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Spin echo functional MRI in bilateral auditory cortices at 7T: An application of B1 shimming

Ultra high fields (UHF) permit unprecedented explorations of functional organizations and insight into basic neuronal processes. Increases in the signal and contrast to noise ratios have allowed increases in the spatial resolution of T weighted gradient echo (GE) echo planar imaging (EPI). Furthermo... Full description

Journal Title: NeuroImage 15 November 2012, Vol.63(3), pp.1313-1320
Main Author: De Martino, Federico
Other Authors: Schmitter, Sebastian , Moerel, Michelle , Tian, Jinfeng , Ugurbil, Kamil , Formisano, Elia , Yacoub, Essa , de Moortele, Pierre-Francois van
Format: Electronic Article Electronic Article
Language: English
Subjects:
7 T
ID: ISSN: 1053-8119 ; E-ISSN: 1095-9572 ; DOI: 10.1016/j.neuroimage.2012.08.029
Link: https://www.sciencedirect.com/science/article/pii/S1053811912008270
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recordid: elsevier_sdoi_10_1016_j_neuroimage_2012_08_029
title: Spin echo functional MRI in bilateral auditory cortices at 7T: An application of B1 shimming
format: Article
creator:
  • De Martino, Federico
  • Schmitter, Sebastian
  • Moerel, Michelle
  • Tian, Jinfeng
  • Ugurbil, Kamil
  • Formisano, Elia
  • Yacoub, Essa
  • de Moortele, Pierre-Francois van
subjects:
  • 7 T
  • Bold
  • Fmri
  • Spin Echo
  • B1 Shimming
  • Auditory Cortex
  • Medicine
ispartof: NeuroImage, 15 November 2012, Vol.63(3), pp.1313-1320
description: Ultra high fields (UHF) permit unprecedented explorations of functional organizations and insight into basic neuronal processes. Increases in the signal and contrast to noise ratios have allowed increases in the spatial resolution of T weighted gradient echo (GE) echo planar imaging (EPI). Furthermore, while the use of T weighted imaging methods at UHF (e.g. spin echo (SE) EPI, gradient and spin echo (GRASE) EPI) can also permit higher resolution images, they in addition allow for increased spatial specificity of functional responses, permitting the in-vivo study of functional organizations down to the columnar level of the cortex. The study of the visual cortex has, thus far, benefitted the most from higher resolution T weighted studies as achieving the required transmit B magnitude at 7 T is more challenging in other brain regions, such as the auditory cortex....
language: eng
source:
identifier: ISSN: 1053-8119 ; E-ISSN: 1095-9572 ; DOI: 10.1016/j.neuroimage.2012.08.029
fulltext: fulltext
issn:
  • 1053-8119
  • 10538119
  • 1095-9572
  • 10959572
url: Link


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titleSpin echo functional MRI in bilateral auditory cortices at 7T: An application of B1 shimming
creatorDe Martino, Federico ; Schmitter, Sebastian ; Moerel, Michelle ; Tian, Jinfeng ; Ugurbil, Kamil ; Formisano, Elia ; Yacoub, Essa ; de Moortele, Pierre-Francois van
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subject7 T ; Bold ; Fmri ; Spin Echo ; B1 Shimming ; Auditory Cortex ; Medicine
descriptionUltra high fields (UHF) permit unprecedented explorations of functional organizations and insight into basic neuronal processes. Increases in the signal and contrast to noise ratios have allowed increases in the spatial resolution of T weighted gradient echo (GE) echo planar imaging (EPI). Furthermore, while the use of T weighted imaging methods at UHF (e.g. spin echo (SE) EPI, gradient and spin echo (GRASE) EPI) can also permit higher resolution images, they in addition allow for increased spatial specificity of functional responses, permitting the in-vivo study of functional organizations down to the columnar level of the cortex. The study of the visual cortex has, thus far, benefitted the most from higher resolution T weighted studies as achieving the required transmit B magnitude at 7 T is more challenging in other brain regions, such as the auditory cortex....
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