Publication
The Importance of the Numerical Resolution of the Laplace Equation in the optimization of a Neuronal Stimulation Technique
| datacite.subject.fos | Ciências Naturais::Ciências Físicas | |
| datacite.subject.sdg | 03:Saúde de Qualidade | |
| datacite.subject.sdg | 09:Indústria, Inovação e Infraestruturas | |
| datacite.subject.sdg | 12:Produção e Consumo Sustentáveis | |
| dc.contributor.author | Faria, Paula | |
| dc.date.accessioned | 2025-10-31T11:16:31Z | |
| dc.date.available | 2025-10-31T11:16:31Z | |
| dc.date.issued | 2010-09-30 | |
| dc.description | Conference name - International Conference on Numerical Analysis and Applied Mathematics 2010, ICNAAM-2010; Conference date - 19 September 2010 - 25 September 2010 | |
| dc.description | Fonte: https://www.researchgate.net/figure/Comparison-of-the-focality-between-M1-and-M2-The-figures-show-the-area-in-the-brain_fig1_241325865 | |
| dc.description.abstract | For the past few years, the potential of transcranial direct current stimulation (tDCS) for the treatment of several pathologies has been investigated. Knowledge of the current density distribution is an important factor in optimizing such applications of tDCS. For this goal, we used the finite element method to solve the Laplace equation in a spherical head model in order to investigate the three dimensional distribution of the current density and the variation of its intensity with depth using different electrodes montages: the traditional one with two sponge electrodes and new electrode montages: with sponge and EEG electrodes and with EEG electrodes varying the numbers of electrodes. The simulation results confirm the effectiveness of the mixed system which may allow the use of tDCS and EEG recording concomitantly and may help to optimize this neuronal stimulation technique. The numerical results were used in a promising application of tDCS in epilepsy. | eng |
| dc.identifier.citation | Paula Faria; The Importance of the Numerical Resolution of the Laplace Equation in the optimization of a Neuronal Stimulation Technique. AIP Conf. Proc. 30 September 2010; 1281 (1): 1199–1202. https://doi.org/10.1063/1.3497884. | |
| dc.identifier.doi | 10.1063/1.3497884 | |
| dc.identifier.eissn | 1551-7616 | |
| dc.identifier.issn | 0094-243X | |
| dc.identifier.uri | http://hdl.handle.net/10400.8/14438 | |
| dc.language.iso | eng | |
| dc.peerreviewed | yes | |
| dc.publisher | American Institute of Physics | |
| dc.relation.hasversion | https://pubs.aip.org/aip/acp/article-abstract/1281/1/1199/869269/The-Importance-of-the-Numerical-Resolution-of-the?redirectedFrom=fulltext | |
| dc.relation.ispartof | AIP Conference Proceedings | |
| dc.rights.uri | N/A | |
| dc.subject | Finite Element Method | |
| dc.subject | Laplace Equation | |
| dc.subject | Electric Stimulation | |
| dc.title | The Importance of the Numerical Resolution of the Laplace Equation in the optimization of a Neuronal Stimulation Technique | eng |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| oaire.citation.endPage | 1202 | |
| oaire.citation.issue | 1 | |
| oaire.citation.startPage | 1199 | |
| oaire.citation.title | AIP Conference Proceedings | |
| oaire.citation.volume | 1281 | |
| oaire.version | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |
| person.familyName | Pascoal-Faria | |
| person.givenName | Paula | |
| person.identifier.ciencia-id | E01D-874A-4145 | |
| person.identifier.orcid | 0000-0003-1474-9496 | |
| relation.isAuthorOfPublication | ebb27133-d9ce-4f58-a4ca-f75a786bbc2e | |
| relation.isAuthorOfPublication.latestForDiscovery | ebb27133-d9ce-4f58-a4ca-f75a786bbc2e |
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- For the past few years, the potential of transcranial direct current stimulation (tDCS) for the treatment of several pathologies has been investigated. Knowledge of the current density distribution is an important factor in optimizing such applications of tDCS. For this goal, we used the finite element method to solve the Laplace equation in a spherical head model in order to investigate the three dimensional distribution of the current density and the variation of its intensity with depth using different electrodes montages: the traditional one with two sponge electrodes and new electrode montages: with sponge and EEG electrodes and with EEG electrodes varying the numbers of electrodes. The simulation results confirm the effectiveness of the mixed system which may allow the use of tDCS and EEG recording concomitantly and may help to optimize this neuronal stimulation technique. The numerical results were used in a promising application of tDCS in epilepsy.
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