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Communication Dans Un Congrès Année : 2018

Automatic Electrodes Detection during simultaneous EEG/fMRI acquisition

Résumé

Simultaneous EEG/fMRI acquisition allows to measure brain activity at high spatial-temporal resolution. The localisation ofEEG sources depends on several parameters including the position of the electrodes on the scalp. The position of the MRelectrodes during its acquisitions is obtained with the use of the UTE sequence allowing their visualisation. The retrieval ofthe electrodes consists in obtaining the volume where the electrodes are located by applying a sphere detectionalgorithm. We detect around 90% of electrodes for each subject, and our UTE-based electrode detection showed anaverage position error of 3.7mm for all subjects.
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Dates et versions

hal-01874815 , version 1 (17-09-2018)

Licence

Paternité - Pas d'utilisation commerciale

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Mathis Fleury, Pierre Maurel, Marsel Mano, Elise Bannier, Christian Barillot. Automatic Electrodes Detection during simultaneous EEG/fMRI acquisition. ISMRM 2018, Jun 2018, Paris, France. pp.1-3, ⟨10.1101/395806⟩. ⟨hal-01874815⟩
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