Computer Analysis of Fixation-Suppression of Caloric Nystagmus
作者:
I. Kato,
T. Nakamura,
Y. Koike,
Y. Watanabe,
期刊:
ORL
(Karger Available online 1982)
卷期:
Volume 44,
issue 5
页码: 277-287
ISSN:0301-1569
年代: 1982
DOI:10.1159/000275604
出版商: S. Karger AG
关键词: Caloric nystagmus;Computer analysis;Fixation-suppression
数据来源: Karger
摘要:
Effects of the ocular fixation upon caloric nystagmus were quantitatively analyzed and compared between normal subjects and patients by using a PDP 11/40 computer. The slow-phase velocity was the best parameter to separate normal from abnormal visual fixation. An analysis of caloric nystagmus with failure of fixation-suppression (FFS) made it possible to classify patterns of FFS into three types. The combination of FFS with impairment of the optokinetic responses provides a useful diagnostic tool with respect to lesions located between the brain stem and the cerebellum.
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