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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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Lepsien_2012_Investigation.pdf (Verlagsversion), 153KB
 
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 Urheber:
Lepsien, Jöran1, Autor           
Mueller, Karsten1, Autor           
von Cramon, D. Yves2, 3, Autor           
Möller, Harald E.1, Autor           
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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Schlagwörter: Cognitive functions; Magnetic resonance imaging; Safety; Static magnetic field
 Zusammenfassung: 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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Sprache(n): eng - English
 Datum: 2012-05-082012-06-212012-10
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1002/jmri.23727
PMID: 22730254
Anderer: Epub 2012
 Art des Abschluß: -

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Titel: Journal of Magnetic Resonance Imaging
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Chicago, IL : Society for Magnetic Resonance Imaging
Seiten: - Band / Heft: 36 (4) Artikelnummer: - Start- / Endseite: 835 - 840 Identifikator: ISSN: 1053-1807
CoNE: https://pure.mpg.de/cone/journals/resource/954925594512