Quantitative assessment of influence of aging on optokinetic nystagmus

Isao Kato, Makoto Ishikawa, Tadashi Nakamura, Jin Watanabe, Koji Harada, Ryoji Kanayama, Masaru Aoyagi, Yoshio Koike

研究成果: Article査読

7 被引用数 (Scopus)

抄録

A quantitative assessment of the influence of aging on optokinetic nystagmus (OKN) was investigated using 50 normal adults in ages ranging from 30 to 70 years. In linear stimulus-induced OKN, a statistically significant difference was demonstrated in slow-phase OKN velocity only between the 30-59 year old age group and the 70-79-year-old age group, when OKN stimulus was more than 60°s. Step stimulus-induced OKN was investigated in the same age groups in order to compare aging effects upon slow-phase OKN velocity. No statistically significant difference was found in slow-phase OKN velocity between younger age groups and the oldest age group. There was no significant difference in fast-phase velocity among the age groups. Thus, step-induced OKN has a wider clinical application than linear stimulus-induced OKN.

本文言語English
ページ(範囲)99-103
ページ数5
ジャーナルActa Oto-Laryngologica
114
S511
DOI
出版ステータスPublished - 1994
外部発表はい

ASJC Scopus subject areas

  • 耳鼻咽喉科学

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