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research
Comparison of Horizontal, Vertical and Diagonal Smooth Pursuit Eye Movements in Normal Human Subjects
Authors
LEA AVERBUCH-HELLER
VALLABH E. DAS
+5 more
ALFRED O. DISCENNA
R.JOHN LEIGH
ANUCHIT POONYATHALANG
KLAUS G. ROTTACH
ARI Z. ZIVOTOFSKY
Publication date
31 July 1996
Publisher
Elsevier Science Ltd.
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Abstract
AbstractWe compared horizontal and vertical smooth pursuit eye movements in five healthy human subjects. When maintenance of pursuit was tested using predictable waveforms (sinusoidal or triangular target motion), the gain of horizontal pursuit was greater, in all subjects, than that of vertical pursuit; this was also the case for the horizontal and vertical components of diagonal and circular tracking. When initiation of pursuit was tested, four subjects tended to show larger eye accelerations for vertical as opposed to horizontal pursuit; this trend became a consistent finding during diagonal tracking. These findings support the view that different mechanisms govern the onset of smooth pursuit, and its subsequent maintenance when the target moves in a predictable waveform. Since the properties of these two aspects of pursuit differ for horizontal and vertical movements, our findings also point to separate control of horizontal and vertical pursuit. Copyright © 1996 Elsevier Science Ltd
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Last time updated on 05/06/2019
Elsevier - Publisher Connector
See this paper in CORE
Go to the repository landing page
Download from data provider
Last time updated on 04/05/2017