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  Physiological MR signal variations within the brain at 3 T

Klose, U., Friese, S., Erb, M., & Grodd, W. (2007). Physiological MR signal variations within the brain at 3 T. Biomedizinische Technik, 52(1), 126-129. doi:10.1515/BMT.2007.024.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-CCB5-B Version Permalink: http://hdl.handle.net/21.11116/0000-0003-CCB6-A
Genre: Journal Article

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Klose, U, Author
Friese, S, Author
Erb, M1, Author              
Grodd, W1, Author              
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1External Organizations, ou_persistent22              

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 Abstract: The echoplanar technique in magnetic resonance (MR) imaging allows the acquisition of a series of images from a selected slice with a temporal resolution of 10/s. Simultaneous recording of physiological information on pulse and respiration allows correlation of the MR signal intensity with physiological signals, which can be obtained for each pixel examined. Such correlations can be found within the cerebrospinal fluid (CSF) spaces and within vessels if a flow-sensitive MR measurement technique is used. The use of an MR scanner with a field strength of 3 T improves the signal/noise ratio, but there is a stronger signal decay due to local magnetic inhomogeneities. This study shows that 3-T systems can be used for correlation of MR and physiological signals and that clear differentiation between signals from CSF and from vessels can be obtained due to their strongly different signal decays.

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 Dates: 2007-02
 Publication Status: Published in print
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 Identifiers: DOI: 10.1515/BMT.2007.024
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Title: Biomedizinische Technik
  Other : Biomedical engineering
  Abbreviation : Biomed. Techn.
Source Genre: Journal
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Publ. Info: Berlin : de Gruyter
Pages: - Volume / Issue: 52 (1) Sequence Number: - Start / End Page: 126 - 129 Identifier: ISSN: 0013-5585
CoNE: https://pure.mpg.de/cone/journals/resource/0013-5585