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  Investigation of higher-order cognitive functions during exposure to a high static magnetic field

Lepsien, J., Mueller, K., von Cramon, D. Y., & Möller, H. E. (2012). Investigation of higher-order cognitive functions during exposure to a high static magnetic field. Journal of Magnetic Resonance Imaging, 36(4), 835-840. doi:10.1002/jmri.23727.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-ECF9-B Version Permalink: http://hdl.handle.net/21.11116/0000-0004-5C0F-6
Genre: Journal Article

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Lepsien_2012_Investigation.pdf (Publisher version), 153KB
 
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 Creators:
Lepsien, Jöran1, Author              
Mueller, Karsten1, Author              
von Cramon, D. Yves2, 3, Author              
Möller, Harald E.1, Author              
Affiliations:
1Methods and Development Unit Nuclear Magnetic Resonance, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634558              
2Max Planck Institute for Neurological Research, Cologne, Germany, ou_persistent22              
3Department Cognitive Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634563              

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Free keywords: Cognitive functions; Magnetic resonance imaging; Safety; Static magnetic field
 Abstract: Purpose: To test for potential changes in higher-order cognitive processes related to the exposure to a high static magnetic field. Materials and Methods: Twenty-four healthy volunteers participated in two experimental sessions inside a 3 Tesla (T) magnetic resonance imaging (MRI) magnet. During one session the magnetic field was ramped down. The tasks consisted of six well-established paradigms probing a variety of cognitive functions. Reaction times (RT) and accuracies (AC) were recorded for statistical analysis. Results: The overall performance was very similar in both sessions. Strong task-specific effects (all P < 0.006) were consistent with previously published results. Direct comparisons of task-specific effects between the two sessions (magnetic field on or off) remained insignificance for all paradigms (RT: all P > 0.196; AC: all P > 0.17; no corrections for multiple comparisons). Conclusion: The results did not indicate any apparent safety concerns with respect to cognitive performance in a static magnetic field of a typical whole-body magnet. In addition, comparisons of cognitive effects from testing situations with and without exposure to high static magnetic fields can be considered valid.

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Language(s): eng - English
 Dates: 2012-05-082012-06-212012-10
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1002/jmri.23727
PMID: 22730254
Other: Epub 2012
 Degree: -

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Title: Journal of Magnetic Resonance Imaging
Source Genre: Journal
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Publ. Info: Chicago, IL : Society for Magnetic Resonance Imaging
Pages: - Volume / Issue: 36 (4) Sequence Number: - Start / End Page: 835 - 840 Identifier: ISSN: 1053-1807
CoNE: /journals/resource/954925594512