Video 1 illustrates involuntary limb movements of the left arm and hand that often counteract actions of the right hand. The affected limb exhibits ...SkiptomaincontentShareSeptember11,2018;91(11)VideoNeuroImagesAlienhandsyndromeSarahBarbaraElisaDebray,JelleDemeestereFirstpublishedSeptember10,2018,DOI:https://doi.org/10.1212/WNL.0000000000006172SarahBarbaraElisaDebrayFromtheDepartmentofNeurology(S.B.E.D.,J.D.),UniversityHospitalsLeuven;DepartmentofNeurosciences(J.D.),ExperimentalNeurology,KULeuven–UniversityofLeuven;andLaboratoryofNeurobiology(J.D.),VIBCenterforBrain&DiseaseResearch,Leuven,Belgium.FindthisauthoronGoogleScholarFindthisauthoronPubMedSearchforthisauthoronthissiteJelleDemeestereFromtheDepartmentofNeurology(S.B.E.D.,J.D.),UniversityHospitalsLeuven;DepartmentofNeurosciences(J.D.),ExperimentalNeurology,KULeuven–UniversityofLeuven;andLaboratoryofNeurobiology(J.D.),VIBCenterforBrain&DiseaseResearch,Leuven,Belgium.FindthisauthoronGoogleScholarFindthisauthoronPubMedSearchforthisauthoronthissiteFullPDFCitationAlienhandsyndromeSarahBarbaraElisaDebray,JelleDemeestereNeurologySep2018,91(11)527;DOI:10.1212/WNL.0000000000006172CitationManagerFormatsBibTeXBookendsEasyBibEndNote(tagged)EndNote8(xml)MedlarsMendeleyPapersRefWorksTaggedRefManagerRISZoteroPermissionsMakeCommentSeeCommentsDownloads2099ShareArticleInfo&DisclosuresA94-year-oldpatientdevelopedthealienhandsyndromeintheleft(nondominant)handfollowinganischemicstrokeoftherightparietotemporallobe(includingpostcentralgyrus,superiorandinferiorparietallobule)duetoanocclusionoftheposteriordivisionoftherightmiddlecerebralartery.Video1illustratesinvoluntarylimbmovementsoftheleftarmandhandthatoftencounteractactionsoftherighthand.Theaffectedlimbexhibitscompulsivemanipulationssuchasgraspingandfidgeting.Thepatientacknowledgesownershipoftheaffectedlimbbutexperiencesasenseoflossofcontrolandfrustration.Video1Thisvideoillustratestherareentityofalienhand/limbsyndrome,aphenomenoncharacterizedbyinvoluntarylimbmovementsandasenseofl