TYPEOriginalResearchPUBLISHEDMayDOI./fnins..OPENACCESSFunctional-oriented,portablebrain–computerinterfacetrainingEDITEDBYforhandmotorrecoveryafterstroke:arandomizedcontrolledStefanJunGroiss,studyUniversityHospitalofDüsseldorf,GermanyJianghongFu†,ShugengChen†,XiaokangShu,YifangLin,REVIEWEDBYZewuJiang,DongshuaiWei,JiajiaGaoandJieJia,,John-IhLee,DepartmentofRehabilitationMedicine,HuashanHospit...