artículo de publicación periódica.page.titleprefix
Obtaining accurate and calibrated coil models for transcranial magnetic stimulation using magnetic field measurements

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dc.contributor.authorMancino, Axel
dc.contributor.authorMilano, Federico E.
dc.contributor.authorMartín-Bertuzzi, Fiorella
dc.contributor.authorYampolsky, C. G.
dc.contributor.authorRitacco, Lucas E.
dc.contributor.authorRisk, Marcelo
dc.dateinfo:eu-repo/semantics/embargoedAccess/2021-12-10
dc.date.accessioned2020-12-17T19:48:24Z
dc.date.available2020-12-17T19:48:24Z
dc.date.issued2020
dc.description.abstract"Currently, simulations of the induced currents in the brain produced by transcranial magnetic stimulation (TMS) are used to elucidate the regions reached by stimuli. However, models commonly found in the literature are too general and neglect imperfections in the windings. Aiming to predict the stimulation sites in patients requires precise modeling of the electric field (E-field), and a proper calibration to adequate to the empirical data of the particular coil employed. Furthermore, most fabricators do not provide precise information about the coil geometries, and even using X-ray images may lead to subjective interpretations. We measured the three components of the vector magnetic field induced by a TMS figure-8 coil with spatial resolutions of up to 1 mm. Starting from a computerized tomography-based coil model, we applied a multivariate optimization algorithm to automatically modify the original model and obtain one that optimally fits the measurements. Differences between models were assessed in a human brain mesh using the finite-elements method showing up to 6% variations in the E-field magnitude. Our calibrated model could increase the precision of the estimated E-field induced in the brain during TMS, enhance the accuracy of delivered stimulation during functional brain mapping, and improve dosimetry for repetitive TMS."en
dc.identifier.issn0140-0118
dc.identifier.urihttp://ri.itba.edu.ar/handle/123456789/3261
dc.language.isoeses
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/10.1007/s11517-020-02156-2
dc.subjectCALIBRACIONes
dc.subjectCAMPOS MAGNETICOSes
dc.subjectMAPEO CEREBRALes
dc.titleObtaining accurate and calibrated coil models for transcranial magnetic stimulation using magnetic field measurementsen
dc.typeArtículos de Publicaciones Periódicases
dc.typeinfo:eu-repo/semantics/acceptedVersion
dspace.entity.typeArtículo de Publicación Periódica
itba.description.filiationFil: Mancino, Axel. Instituto Tecnológico de Buenos Aires; Argentina.
itba.description.filiationFil: Mancino, Axel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.
itba.description.filiationFil: Mancino, Axel. Instituto de Medicina Traslacional e Ingeniería Biomédica; Argentina.
itba.description.filiationFil: Milano, Federico E. Instituto Tecnológico de Buenos Aires; Argentina.
itba.description.filiationFil: Martín-Bertuzzi, Fiorella. Hospital Italiano de Buenos Aires; Argentina.
itba.description.filiationFil: Yampolsky, C. G. Hospital Italiano de Buenos Aires; Argentina.
itba.description.filiationFil: Ritacco, Lucas E. Instituto Tecnológico de Buenos Aires; Argentina.
itba.description.filiationFil: Ritacco, Lucas E. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.
itba.description.filiationFil: Risk, Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.

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