Publication
How the Number and Distance of Electrodes Change the Induced Electric Field in the Cortex during Multichannel tDCS
| dc.contributor.author | Videira, Andreia S. | |
| dc.contributor.author | Canadas, Diogo | |
| dc.contributor.author | De O. Pires, Leonor | |
| dc.contributor.author | Andrade, Alexandre | |
| dc.contributor.author | Ferreira, Hugo A. | |
| dc.contributor.author | Miranda, Pedro C. | |
| dc.contributor.author | Fernandes, Sofia R. | |
| dc.date.accessioned | 2025-03-13T17:59:44Z | |
| dc.date.available | 2025-03-13T17:59:44Z | |
| dc.date.issued | 2022 | |
| dc.description.abstract | Multichannel transcranial direct current stimulation (tDCS) is a promising approach to target neuromodulation of neural networks by making use of variable number of electrodes and distances to facilitate/inhibit specific connectivity patterns. Optimization of the electric field (EF) spatial distribution through computational models can provide a more accurate definition of the stimulation settings that are more effective. In this study, we investigate the effect of increasing the number of cathodes around a central anode placed over the target. We demonstrate that anode-cathode distance has the largest influence in the EF and using more than 3 cathodes did not result in considerable changes in the EF magnitude and direction. This could be relevant for simultaneous tDCS-electroencephalography (EEG) applications, by saving electrode positions for EEG acquisition. Clinical Relevance- This study demonstrates that distance between electrodes is more relevant than electrode number in determining the electric field distribution, and that a highly-focused stimulation can be equally effective with fewer electrodes. | pt_PT |
| dc.description.version | info:eu-repo/semantics/publishedVersion | pt_PT |
| dc.identifier.doi | 10.1109/EMBC48229.2022.9871114 | pt_PT |
| dc.identifier.uri | http://hdl.handle.net/10400.5/99317 | |
| dc.language.iso | eng | pt_PT |
| dc.peerreviewed | yes | pt_PT |
| dc.relation | Fundação para a Ciência e Tecnologia (FCT) in the scope of the FCT-IBEB Strategic Project UIDB/00645/2020. | pt_PT |
| dc.subject | Transcranial direct current stimulation | pt_PT |
| dc.subject | Neuromodulation | pt_PT |
| dc.subject | Electroencephalography | pt_PT |
| dc.subject | Neural networks | pt_PT |
| dc.title | How the Number and Distance of Electrodes Change the Induced Electric Field in the Cortex during Multichannel tDCS | pt_PT |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| oaire.citation.conferencePlace | Glasgow, United Kingdom | pt_PT |
| oaire.citation.endPage | 2360 | pt_PT |
| oaire.citation.startPage | 2357 | pt_PT |
| oaire.citation.title | 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC) | pt_PT |
| rcaap.rights | openAccess | pt_PT |
| rcaap.type | article | pt_PT |