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  Functional Magnetic Resonance Spectroscopy (fMRS) using metabolite cycled semi-LASER at 9.4T: a pilot study

Giapitzakis, I., Avdievitch, N., Manohar, S., Fichtner, N., Kreis, R., & Henning, A. (2017). Functional Magnetic Resonance Spectroscopy (fMRS) using metabolite cycled semi-LASER at 9.4T: a pilot study. In 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017) (pp. 277-277).

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-C5B8-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-F324-5
Genre: Meeting Abstract

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 Creators:
Giapitzakis, IA1, 2, 3, Author              
Avdievitch, N1, 2, 3, Author              
Manohar, SM1, 2, Author              
Fichtner, N, Author
Kreis, R, Author
Henning, A1, 2, 3, Author              
Affiliations:
1Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528692              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
3Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Abstract: The purpose of this work is to explore the potentials of fMRS under a visual stimulation at 9.4T using a metabolite cycled (MC) semi-LASER sequence. The MC technique allows for simultaneous acquisition of water and metabolite spectra enabling the synchronous investigation of dynamic alternations of BOLD signal and metabolite levels. Correlation of FWHMCr and FWHMNAA with SNRwater is demonstrated. The influence of misaligned subtraction is evaluated and the requirement of linewidth, frequency and phase-correction is highlighted. Finally, all previously reported alterations of upfield metabolites are confirmed and for first time also potential difference of downfield metabolites are observed.

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 Dates: 2017-04-25
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: GiapitzakisAMFKH2017
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Title: 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017)
Place of Event: Honolulu, HI, USA
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Title: 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 0402 Start / End Page: 277 - 277 Identifier: -