COMPARISON OF VISUAL-EVOKED POTENTIALS ELICITED BY LIGHT-EMITTING-DIODES AND TV MONITOR STIMULATION IN PATIENTS WITH MULTIPLE-SCLEROSIS AND POTENTIALLY RELATED CONDITIONS

被引:3
作者
ANDERSSON, T [1 ]
SIDEN, A [1 ]
机构
[1] HUDDINGE UNIV HOSP,DEPT NEUROL,S-14186 HUDDINGE,SWEDEN
来源
ELECTROENCEPHALOGRAPHY AND CLINICAL NEUROPHYSIOLOGY | 1994年 / 92卷 / 06期
关键词
VISUAL EVOKED POTENTIALS; LIGHT-EMITTING DIODE (LED) STIMULATION; COLOR; OPTIC NEURITIS; MULTIPLE SCLEROSIS;
D O I
10.1016/0168-5597(94)90130-9
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Visual evoked potentials elicited by reversal of a checkerboard pattern constructed of square, red light-emitting diodes (LEDs) were compared with a conventional black and white pattern displayed on a TV monitor in control subjects and in 71 patients with established or suspected multiple sclerosis. Both stimuli elicited distinct responses in the control groups: the latencies were longer with LED stimulation while the amplitudes of the various components were differently altered. The frequency of abnormal responses among the patients was higher with LED stimulation than with TV stimulation, but the highest diagnostic yield was obtained when both methods were combined.
引用
收藏
页码:473 / 479
页数:7
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