Analysis of optokinetic nystagmus in patients with localized lesions of unilateral visual cortices.

Analysis of optokinetic nystagmus in patients with localized lesions of unilateral visual cortices. Research Abstract Details 

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Analysis of optokinetic nystagmus in patients with localized lesions of unilateral visual cortices. Abstract Text:

K Kaga,N Furuya,J Suzuki,K Yamada,

Optokinetic nystagmus (OKN) asymmetry in 4 patients with localized lesions of the unilateral visual cortices (2 in the right hemisphere and 2 in the left hemisphere), confirmed at autopsy or by CAT scan, was detected by computer analysis. The ENG recordings showed typical asymmetry of OKP: lower amplitude in the contralateral optokinetic pattern (OKP) than on the side with the visual cortex lesion. Analysis of this asymmetry revealed lower amplitude, remarkably impaired slow-phase velocity, and mildly impaired fast-phase velocity, with a slight difference in number of OKN. The findings suggested that asymmetry of OKP in patients with localized lesions of the unilateral visual cortices is primarily caused by the impaired slow-phase velocity of the contralateral OKN because of a slight change in number of OKN.

Analysis of optokinetic nystagmus in patients with localized lesions of unilateral visual cortices. Publishing Authors By Initials

K Kaga,N Furuya,J Suzuki,K Yamada,

For similar nervous system: central nervous system: brain: prosencephalon: telencephalon: cerebrum: cerebral cortex: occipital lobe: visual cortex research abstracts see: nervous system: central nervous system: brain: prosencephalon: telencephalon: cerebrum: cerebral cortex: occipital lobe: visual cortex research

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Analysis of optokinetic nystagmus in patients with localized lesions of unilateral visual cortices. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Acta oto-laryngologica. Supplementum

VOLUME: 468

Page Numbers: 197-203

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ISSN: 0365-5237

DAY: 13

MONTH: 02

YEAR: 1989

Analysis of optokinetic nystagmus in patients with localized lesions of unilateral visual cortices. Information

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LANGUAGE: eng

NlmUniqueID: 370355

Analysis of optokinetic nystagmus in patients with localized lesions of unilateral visual cortices. Keywords Mesh Terms:

KEYWORDS: Visual Cortex

MESH TERMS: radiography

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Grant and Affiliation Information for Analysis of optokinetic nystagmus in patients with localized lesions of unilateral visual cortices.

AFFILIATION: Department of Otolaryngology, Teikyo University School of Medicine, Tokyo, Japan.

Country: SWEDEN

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MEDLINETA: Acta Otolaryngol Suppl

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