Line bisection in hemianopia | Line bisection test

Bisection is measured as % of total line length, rather than cm. Each result is the average of four bisections. The vertical dotted lines mark the borders of ...SkiptomaincontentYouarehereHomeArchiveVolume64, Issue5LinebisectioninhemianopiaEmailalertsArticleTextArticlemenuArticleTextArticleinfoCitationToolsShareRapidResponsesArticlemetricsAlertsPDFShortreportLinebisectioninhemianopiaFreeJasonJSBartona,SandraEBlackbaDepartmentsofNeurologyandOphthalmology,BethIsraelDeaconessMedicalCenter,HarvardMedicalSchool,Boston,Massachusetts,USA,bDivisionofNeurology,SunnybrookHospital,UniversityofToronto,Toronto,Ontario,CanadaDrJJSBarton,DepartmentofNeurologyKS446,BethIsraelHospital,330BrooklineAvenue,Boston,MA02215,USA.Telephone0016176671243;fax0016179755322;emailjbarton{at}bidmc.harvard.eduAbstractTheeffectofhemianopiaonlinebisectionisnotknown.Tostudythis,manuallinebisectionin30patientswithunilateralcerebralhemisphericlesionswasexamined.Themeanbisectionpointinagroupofeightpatientswithlefthemineglectwasbiasedrightward(ipsilaterally),asexpected.Amongtheremaining22patients,eighthadrighthemianopicvisualdefects,eighthadlefthemianopicvisualdefects,andsixhadnormalvisualfields.Bothgroupsofpatientswithcontralateralvisualfielddefectshadmeanbisectionpointsbiasedcontralaterally,comparedwith68normalsubjects.Thisbiaswaslessthantheipsilateral(opposite)biasofpatientswithhemineglect.Contralateralbisectionbiaswasmoreevidentinthosewhosefielddefectinvolvedthemacularregion.Nobiaswasseeninpatientswithneitherfielddefectsnorhemineglect.Thecontralateralbiasinhemianopiamayrepresenteithernon-veridicalspatialrepresentationwithinavisualhemifieldoraconsequenceofthestrategicadaptationofattentionintocontralateralhemispaceafterhemianopia.linebisectionhemianopianeglectattentionhttp://dx.doi.org/10.1136/jnnp.64.5.660StatisticsfromAltmetric.comlinebisectionhemianopianeglectattentionLinebisectionisusedtodiagnosehemineglectafterunilateralcerebrallesions.12Patientswithhemineglectplacetheirbisectionmarksinthehemispace

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Line bisection test | Line bisection test
A simple test in which a person is asked to mark the approximate midpoint of a straight line. People with spatial neglect perform badly on this test, ...
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Line Bisection Test – The Line Bisection Test is a test is a quick measure to detect the presence of unilateral spatial neglect (USN). To complete the test, ...
Line Bisection (Unilateral Neglect) | Line bisection test
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Line bisection in hemianopia | Line bisection test
Bisection is measured as % of total line length, rather than cm. Each result is the average of four bisections. The vertical dotted lines mark the borders of ...
Norm scores of cancelation and bisection tests for unilateral ... | Line bisection test
Line bisection tasks involve marking the midpoint of one or more horizontal lines and may involve lines of different lengths ( 29 ...
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Line bisection has long been a routine test for unilateral neglect, along with a range of tests requiring cancellation, copying or drawing.
Line Bisection Test | Line bisection test
The Schenkenberg Line Bisection Test (Schenkenberg, Bradford, & Ajax, 1980), for example, consists of 20 lines of different sizes that are centered to either ...
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Line Bisection Test – Strokengine | Line bisection test
忽略症候群(Neglect syndrome) | Line bisection test
1. 線二等分測驗(line bisection test)：請患者將線的中央作標記。若患者傷及右側，會發現他在畫記中點時，他的標記點會點在右邊的線群，但忽略 ...
Line Bisection Test – Strokengine | Line bisection test
The Line Bisection Test is a test is a quick measure to detect the presence of unilateral spatial neglect (USN). To complete the test, one must place a mark ...