Cited by 1,586Advanced MRI Techniques and ApplicationsAdvanced Neuroimaging Techniques and ApplicationsFunctional Brain Connectivity Studies

Multiband multislice GE‐EPI at 7 tesla, with 16‐fold acceleration using partial parallel imaging with application to high spatial and temporal whole‐brain fMRI

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Moeller, Steen, Yacoub, Essa, Olman, Cheryl A., Auerbach, Edward, Strupp, John, Harel, Noam, Uğurbil, Kâmil·2010·Magnetic Resonance in Medicine

Abstract

Parallel imaging in the form of multiband radiofrequency excitation, together with reduced k-space coverage in the phase-encode direction, was applied to human gradient echo functional MRI at 7 T for increased volumetric coverage and concurrent high spatial and temporal resolution. Echo planar imaging with simultaneous acquisition of four coronal slices separated by 44mm and simultaneous 4-fold phase-encoding undersampling, resulting in 16-fold acceleration and up to 16-fold maximal aliasing, was investigated. Task/stimulus-induced signal changes and temporal signal behavior under basal conditions were comparable for multiband and standard single-band excitation and longer pulse repetition times. Robust, whole-brain functional mapping at 7 T, with 2 x 2 x 2mm(3) (pulse repetition time 1.25 sec) and 1 x 1 x 2mm(3) (pulse repetition time 1.5 sec) resolutions, covering fields of view of 256 x 256 x 176 mm(3) and 192 x 172 x 176 mm(3), respectively, was demonstrated with current gradient performance.

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  • Multiband accelerated EPI enables major improvements in spatial and/or temporal resolution, for example acquiring data with 2mm spatial resolution in less than a second.

    ““multiband accelerated EPI” acquires multiple slices simultaneously [39, 40]. Such approaches enable major improvements in spatial and/or temporal resolution, for example acquiring data with 2mm spatial resolution in less than a second.”

    From Functional connectomics from resting-state fMRI (2013) · cites this paper as [39]

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Authors
Moeller, S., Yacoub, E., Olman, C. A., Auerbach, E., Strupp, J., Harel, N., & Uğurbil, K.
Affiliations
University of Minnesota (US)
Corresponding author
Moeller, Steen
Venue
Magnetic Resonance in Medicine
Publisher
Wiley
Published
2010-04-23
Volume
63
Issue
5
Pages
1144-1153
ISSN
  • 0740-3194 (ISSN-L)
  • 1522-2594
OpenAlex
W1974508089
Cited by
1,586
References
29
Citations by year
2026: 106 · 2025: 121 · 2024: 117 · 2023: 105 · 2022: 132 · 2021: 157 · 2020: 122 · 2019: 119 · 2018: 120 · 2017: 131 · 2016: 106 · 2015: 87 · 2014: 68 · 2013: 53 · 2012: 21
FWCI
23.91
Type
journal article
Language
en
Open access
Locations
  • Magnetic Resonance in Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • W. M. Keck Foundation
  • National Institute of Mental Health (R01MH070800)
  • National Cancer Institute (R01CA076535, CA 76535)
  • National Institute of Neurological Disorders and Stroke (P30NS057091)
  • National Institute of Biomedical Imaging and Bioengineering (R01EB008645, EB 000513, R01EB000513, R01EB007327, R01EB006835, R01EB000331, R44EB005139)
  • National Center for Research Resources (P41RR008079, P41RR08079)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
Keywords
multiband excitation, gradient-echo EPI, parallel imaging, 7T MRI, whole-brain fMRI, high spatial resolution, high temporal resolution
MeSH terms
Algorithms, Brain, Brain Mapping, Evoked Potentials, Humans, Image Enhancement, Image Interpretation, Computer-Assisted, Magnetic Resonance Imaging, Sensitivity and Specificity, Reproducibility of Results, Imaging, Three-Dimensional

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