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via Experimental Brain Research (Online First™) on 1/17/11
Abstract
A slow oscillatory eye movement was discovered in a 20-min-long recording. The frequency of this slow oscillation was lower than any known eye movement. Fixational eye movements were recorded in seven healthy subjects with four different recording techniques and with different sampling frequencies. The frequency of the oscillation is 0.04–0.10 Hz, and the amplitude is less than 0.2°. Right and left eyes oscillate conjugately in the vertical direction implying a neural control. We suggest the oscillation to be a fourth movement in the fixational eye movement system. The influence of the oscillation on visual function is not known nor the underlying mechanism controlling the eye movement.
- Content Type Journal Article
- Pages 1-8
- DOI 10.1007/s00221-010-2457-2
- Authors
- T. Pansell, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
- B. Zhang, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
- R. Bolzani, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
- J. Ygge, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Journal Experimental Brain Research
- Online ISSN 1432-1106
- Print ISSN 0014-4819
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