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目的了解中国老年人、忽视症、忽视症伴偏盲、单纯偏盲患者线等分试验的表现,探讨线等分试验对忽视症与偏盲的诊断价值及其神经心理学机制。方法对30例身体健康的中国老年人(正常对照组)以及73例单侧脑损伤患者(试验组)进行线等分试验检查,同时对73例单侧脑损伤患者进行忽视、偏盲检查。结果据忽视、偏盲检查结果将试验组分为单纯忽视症组、忽视症伴偏盲组和单纯偏盲组进行分析。正常对照组线等分试验无论左手、右手皆左向偏移,且左手偏移明显,两者相比差异有显著性(P<0.001)。单纯忽视症组线等分试验多半偏向脑损伤的同侧,与正常对照组相比差异有显著性(P<0.001);忽视症伴偏盲组与单纯忽视症组线等分试验都偏向脑损伤的同侧,且前者偏移明显,两者相比差异有显著性(P<0.001);单纯偏盲组线等分试验偏向脑损伤的对侧,与正常对照组相比差异有显著性(P<0.05)。结论线等分试验存在左、右手侧别的差别,线等分试验是忽视症较好的检查方法之一,线等分试验不完全和其它忽视症试验相关联,偏盲加重水平线索忽视程度,偏盲不影响线等分试验对忽视症的检测率。线等分试验可用来鉴别单纯偏盲和忽视。
Objective To understand the performance of alimentary tests in elder, neglect, neglect, hemophilia and hemophilia in China, and to explore the diagnostic value and neuropsychological mechanism of line aliquot to neglect and hemianopia. Methods Thirty equally healthy Chinese elderly (control group) and 73 patients with unilateral brain injury (test group) were divided into two groups according to a lineal test. At the same time, 73 patients with unilateral brain injury were neglected and hemilefied. Results According to neglect, hemianopia test results will be divided into experimental group neglect of neglect, ignorance associated with partial hemianopia group and hemianopia group were analyzed. In the normal control group, no significant differences were found between the left and right hands in left-handed and right-handed skews (P <0.001). The neglect group test mostly deviated to the same side of brain injury compared with the normal control group (P <0.001). Neglect group with partial blind test group and neglect group equally favored brain injury (P <0.001). The test of partial blind line bias toward the contralateral side of brain injury showed significant difference compared with that of the normal control group (P <0.001), while the difference of the former was significant <0.05). Conclusion There is difference between the left and right hand in the line aliquot test. The line aliquot is one of the better methods of neglect. The line aliquot is not completely related to other neglect tests, Partial hemifacial does not affect the line aliquot test on the neglect of the detection rate. Line aliquots can be used to identify simple hemianopsia and neglect.