Area centralis position relative to the optic disc projection in kittens as a function of age.
Area centralis position relative to the optic disc projection in kittens as a function of age.
复制标题
小猫中相对于视盘投影的中心区域位置作为年龄的函数。
DOI：
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发表时间：
1988
影响因子：
4.4
通讯作者：
E. Gary
中科院分区：
文献类型：
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作者：
C. Milleret;P. Buisseret;E. Gary
研究了小猫视盘投影发育过程中相对于视野中心区域位置的变化。这些确定基于这些视网膜标志投影的直接测量和生理位置。结果显示，这些视网膜标志在视觉空间中的相对距离随着年龄的增长而变短，表明视野坐标随着年龄的增长而发生广泛的变化。由于大多数幼猫都看不到中央区域，因此我们确定的视野中标志的平均距离可能提供一种有用的方法，根据视神经盘的投影位置估计中央区域的位置。我们的结果还证实了解剖学观察表明的视网膜生长不均匀。考虑到眼睛的生长和视野坐标的变化，可以对发育过程中已知的视觉细胞的生理特性的变化进行一些重新解释，例如视觉感受野尺寸的减小、空间分辨率的增加以及对高速视觉刺激的反应性的增加。
Changes during development of the optic disc projection relative to the area centralis position in the visual field were studied in the kitten. The determinations were based both on direct measurement and physiological location of these retinal landmark projections. The results showed that the relative distance between these retinal landmarks in visual space became shorter with age, indicating that the visual field coordinates change extensively with age. Since the area centralis cannot be seen in most young kittens, the mean distances we have determined for the landmarks in the visual field may provide a useful means of estimating the position of area centralis from the projected position of the optic disc. Our results also confirm the nonuniform growth of the retina suggested already from anatomical observations. Taking into account both eye growth and the changes in the visual field coordinates allowed some reinterpretation of changes in physiological properties of the visual cells known to occur during development, such as decreased size of the visual receptive fields, increased spatial resolution and increased responsiveness to high velocity visual stimuli.