SIMULTANEOUS VEP AND PERG INVESTIGATIONS IN EARLY PARKINSONS-DISEASE

被引:28
作者
CALZETTI, S [1 ]
FRANCHI, A [1 ]
TARATUFOLO, G [1 ]
GROPPI, E [1 ]
机构
[1] UNIV PARMA,IST OFTALMOL,I-43100 PARMA,ITALY
关键词
D O I
10.1136/jnnp.53.2.114
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
To evaluate whether visual evoked potential (VEP) and pattern electroretinogram (PERG) abnormalities may be detectable early in the course of Parkinson's disease (PD) and to assess a possible interdependence between retinal and cortical potentials, simultaneous VEP and PERG were carried out in nine patients with early PD. The mean (SD) duration of the disease was 10 (6) months. None of the patients had been previously treated with levodopa or other anti-parkinsonian drugs. The results show VEP and PERG abnormalities that are spatial stimulus dependent, with higher frequencies being more involved and also indicate that VEP changes are not entirely dependent on alterations at the retinal level.
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页码:114 / 117
页数:4
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