is suitable for functional MRI (fMRI) in situations where there is sufficient time to insert an additional EPI readout in the dead time between slice selection and the standard EPI readout. In such situations, MESH EPI can further accelerate data acquisition compared with standard multiband techniques. The method is particularly well suited for low static magnetic field strengths and lower spatial resolutions. We compared MESH with multiband and standard EPI with temporal signal‐to‐noise ratio (tSNR) measurements and resting state fMRI data.ResultsResults obtained at 1.5 T from healthy subjects revealed that the additional gradient switching did not additionally affect time course SNR over and above the reduction inherent to multiband imaging. Functional results were qualitatively similar between methods. MESH was not affected by the tSNR reduction and echo shifting gradients. The MESH data were acquired at a factor 2 or 3 faster than corresponding multiband acquisitions for echo shift factors of 1 and 2, respectively.ConclusionMESH can offer further acceleration of image acquisition for fMRI at no loss in sensitivity. Magn Reson Med 77:1981–1986, 2017. © 2016 International Society for Magnetic Resonance in Medicine

Country
Netherlands
Keywords

Echo-Planar Imaging, 2023 OA procedure, Image Processing, Computer-Assisted, Brain, Humans, Signal-To-Noise Ratio, Magnetic Resonance Imaging, 150 000 MR Techniques in Brain Function, Healthy Volunteers

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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
10
Top 10%
Average
Average
Green
hybrid