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正常人图形视觉诱发电位 被引量:2

Pattern visual evoked potential in healthy subjects
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摘要 检测了正常人138只眼的图像视觉诱发电位.结果表明,图像视觉诱发电位AN75和AP100随年龄增大而明显变小,LN75和LP100随年龄增大而不同程度地缩短.图像视觉诱发电位AN75和AP100与空间频率密切相关,用大、中、小3种方式剌激时随方格的变小而明显变大.在N75和P100的振幅和潜伏期4项指标中,潜伏期的变异较小,而振幅的变异较大. eyes’patten visual evoked potential(P VEP) of normal persons were measured.The results indicate that P VEP AN 75 and AP 100 become smaller obviously with age.LN 75 and LP 100 become shorter at different degrees with age.P VEP AN 75 and AP 100 have close relationship with spacious frequency.If being stimulated with big,middle and small kinds of checks,they will become big obviously with ohecks' being small.In the four indexes of amplitude and incubation period of wave N 75 and wave P 100 ,the variation of incubation period is comparatively small,and the one of amplitude is just opposite.
出处 《延边大学医学学报》 CAS 1998年第4期286-289,共4页 Journal of Medical Science Yanbian University
关键词 视觉诱发电位 图形 年龄因素 正常人 evoked potentials,visual age factors normal human
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同被引文献4

  • 1吴乐正.正常人视网膜电流图的b波[J].中华眼科杂志,1964,11(2):117-117.
  • 2张敬娥 黄主精.100只正常眼视网膜电流图的测定[J].中华眼科杂志,1964,11(2):112-112.
  • 3何庆华 宋琛 等.正常人眼的叠加视网膜电图[J].眼科研究,1988,6(4):200-200.
  • 4李风鸣.眼科全书(上册)[M].北京:人民卫生出版社,1996.455.

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