Hemianopia, hemianesthesia, and spatial neglect | Neurology

In all patients, the cortical evoked responses to ipsilateral stimulation were normal. In patients with spatial hemineglect, hemianopia and ... Skiptomaincontent Share December01,1991;41(12)Articles Hemianopia,hemianesthesia,andspatialneglectAstudywithevokedpotentials G.Vallar,P.Sandroni,M.L.Rusconi,S.Barbieri FirstpublishedDecember1,1991,DOI:https://doi.org/10.1212/WNL.41.12.1918 G.VallarFindthisauthoronGoogleScholar FindthisauthoronPubMed Searchforthisauthoronthissite P.SandroniFindthisauthoronGoogleScholar FindthisauthoronPubMed Searchforthisauthoronthissite M.L.RusconiFindthisauthoronGoogleScholar FindthisauthoronPubMed Searchforthisauthoronthissite S.BarbieriFindthisauthoronGoogleScholar FindthisauthoronPubMed Searchforthisauthoronthissite FullPDF Citation Hemianopia,hemianesthesia,andspatialneglectAstudywithevokedpotentials G.Vallar,P.Sandroni,M.L.Rusconi,S.Barbieri NeurologyDec1991,41(12)1918;DOI:10.1212/WNL.41.12.1918 CitationManagerFormats BibTeX Bookends EasyBib EndNote(tagged) EndNote8(xml) Medlars Mendeley Papers RefWorksTagged RefManager RIS Zotero Permissions MakeComment SeeComments Downloads400 Share Article Info&Disclosures Abstract Werecordedsomatosensoryorvisualevokedpotentials(SEPs,VEPs)tostimulicontralateralandipsilateraltothelesioninthreeright-brain-damagedpatientswithleftspatialhemineglectandinthreeleft-brain-damagedpatientswithoutevidenceofneglect,asassessedbyvisualexploratorytasks.Allpatientshadcontralateralhomonymoushemianopiaorhemianesthesia.ThethreeneglectpatientsshowednormalSEPsorVEPstostimulideliveredtothelefthalf-fieldortothelefthand,withoutconsciousperceptionandverbalreportofthestimulation.Bycontrast,thethreeleft-brain-damagedpatientswithoutneglectshowednorecognizablecorticalevokedresponsetocontralateralvisualorsomatosensorystimuli.Inallpatients,thecorticalevokedresponsestoipsilateralstimulationwerenormal.Inpatientswithspatialhemineglect,hemianopiaandhemianesthesiamaybemanifestationsoftheneglectsyndrome(visualandsomatosensoryhemi-inattention),ratherthanrepresentingprimarysensorydeficit.Visualandsomatosensoryhemi-inattentionmaybeduetodefectiveaccesstotheneuralprocessessubservingconsciousperceptionbyinformationthathasundergoneearlysensoryprocessing. ©1991byEdgellCommunications,Inc. 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