| 视觉图形诱发的瞳孔反应 |
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| 引用本文： | Sun FC,Chen LY,Zhao XZ. 视觉图形诱发的瞳孔反应[J]. 生理学报, 1998, 50(1): 67-74 |
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| 作者姓名： | Sun FC Chen LY Zhao XZ |
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| 作者单位： | 中国科学院上海生理研究所神经生物学开放实验室,上海,200031;中国科学院生物物理所视觉信息加工开放实验室 |
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| 摘 要： | 以图形变化刺激进行瞳孔反应研究,实验表明：（１）空间平均亮度守恒的光栅或棋盘格图形翻转能激发起瞳孔反应,为瞬态收缩波形,与ｐｕｐｉｌｌａｒｙ ｅｓｃａｐｅ相似;（２）光栅或棋盘格的空间频率的变化也能引起瞳孔反应,且反应幅度随空间频率差别增大而变大;（３）从均匀亮背景变化到棋盘格图形或者从棋盘格图形变化到黑暗背景,虽然不存在任何局部亮度增强,皆能引起瞳孔反应。实验结果明确证明了人的瞳孔反应系统除接收
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| 关 键 词： | 瞳孔反应 图形 图形刺激 生物控制 |
| 修稿时间： | 1997-01-13 |
Pupillary responses evoked by spatial patterns |
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| Sun F C,Chen L Y,Zhao X Z. Pupillary responses evoked by spatial patterns[J]. Acta Physiologica Sinica, 1998, 50(1): 67-74 |
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| Authors: | Sun F C Chen L Y Zhao X Z |
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| Affiliation: | Shanghai Institute of Physiology, Chinese Academy of Sciences, Shanghai 200031. |
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| Abstract: | Human pupillary responses evoked by visual spatial patterns were investigated.Experimental data revealed that:(1)pupillary constriction can be induced not only hy increment of luminance but also by change of gratings or checkerboards without change of space-averaged luminance;(2)constriction amplitude increases with increasing difference of spatial frequency;(3)pupillary response can be evoked by changing from uniform brightness to checkerboard patterns or from checkerboard to darkness,without any increment of the local luminance.These results indicate that the human pupillary response system is not merely controlled by luminous flux but also receives and processes visual pattern information.Supported by the National Natural fcience Foundation of China |
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| Keywords: | pupillary response pattern evoked pupillary response pattern stimulus biological control |
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