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Novel methodology to characterize electromagnetic exposure of the brain

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dc.contributor.author Crespo-Valero, P en
dc.contributor.author Christopoulou, M en
dc.contributor.author Zefferer, M en
dc.contributor.author Christ, A en
dc.contributor.author Achermann, P en
dc.contributor.author Nikita, KS en
dc.contributor.author Kuster, N en
dc.date.accessioned 2014-03-01T01:36:30Z
dc.date.available 2014-03-01T01:36:30Z
dc.date.issued 2011 en
dc.identifier.issn 0031-9155 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/21316
dc.subject.classification Engineering, Biomedical en
dc.subject.classification Radiology, Nuclear Medicine & Medical Imaging en
dc.subject.other Application examples en
dc.subject.other Brain tissue en
dc.subject.other Cell phone en
dc.subject.other Central nervous systems en
dc.subject.other Electromagnetic exposure en
dc.subject.other Electromagnetic sources en
dc.subject.other Epidemiological studies en
dc.subject.other Finite difference time domain simulations en
dc.subject.other High resolution en
dc.subject.other Human Model en
dc.subject.other Human study en
dc.subject.other Key issues en
dc.subject.other Labeling scheme en
dc.subject.other Medical diagnostics en
dc.subject.other Nonuniform field en
dc.subject.other Novel methodology en
dc.subject.other Radio frequencies en
dc.subject.other Talairach atlas en
dc.subject.other Electromagnetic field effects en
dc.subject.other Electromagnetic fields en
dc.subject.other Finite difference time domain method en
dc.subject.other Telecommunication equipment en
dc.subject.other Dosimetry en
dc.title Novel methodology to characterize electromagnetic exposure of the brain en
heal.type journalArticle en
heal.identifier.primary 10.1088/0031-9155/56/2/007 en
heal.identifier.secondary http://dx.doi.org/10.1088/0031-9155/56/2/007 en
heal.language English en
heal.publicationDate 2011 en
heal.abstract Due to the greatly non-uniform field distribution induced in brain tissues by radio frequency electromagnetic sources, the exposure of anatomical and functional regions of the brain may be a key issue in interpreting laboratory findings and epidemiological studies concerning endpoints related to the central nervous system. This paper introduces the Talairach atlas in characterization of the electromagnetic exposure of the brain. A hierarchical labeling scheme is mapped onto high-resolution human models. This procedure is fully automatic and allows identification of over a thousand different sites all over the brain. The electromagnetic absorption can then be extracted and interpreted in every region or combination of regions in the brain, depending on the characterization goals. The application examples show how this methodology enhances the dosimetry assessment of the brain based on results obtained by either finite difference time domain simulations or measurements delivered by test compliance dosimetry systems. Applications include, among others, the detailed dosimetric analysis of the exposure of the brain during cell phone use, improved design of exposure setups for human studies or medical diagnostic and therapeutic devices using electromagnetic fields or ultrasound. © 2011 Institute of Physics and Engineering in Medicine Printed in the UK. en
heal.publisher IOP PUBLISHING LTD en
heal.journalName Physics in Medicine and Biology en
dc.identifier.doi 10.1088/0031-9155/56/2/007 en
dc.identifier.isi ISI:000285743000009 en
dc.identifier.volume 56 en
dc.identifier.issue 2 en
dc.identifier.spage 383 en
dc.identifier.epage 396 en


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