POWER SPECTRA FOR OCULAR DRIFT AND TREMOR
POWER SPECTRA FOR OCULAR DRIFT AND TREMOR
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DOI：
10.1016/0042-6989(85)90134-8
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发表时间：
1985-01-01
期刊：
影响因子：
1.8
通讯作者：
FRECKER, RC
中科院分区：
文献类型：
--
作者：
EIZENMAN, M;HALLETT, PE;FRECKER, RC
在固定过程中的眼睛的位置已被测量无接触和漂移和震颤的眼球运动的功率谱已被估计。在0-40 Hz的频率范围内，功率随频率下降，大致为l/f2。在40-100 Hz频率范围内，主要的谱成分是一个宽谱峰，其峰值幅度约为6弧。宽光谱峰的形状取决于固定方向。一个模型，定性地解释了功率谱函数的形状。这表明，震颤眼球运动的副产品的时钟样发射的运动神经元。
Eye position during fixation has been measured without contact and the power spectrum of drift and tremor eye movement has been estimated. In the 0-40 Hz frequency range power declines with frequency roughly as l/f2. In the 40-100 Hz frequency range the dominant spectral component is a broad spectral peak with a peak amplitude of about 6 arc sex. The shape of the broad spectral peak is dependent on the fixation direction. A model that explains qualitatively the shape of the power spectra function is presented. It is suggested that tremor eye movements are by-products of the clock-like firing of motor neurons.