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1、Proceedingsofthe28thIEEEThBP2.2EMBSAnnualInternationalConferenceNewYorkCity,USA,Aug30-Sept3,2006RemovalofocularartifactsforhighresolutionEEGstudies:asimulationstudyb,gbbc,bbLauraAstolfi,FeboCincotti,DonatellaMattia,FabioBabiloni,MariaGraziaMarciani,Fabriziod,bbefaDeVi
2、coFallani,MarcoMattiocco,FumikazuMiwakeichi,YokoYamaguchi,PabloMartinez,ggaaSerenellaSalinari,AndreaTocci,HovagimBakardjian,FrancoisBenoitVialatteandAndrzejaCichockiaLaboratoryforAdvancedBrainSignalProcessingRiken,BrainScienceInstitute,JapanbIRCCS"FondazioneSantaLucia
3、",Rome,ItalycDipartimentodiFisiologiaumanaeFarmacologia,Rome,ItalydCentrodiRicercade"LaSapienza"perl'AnalisideiModelliedell'InformazioneneiSistemiBiomedici,Rome,ItalyfLaboratoryforDynamicsofEmergentIntelligence,Riken,BrainScienceInstitute,JapaneDepartmentofMedicalSyst
4、emEngineering,FacultyofEngineering,ChibaUniversity,JapangDep.ofInformaticaeSistemistica,Univ.ofRome“LaSapienza”,Rome,ItalyAbstract—Eyemovementsandblinksmayproduceunusualaffectedbytheoccurrenceoftheseocularartifactsonthevoltagechangesthatpropagatesfromtheeyeballthrough
5、theEEGdataInfact,subtleeyemovementsinvolvedinevenheadasvolumeconductoruptothescalpelectrodes,well-controlledtasks,generateoverthefrontalareasscalpgeneratingsevereelectroencephalographicartifacts.Severalpotentialartifactsthatcanbeprojectedbythelinearmethodsarenowavaila
6、bletocorrectthedistortioninducedbyproceduresoncorticalareaslocatedfrontally.TheoriginoftheseeventsontheEEG,havingdifferentadvantagesandsuchartifactsisduetothepotentialdifferenceexistingdrawbacks.Themainfocusofthisworkistoquantifythethroughtheeyeball(betweenretinaandco
7、rnea)whichperformanceoftheremovalofEOGartifactduetotheapplicationoftheindependentcomponentanalysis(ICA)duringblinksisshortcut,generatingasignalthatpropagatesmethodology.Theprecisequantificationoftheeffectsofthroughthevolumeconductionarrivingtothescalpsensors.artifactr
8、emovalbyICAispossiblebyusingasimulationsetup,Suchsignal,whichismeasuredbytheelectrooculogram[1],witharealisticheadmodel,that
